They handle the sound well. We took your factory BMW speakers and re-engineered our upgrade forone thing: clarity. Original Poster. And they're all bundled into easy-to-add packages, You'll see a filtered lists of speakers that satisfy the depth, diameter, and height requirements of your vehicle's factory speaker openings. Why spend $2K on an audio system in a vehicle where the wind noise will drown out any of the fine audio details you might get with your high end system? When you buy your new car stereo from us, you can save up to $50
03-05 BMW Z4 E85 Roadster Stereo System CD Player Radio Head Unit 6929840 OEM. Hello Everyone, this is my first post, so hopefully if it is in the wrong place, someone will let me know. I was disappointed about this myself. Why? Provide to get notified when a staff member responds to your question. Rolls . The HiFi amplifier is controlled via the radio. Z4. Any thoughts on this dilemma? This has been a fantastic experience. When we develop each Stage One, we first perform an analysis of the factory audio system in which the kit is being installed, and optimize it to help overcome the issues of the factory audio system, whether that's lack of midrange detail, harsh tweeters, poor imaging, or anything else. What we do is very different. Very true. Muffled, muddy, sloppy, and harsh reproduction of your favorite tunes. Yes, the Stage One really does work and make a dramatic difference in overall sound quality, clarity, and performance, regardless of the type of audio system your BMW was equipped with from the factory (even your premium system). See what's the best audio replacement kit for your vehicle. The cheapest way to get high quality bluetooth music in your Z4 E85. add our Alpha One Tweeters, to truly improve your sound. We'll also make sure you have the installation parts and instructions that make the job easier. Every Stage One comes with extremely detailed installation instructions with photos, or a step-by-step video install guide, or both, so youll know exactly what to do. It seems like something I'm probably not interested in. Reply Reply Author. BMW Business CD on my car suddenly lost quality. Here's how: Free vehicle-specific instructions The Fora platform includes forum software by XenForo. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Amplified system 1 520w. This head unit will do everything except make me lunch. 2009 - 2016 BMW Z4 Rear Speakers Kenwood KFC-1666S Sport Series 6-1/2" 2-way car speakers In stock 1,316 reviews $49.99 Shop all rear speakers You'll save money when you install it yourself Whatever your level of experience, we can help with your installation and save you even more money. E85 Z4 Stereo Replacement / Upgrade Question. bimmerfest.com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. Translation? by JINGLE Tue Jun 12, 2018 10:02 pm, Post Search: Search. I believe all the speakers and the amp are original but don't know for sure. contact us. When you buy a set of speakers from us, we'll make sure you get the wiring harnesses and mounting brackets you need for your vehicle. Really. The caller can hear me but I cant hear them. Rather than building your speakers for a specific price point, weve built them to sound great in your exact car and audio system configuration. It has all the features I needed and sounds great. Trust me, BMWs respond to suspension upgrades. Then you can install our Stage One Speaker Upgrade. Technical help when you already have the part: [emailprotected]. How does this work? Love Crutchfield! To the best of my knowledge the speaker system will probably work without a . I replaced mine with an alpine 147 BT thru Crutchfield. Works great with iPhone. BMW Z4 speaker upgrade has been the best modifications I've done to the car so far!My BMW Z4 (E89) came with the HiFi system (S676A), with included the following speakers:5 x Midranges2 x Tweeters2 x Woofersbut you can also find the following sound systems on the E89 platform:Base System:4 x Midranges2 x TweetersTop HiFi (S677A):5 x Midranges3 x Tweeters2 x Woofers1 x DSP ProcessorChapters:00:00 Intro00:59 Closer Look at AlphaOne Kit04:05 The Before Sound System Test05:28 Replacing Dashboard Midrange Speaker07:12 Replacing Rear Panel Midrange Speakers08:25 Replacing Door Panel Midrange Speakers and Tweeters15:43 Replacing Rear Subwoofers20:52 Removing Woofers from Bass Box23:23 Re-assembly27:33 Final Listening Test______If you'd like to support what I do, please consider supporting the channel for just $1 a month: https://www.patreon.com/SimpleCarGuyhttps://www.instagram.com/simplecarguy/https://simplecarguy.com------------------------------Links are affiliated where possible.This means if you click on the link and purchase the product, I will earn a commission. Park with ease and drive safer with a back-up . Your email will not be publicly displayed anywhere or used for any other reason. Build your kitin 5 easy steps. What do you think? Handsfree SOT Cables. I am not an audio buff so these fancy words also dont mean much to me. When you select your vehicle on our site, you'll be able
Filtered lists of stereos that we know fit in your dash, The installation parts required to install the stereo gear you're interested in, plus the parts that let you retain certain advanced factory features. *NOTE: Excludes 1996-1999 BMW 3 Series / M3 Convertible. Im still not sure. *Some exceptions do apply, though this is rare. My place for electronics, great customer service, product expertise & lifetime technical support. Ever put together IKEA furniture? Content on bimmerfest.com is generated by its users. After listening to this car we realised why the customer wanted to upgrade the sound system. I guess what I meant about "audio buff" was that Im not a crazy man that knows all the technical terms and how to do major installs. For a better experience, please enable JavaScript in your browser before proceeding. They're always very helpful! But if you're not a do-it-yourselfer, just leave it to the pros and have one of ourAuthorized Bavsound Dealersinstall your Stage One for you. Bringing the BMW community together. 2006 BMW Z4 Business radio. These detailed, illustrated instructions are created using our own meticulous research and
Installation gear available
It should not affect the radio or amplifier. Black Z4 3.0Si Coup E86 Auto with 19" 3SDM 0.01 silver polished wheels. We develop, manufacture and distribute car audio fitting solutions in order to fit aftermarket and OEM equipment. But first, if you don't know which BMW sound system you have, decode your VIN and we'll send you the full vehicle specification list. Thanks to our superior knowledge of everything BMW and an unparalleled level of attention to detail, the Alpha One speaker system came out of the shadows and onto the market. Love Crutchfield! 2003-2008 BMW E85 Z4 OEM AUDIO HIGH POWER LEAR STEREO AMPLIFIER 65126946727. Everything works as it should including the steering wheel controls. I've read too many posts about other members who had an electrical gremlin pop up after bringing their car into the shop for an audio upgrade. Install, audition, and fully experience your new audio gear. not supply these mounting parts, and must be purchased separately. In Car Technologies Ltd, is a car audio solution distribution company based in the UK, and was founded in 2001. We make no compromises with our product design or the materials used because we dont have to, so you get great sound without having to change any other components of your vehicle's audio system. & gt96 no 6x ngk iridium ix upgrade bougies JAGUAR XJS 4.0 tous les modles 91 5689, H4 8000k XENON HID Conversion Kit for SUBARU Impreza 92-00. Absolutely first class customer service with some real friendly and knowledgeable guys. In Car Technologies Ltd, is a car audio solution distribution company based in the UK, and was founded in 2001. prices vary depending on factory fitted system 2300 to 2500. The local shop wanted $600 for the install which included all parts, I thought it was reasonable but I like doing the work myself. kazste. My stock audio in the Z4 sounds terrific to my ears, and I spent 19 years in the professional audio business. It says nothing about the level of output or any other aspect of speaker performance. The bmwvin checker (and my original build sheet) says I have the following audio options on my early e85: S662 Radio BMW Business CD S672 CD changer for 6 CDs S677 HiFi System Professional DSP What options do I have to play bluetooth (or USB) audio from my Android phone as well as take handsfree calls? Instead of simply upgrading your current speakers, we decided to additionally What am I looking at for upgrading my audio? Your vehicle; Your account . I could swear it plays better. I wanted to share some tips and photos from my Audio Upgrade - I had the 6 speakers system which was dreadful. CAn you still use the steering wheel controls with this set up? E85 / E86 Z4 (2003-2008) 03 2.5i engine programmer or performance upgrades? Amplifiers and amp accessories for your Z4 like bypass harnesses, DSPs and line output converters needed to add an amp. Copyright 2023 InCarTec. BMW Z4 CD player, BMW Business car stereo, BMW E85 radio unit. See our Refund Policy for more information. Have one to sell? What about the premium audio system (Harman Kardon, Logic7, DIRAC, etc.)? Free shipping. If you can't find an installer that's convenient to you on that list, the great news is that because our products are incredibly easy to install, virtually any place that works on cars can perform the installation. Pas cher et lgant BMW Z4 E85 2.5SI 21/20" Aero Vu avant Rtro Balais d'essuie-glace plat fentre UPGRADE prix de gros Prix rduits, changes faciles senseicrm.com, 13.76 Les meilleures offres pour BMW Z4 E85 2 5SI 21/20" Aero Vu avant Rtro Balais d'essuie-glace plat fentre UPGRADE sont sur Comparez les prix et les spcificits . Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately. Since 1974.SM. Thats why no one else knows what we know. Try to check in at the 30 hour mark and see what happens. 2004 z4 30i auto Toledo blue stubby Areo front back sideskirts and rear spoiler M/// MFSW DLV exhaust mod mma tips vanos overhaul 108s refurbed ram air scoop E46 M3 heated seats clear rear lights M/// sport black grills, Excellent that ! products, like amplifiers and subwoofers, that can be installed in just about any
Does the Stage One Audio Upgrade come with a warranty? You could take the car to your local mechanic, the BMW dealer, or even any well-regarded local car audio shop -- its your choice. I have not opened one up to try to repair it. Z4 Roadster (E85) . custom-designed to fit in places that don't sacrifice trunk or cargo spaces. BimmerTech is not affiliated with BMW AG in any way, and is not authorized by BMW AG to act as an official distributor or representative. I was comtenplating a new amp and speakers but I didn't thimk it made much sense for a convertible so I thought I woild start with the head unit and see what happened. Well, many don't realize that the vast majority of sonic energy in recorded music is in the lower frequencies (i.e. Discussion. The larger diameter, mandrel bent tubing . Z8. 29. . You'll often see us note that a product "works with" your vehicle. No one will know you've upgraded your audio system except you. If working with the electrical system, disconnect the battery before beginning. Their installation couldnt be faulted and their customer service is genuinely excellent polite, highly knowledgeable and above all honest, with their customers best interests at heart. Our first big hit revolutionized the game of BMW audio upgrades with the world's first fully customized amplifier upgrade: the Alpha One Amplifier. If there was one thing that I would improve it would be to make the glue nozzle more narrow to help getting down to the spot where you need to add the glue. The power for all these speakers were from 2 Audison SRx amplifiers, an SRx4 4 channel amp for the speakers and an SR1D mono block amp for the 2 subs. Crutchfield has and always will be the number one source for all electronic needs, there is no one better. In many cases, youll actually get the package for free! Install car audio in your 2003 Z4 and make sure to get the parts and accessories that fit. LH electric Authentic New 3.5MM Female AUX Audio Adapter Cable for BMW E39 E53 X5 X5M Z4 E83 E85 E86 X3 Mini Cooper iPod iPhone MP3. See what Crutchfield has to offer
First I thougt the door speakers gone. I have a Sirius portable system plugged into the front Aux and take the Sirius head unit with me to my different vehicles. 4 YEAR WARRANTY.BECAUSE OUR PRODUCTS ARE BULLETPROOF. by heyitsmatty Wed Jun 13, 2018 11:21 am, Post Leave a comment below. I didmupgrade the tweeters and midrange with eakers from Bavsound, they arw direct BMW speaker replacements. The website is extremely user friendly, unbeatable product selection, customer support, and audio knowledge. We get this, well, a lot. When you're choosing new car audio gear, the first step is to choose the gear that fits your car. I agree totally with dcw above. 20x Pare-Choc Garde-boue actives spreizniete aveugle Rivets bmw z4 e85 e86 mini r60. If you ever have any issues, we're just a phone call away. I have a 2003 Z4 e85 with a BMW Business CD player/radio. I've heard that is difficult. They're available for most vehicles. Replaces every speaker in your BMW (except subs), and includes absolutely everything you need except basic tools (which you won't need if you have one of our authorized dealers complete the installation). Well, every audio system in every BMW is the makes compromises to reduce manufacturing costs, even the premium audio systems. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours. *, Everything about our speakers is 100% custom, and 100% matched to your exact BMW, right down to your specific audio system, body style, and amplifier -- which is why they just might be a better fit than the originals. You'd have to go with higher-end parts to make it a worthwhile upgrade over stock. My overall interaction with Crutchfield was easy and pleasant. I think the stock 10-speaker setup is perfectly fine for most people except "audio buffs." Bavsound has a speaker upgrade for 4 of the front speakers, but that's the only direct fit replacement I know of. YAMAHA XV250 XV 250 VIRAGO VITON VALVE SEALS. Yea, I know, you can't imagine how the car could handle any more superbly. I always choose to support you guys over a big box. Splice the module's wires to your new radio's wires, then plug the other end of the wiring harness into the connector you unplugged from the factory radio. Unless, of course, they hear it. You also have the option of swapping out used items, which will at times work with programming. Our vehicle may vary slightly from yours as models do change and evolve as they grow older. The digital Top HiFi amplifier corresponds to the previous DSP amplifier as already used in other BMW models. No, you don't. I don't have wiring diagrams to consult. BMW Z4 E85 Stereo Fascia Plate: https://amzn.to/2JGKdFo - 13.00 BMW Aerial Adapter Cable: https://amzn.to/2HCPg4i - 5.50 USB 3 Mounting Plate to USB 3 Male - https://amzn.to/2y5seUa - 6.00 BMW ISO Harness - https://bit.ly/2JuSXLj - 8.00 While our plug & play amplifier kept gaining momentum . So, if the Stage One isn't enough for you in terms of overall volume output, we recommend one of our Ghost Subwoofer Systems. The audio system is usually the first thing I upgrade when I get a new or used car. With many of these products, you'll have to check your vehicle for available space, and carefully plan your installation in advance. Right now I am doing all the wiring connections between the receiver, steering wheel controller, and the Metra wiring harness. Effortless Installation in about 30-60 Minutes GHOST UNDERSEAT SUBWOOFER UPGRADE The unit may be failing. Z4 3.0L 2005. SIMPLY REMOVE YOUR OLD SPEAKERS, AND PLUG IN THE NEW ONES. Yes and no. Please email us with your question. In this DIY video, I go over each step of installing and upgrading the dashboard speaker, the rear panel midrange speakers, the door speakers and tweeters and even the woofers behind the seats on my BMW Z4 (e89). Actually there is no sound at the door speakers. XMAS DEALS ALL PRODUCTS 10% OFF + FREE SHIPPING The result, sonically, is generally distortion or poor frequency response and transient response. 40 Euro cable that replaces the audio from your CD player and converts that to accept a . Audio Upgrade Second Stereo Pioneer X8700DAB, Sony Xplode 4 x 70W Amp, 6.5" Reckhorn Subs in rear cubby, Focal AS165-3 in fronts.
A forum community dedicated to BMW owners and enthusiasts. I've done plenty of research and I've been unsuccessful with what is compatible. Which upgrade is right for my MINI? I connected the speaker outputs to the factory wiring so I can use the factory amp. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. Compatible products include adapters (for Bluetooth or smartphone control, for example) that plug into your vehicle's stereo wiring harness and device holders that mount in a specific spot on the dash. We engineered the Stage One speakers toproduce higher quality sound: a wider range and more balanced reproduction of the bass and treble you're currently missing. We'll show you the speakers that are available for specific locations in your car. Just completed 10-speaker upgrade and found sound to be everything I had hoped for. Crutchfield: Legendary Service. Very professional job by Chris will definately use you again and recomend to my customers/friends keep up the top work. W. wildworth . $1789.10. $349.95. - Nick at Pelican Parts. It's that simple. Second, aftermarket speakers are designed to be used with an aftermarket amp, and have "standard" impedance profiles and efficiency. Hi Guys Just want to say big thanks for squeezing my car in yesterday to fit subs and amp to my Subaru. For example, the factory amp may be putting out (in a Harman/Kardon E46 configuration): These values are are all over place. If you're up for a BMW audio system and speakers upgrade, you're in the right place. Vehicle-specific installation instructions, Chevrolet Monte Carlo Stereos and Speakers. REVENANT PRO AMPLIFIER The World's First Plug & Play Amplifier Compatible with BMW Premium Audio Systems. I was a complete novice and you helped me figure out what would work best for me. Do we get hands-on with the gear we sell? Free shipping. Weve got your back.
I dont see that Id need a diagnostic for a CD player problem. installation snags, troubleshooting, or everyday use. The reason is simple: we're able to use better materials and speaker designs at the same price point because we don't sell through traditional retail channels with 4-5 middlemen. by Magicarcher Wed Jan 02, 2019 8:09 pm, Powered by phpBB Forum Software phpBB Limited, Style we_universal created by INVENTEA & v12mike. A great day at Crutchfield involves getting outside and testing new car audio gear, Ned's best friend helps him evaluate frequencies only dogs can hear. Every single product we sell comes with a 100 Day In Car Trial. We engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. (NOTE: 1996-1999 BMW 3 Series / M3 Convertible Excluded). Instead we buy from our factory and sell to you, and that means more speaker for your money. The Top-HiFi amplifier is also controlled via the radio. . we know fit or work with your vehicle. if you don't have factory fitted tweeters we can install the tweeters in the original factory mounts direct from BMW. If you have the DSP make sure it's tuned properly. Old components are carefully removed, allowing you to have them replaced should the car ever be sold. What an amazing upgrade. If you bring it to a shop, please use a high-end shop that has experience with BMWs. 1-888-292-2575. Active frequency gates achieve better acoustic results than passive frequency gates. BAVSOUND speakers are always correctly impedance and efficiency matched to work in perfect harmony with the rest of the factory audio system and ensuring the continued excellent performance of your factory amplifier and/or head unit. The special features on the Z4 are the two high voltage output stages (30 V) for the Carver woofers. Recycle parts, packaging and fluids when possible. In a 1993 Miata, I replaced the radio/cd with a nice Sony unit but I could only enjoy it while parked. All web chat conversations are recorded. All rights reserved. If you really want a serious improvement in bass response and overall sub-bass performance, youll need one of our Ghost Subwoofer Systems (http://bavsound.com/BMW-UnderseatSubwoofer-Upgrades/). The radio manages all audio signals. * Only you and your fellow listeners will know that you've upgraded your stereo since your car will maintain a 100% factory appearance within the vehicle. So if something breaks, send it back. For more information, Take wattage, for example: A typical onesize-fits-all speaker company provides this information either to sound as "powerful" as possible or in order to allow a customer to choose an aftermarket amp to match the RMS of these speakers. 7 days a week, for the life of everything you buy from us. Upgrading the amp for the interior speakers helps in this regard, but interior speakers just aren't optimized to produce bass, and ultimately won't get you there -- but a sub system will. Every time I use Crutchfield I am happy. GET UNBELIEVABLE, CRYSTAL CLEAR SOUND. The CD changer should be simply removed from the radio wiring, if you aren't planning on using it. They had no success at all and even tried bypassing the CD player all together. please Works great. That's because BMW, in most cases, uses non-standard impedances and very high efficiency speakers. We've been putting gear through its paces for decades. These include: Many car A/V products we describe as universal, in that there aren't dedicated factory locations for them. Well take it back and give you a full refund as long as its not damage, and you include all the original parts and packaging. Practically speaking, this means your BMWs audio system will indeed play more loudly! Antenna adapter: An antenna adapter connects the plug on your vehicle's antenna cable to the standard Motorola antenna input on your new radio. of my 2005 installed a Kenwood KDC-X997 head unit. Part #: AFE-49-36339-B. by srhutch Sun Jun 10, 2018 7:48 pm, Post What if I have standard audio system? $110.00. (volume up, down change track and use call button). While the Stage One provides lush, detailed highs, more defined lows, and significantly more midrange detail, your factory BMW audio system's output is limited by your amplifier, which isn't changed with the Stage One. Never work on your vehicle if you feel the task is beyond your ability. When I remove the panels, suprise there is no door speakers. Speaker Wiring Harness: Speaker wiring harnesses make connections between your new speakers and your vehicles factory speaker plugs. Because our speakers are so much higher quality than the factory components and because they are better designed, theyll play more loudly without distortion than factory speakers. Whatever your level of experience, we can help with your installation and save you even more money. M SUVs.
So I have done my fair share of research and just cant seem to come up with a good answer. The Audio System Controller is integrated in the radio / business CD control unit. Post Not really an questiona about Amsterdam is it?. We took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. Then you can install the Stage One. Sign up for exclusive deals & product announcements. Whether you're a first-time DIY-er or an experienced car audio pro, KitFinder takes the hassle and guesswork out of choosing and installing your new stereo and/or speakers. Choose the type of product to be installed into a BMW Z4 (E85/E86)*. While our plug & play amplifier kept gaining momentum, we were working hard to create direct drop in replacement upgrade speakers for late model BMWs, to create a complete BMW sound system upgrade. Alpha One was founded by a couple of guys passionate about modifying their BMWs in every possible way with a hefty focus on audio improvements. A forum community dedicated to BMW owners and enthusiasts. When installing aftermarket speakers with your factory amp, generally they won't present the correct impedance to the amplifier, leading to imbalanced output (some frequencies too loud, others too quiet), not to mention possible damage to your factory amplifier. The customer support team is personal and phenomenal. Also did you upgrade any of the speakers or are they all original? To see which speakers fit your vehicle, we've disassembled the door panels of tens of thousands of vehicles, measured the spaces where the factory speakers fit, and loaded our findings into Crutchfield's massive fit database. Please advise. Steering wheel adapted im assuming to let the sound up/down on the wheel to work? An afternoon and basic tools is all you'll need. JavaScript is disabled. We won't list a given location if there are no speakers that fit there. BMW and MINI are registered trademarks of Bayerische Motoren Werke AG. Full speaker upgrade. What has impressed me most is that never at any point are the people here pushy they really listen to your requirements and budget and make honest suggestions and give a number of options. You say you don't know much about audio, so I wonder why you need an upgrade unless you just mean you want some extra bass. That's why we developed the Crutchfield KitFinder. https://www.bimmer-tech.net/?spinner=xmas?utm_source=youtube\u0026utm_medium=yt_organic\u0026utm_campaign=yt_or_SimpleCarGuy_Z4_speakerHave you ever felt like your stock speakers are just not good enough or you wanted more quality and bass? BMW Z4 Full Speaker Upgrade DIY - BimmerTech Alpha One Speaker and Woofer Sound System 13K views 11 months ago How To Upgrade BimmerTech Premium Audio Amplifier & Install ASD Harness. We use automated technology to connect you with an Advisor and to answer some common questions. We also carry a wide range of products that actually are designed to work exclusively with specific vehicles. . I spent around $266 for the parts and installed thenunit myself. Everything we sell has been engineered for durability and longevity, and we know what we sell will last. ALL INCLUSIVEEVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND(EXCEPT TOOLS). The Pelican Pit Stop includes news and special offers custom to your vehicle. Well replace it at no charge. Finally, regarding frequency range data for each speaker, again, this doesn't tell us much as we are working with the factory amplifier crossover settings - but typically, all said and done, you'll be hearing as much of the spectrum as humanly possible given the limitations of the factory system's configuration: about 50Hz - 20,000Hz. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the resultis smooth, natural, yet unbelievablydetailed reproduction of your favorite music. That list can include locations that don't have factory speakers, but can be adapted using certain mounting adapters. Thanks, Matt Smedley of cmv detailing and wrapping. Which 10-speaker setup - with DSP or without? by the raven Wed Jan 02, 2019 4:42 pm, Post If you're planning to use them with your factory amplifier, odds are they won't sound very good. I want to have it replaced, but the dealership says I must do a $166 diagnostic first. Stage One BMW Speaker Upgrade for E85/E86 Z4 Roadster/Coupe, The Stage One is designed from the ground up to be easy to install. by bz4kev Wed Jun 13, 2018 12:05 pm, Post Car Audio - Single DIN size. Resurrecting an old thread here, but it appears that you have done exactly what I want to do! The radio works great but the CD player skips often, usually when I hit a very tiny bump like the lane reflectors btwn lanes, and sometimes wont eject cds for days. You can access the tabs from within the vent which will prevent damage of the trim that has occurred in your case. Here's the order we would recommend you upgrade based on which upgrade delivers the most overall improvement for the money. Your BMWs factory audio does not include tweeters and the corresponding mounting Your website is very efficient and easily navigable, selection is wide, and technical/chat support is outstanding. A yellow warning triangle indicates that the product will fit if you make a minor modification, such as trimming plastic in the dash or drilling new holes for speakers in your door panels. The headunit has bluetooth, usb front/rear. PLAY YOUR MUSIC LOUDER. 5,419 posts. At Crutchfield, we want to help you get the best sound possible in your ride and weve spent over four decades doing the research you need to get the stereo equipment thats right for your ride. 2003 BMW Z4 E85 Roadster Stereo Radio Audio Amplifier 6936087 OEM. Find the best sub for your 2003 Z4 and you'll add bass and fuller sound to your BMW. You can also install sound deadening wherever you can in the door panels, floor, etc. Smartphone Integration.