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BMW Original Parts
Aug 10, 2023
Whether you’re an audiophile or not, there always comes a time you want your music to raise the roof in your car. Sadly, BMW’s standard speakers and amplifiers often don’t tick all the boxes in terms of high-quality audio.
That’s where we step in with our sound system upgrades for BMWs and MINIs.
BimmerTech’s Alpha One Speaker and Amplifier upgrades give you that deep bass, precise treble and well-balanced sound with low distortion you always wanted. Plus! No interference with the interior of your car. Both the speakers and the amplifier fit like factory ones to ideally match the rest of your BMW’s components to make you feel like the sound is the only thing that's changing significantly. What’s more, the installation is a fully reversible and simple plug & play process that should take no more than 4 hours. Doing OK with IKEA projects? You’ll do just fine with this one.
Let us show you how to install our BMW audio upgrades step-by-step in your 3 Series F30 Sedan. This installation you’re about to see is also similar in 3 Series E90, 5 Series F10, 2 Series F22 or X5 F15.
There are 3 standard BMW audio options your F30 can feature. That is:
Before you lay your hands on any BMW sound system upgrade, it’ll be crucial for you to check which system your vehicle is equipped with. Enter your VIN on this website and you’ll be shown a kit you’re compatible with, as well as your current audio package.
What’s the difference between these 3 standard BMW sound systems? Get to know more specs in our blog post.
The amount of BMW speakers will differ depending on the audio system you’ve got in your car.
|Amplifier||Alpha One Midrange speakers||
Alpha One Tweeters
Alpha One Underseat woofers
Upgrades for Base system (Stereo)
|Alpha One Amplifier + amplifier bracket + full wiring kit||4||2||2|
Stock version consists of 10 speakers and a 6-channel amp
Alpha One Amplifier
Harman Kardon system
Stock version consists of 16 speakers and a 8-channel amp
|Alpha One Amplifier||7||7||2|
The typical location of speakers in a BMW 3 Series (E9x/F3x/G2x) - your speakers may differ.
The BMW speaker dimensions are exactly the same in every BMW stereo system. For each speaker, there's a set size of cavity in the internal bodywork, and all mounting points are placed alike – all to allow for a flexible swap between speakers from various factory stereo options.
BimmerTech’s BMW speakers are also designed with these specifications in mind, to match the existing cavity and mounting points. Here’s a list of each speaker's dimensions:
This Alpha One Speakers install overview will inform you how to replace your current BMW Hi-Fi Speaker System or Harman Kardon speakers. It’s all about disconnecting and removing your factory speakers, and putting in the new ones, so don’t be alarmed by the lengthy guide. Everything’s plug & play, 100% reversible and fits in like your factory speakers.
If you’re interested in getting a vehicle specific guide, after the purchase you’ll receive a PDF with step-by-step installation instructions made specifically for your car.
Now, let’s get to the install.
First and foremost, here are your kit components and tools you might want to use during the install:
Alpha One Premium Speaker Kit
Recommended and useful tools
NOTE: At the start of any work on your BMW sound system, remember to disconnect the negative battery terminal to avoid the risk of damaging any electrical components on your vehicle.
Beginning with the replacement of the speakers in the front of your F30, you’re gonna have to replace them in the front doors, in the dash and under your passenger and driver seats.
In your BMW F30’s front doors, you’ll use 2x A45 Midrange speakers and 2x A10 Tweeters. This procedure applies to both doors.
MIDRANGE SPEAKERS REPLACEMENT
PUTTING THE DOOR PANEL BACK ON
In your BMW F30’s dash, you’ll use an A40 Midrange speaker and an A10 Tweeter.
The current BMW woofers placed under your driver and passenger seats will be replaced by A90 Under Seat Woofers.
Coming to the replacement of BMW speakers in the back of your F30, you’ll be replacing them in the rear doors and in the rear deck.
The process of replacing rear door speakers is very similar to the front BMW speakers replacement.
You’ll want to change your factory speakers for BimmerTech’s A45 Midrange speakers and A10 Tweeters, and follow the instructions from “Front door speakers replacement in F30” above.
The last set of speakers you’re going to install is the rear speakers package – 2 x A45 Midrange speakers and 2 x A10 Tweeters. They’ll be set in your BMW F30’s rear deck.
Ok, so you’ve replaced your BMW speakers and now you're hoping for a spectacular change in your BMW sound? Not so fast ;) The ideal BMW sound system upgrade is not only about mounting plenty of midranges and woofers – it’s about adding a suitable amplifier letting you tweak all kinds of advanced settings, to give you the deep, crisp sound you’re hoping for.
BimmerTech’s Alpha One Amplifier will allow you to adjust the crossover, delay and EQ settings, as well as provide you with custom tuning files for the built-in 64-bit DSP. Thanks to the pre-loaded DSP files the music will be tailored to your car chassis and your specific taste. And for those of you who have ASD, we suggest adding our ASD deactivation harness. ASD (Active Sound Design) is responsible for the artificial engine sounds, which are amplified when you change your amp for a better version. This may cause some audio issues, or simply be annoying to listeners, hence the suggestion to add our ASD bypass.
Now, let’s see where to begin with an install.
Before you start rummaging in your car’s sound system, remember to disconnect the negative battery terminal to avoid the risk of damaging any electrical components. Then, tie a rug under your trunk latch to prevent the trunk from closing. If you’ve already done that, first you’ll want to remove your factory amplifier.
And that’s it! You’re all good to go.
Taking the BMW sound system in your F30 to another level is more than simply replacing its stock speakers. The clue lies in upgrading your ride with a customized set of BMW speakers and a customizable BMW amplifier letting you apply a number of advanced changes that fit your specific taste. If you’d like to know more about choosing audio upgrades to fit your particular needs, check out this article and see which one you should try out first. Remember, when buying or installing speakers you have full access to our support team. If you come across a problem at any stage of the installation, we will help you solve it, so do not hesitate to contact us. Prefer a professional to handle the installation for you? Use our network of installers.
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