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BMW Original Parts
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Search by VIN
Aug 10, 2023
You drive a 2012-2018 BMW F30 328i (or different engine). Fantastic choice. For whatever reason, you’ve decided to explore the different audio upgrade options to make your F30 even better.
With all the different sound system upgrades and technical specifications out there, we created a complete simple-to-understand guide to making your BMW’s audio system sound amazing. But if you're interested in other retrofits for your specific vehicle, check out our post on a full list of upgrades for BMW 3-Series F30.
Before we get into any details, it’s crucial to check what your F30 is already equipped with.
The easiest way is to locate your VIN (Vehicle Identification Number) and enter it here to find your audio option below.
N/A (none of the below): Base (Stereo)
S676A or S674A: Hi-Fi
S688A or S677A: Harman Kardon
Base is the lowest-level sound system for BMWs. In Canada and the US, this option is unavailable for F30s and is replaced by the Hi-Fi system as the basic audio setup.
None (The head unit is used instead of an amplifier)
4x Midrange (one in each door)
2x Underseat Subwoofer
Amplifier: Alpha One Amplifier + amplifier bracket + full wiring kit
Speakers: Alpha One Speakers (4x midrange, 2x tweeter, 2x underseat woofer)
The Hi-Fi option is a step above the base system; it introduces a 6 channel amplifier and a speaker upgrade. Two tweeters are added, as well as a midrange in the center channel (front deck).
BMW 6 channel Hi-Fi Amplifier
5x Midrange (one in each door, plus one in the center channel)
2x Tweeter (in each front door)
2x Hi-Fi Underseat Woofer
Amplifier: Alpha One Amplifier
Speakers: Alpha One Speakers (5x midrange, 2x tweeter, 2x underseat subwoofer)
The Harman Kardon setup is the top-tier sound system from BMW. It contains even more speakers, which are an improvement over Hi-Fi. The Amplifier has 10 channels and is connected to the head unit with a fiber optic cable.
BMW 10 channel fiber optic Harman Kardon Amplifier
7x Midrange (one in each door, plus one in the center channel and two in the rear shelf)
7x Tweeter (one in each door, plus one in the center channel and two in the rear shelf)
2x Harman Kardon Underseat Woofer
Amplifier: Unavailable
Speakers: Alpha One Speakers (7x midrange, 7x tweeter, 2x underseat woofer)
Read more here for a thorough explanation of all the BMW audio options.
After understanding what your F30’s sound system consists of, you’re ready to move on to the fun part — choosing your upgrade. However, here you may read more about BMW sound system upgrade anytime.
Ideally, it’s recommended to get both an amplifier & speaker upgrade to achieve maximum performance. This also ensures your stock BMW amplifier/speakers aren’t bottlenecking your new upgrade. Plus, you’ll be able to install everything in one session.
If you’re not ready for a full upgrade, however, here are the upsides of each.
Adds/replaces your F30 amplifier for greatly increased power (which translates to higher volume) and audio clarity, as well as complete sound customizability such as EQ and crossover settings thanks to its powerful DSP. Find out why DSP is so essential to great sound in your car.
Installation is simple and quick. With the Hi-Fi and Harman Kardon setups, BimmerTech’s Alpha One Amplifier takes only an hour to install. If you have the base system the whole process will be longer as you will be adding an amplifier rather than replacing the stock BMW one.
Replaces the stock BMW speakers to give you more clarity, power, and bass out of your speakers. Simply put - your music will sound awesome. If you have the base audio option, BimmerTech will also add two tweeters to your setup, in addition to replacing your other speakers.
Speaker installation time will vary depending on how many speakers you’re replacing and your DIY experience. Changing the underseat woofers will take 1-2 hours, while the whole setup can take up to 6-8. Although the speakers were designed with easy installation in mind, you can simply visit one of our installers to save you the trouble.
BimmerTech makes it simple to choose the right audio upgrade for your exact model.
All you need to do is visit our sound system upgrade page and enter your VIN or F30 model and sound setup. You’ll be matched with the right speakers and amplifier for your BMW. Done. However if you still need
And now simply select the audio upgrade you need:
Once your audio upgrade is on its way, you can figure out if you want to do the installation by yourself or leave it in the hands of a BimmerTech installer. If you’d like to do it yourself, we’ve created an installation video tutorial for your F30 for the Alpha One Speakers and Alpha One Amplifier. Every step is shown in detail to avoid any confusion.Otherwise, you can visit our dealer page and find your nearest installer for a quick and professional installation.
Congratulations, you’re done! You’ll love driving your F30 more than ever.
For more information about our audio upgrade, contact us or visit our audio upgrade page.
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