Bimmertech Alpha One 9 Piece Audio Upgrade AOktXKT

Alpha One 9 Piece Audio Upgrade

Bimmertech Bimmertech
T#: 588831 | Part#: AOktXKT
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1375.00 $1375.00
Lifetime Replacement
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Availability:
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Est. Ship Date:
on Jul 10, 2026
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Bimmertech Alpha One 9 Piece Audio Upgrade AOktXKT
Alpha One 9 Piece Audio Upgrade
$1375.00

Please Note: VIN is required. Please call in to place order so we can record your VIN.

The Alpha One BMW Speaker Upgrade is a true Plug and Play upgrade that offers studio quality sound and takes just a few hours to complete. If you're interested in increasing the clarity, power, and bass over your standard Hi-Fi system, look no further. It replaces every speaker in your vehicle, from the midrange speakers, tweeters, down to the woofers under the seats. This system was specifically designed for BMW's acoustics and mounting locations, so the audio is perfectly balanced and tuned. This is a great DIY that only takes a couple hours, with the majority of the time being devoted to trim removal and replacement.

In the past, consumers were forced to use generic products and make due with what was available. The folks over at BimmerTech recognized this shortcoming, and developed a speaker system that was not only easy to install, but also acoustically sound. This is a proper speaker upgrade for your luxurious BMW.

Prop 65 WarningProp 65 Warning
Qty Description T# Part# Lifetime
2 Alpha One Woofer 20 T#588635 A90-20~BMT YES
5 Alpha One Midrange (Flush Mount) T#588636 A40~BMT YES
2 Alpha One Tweeter (Regular Mount) T#588638 A10R~BMT YES

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Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW F15 X5 sDrive35i N55 3.0L Use vehicle selector to confirm fitment
BMW F15 X5 xDrive35d N57 3.0L Use vehicle selector to confirm fitment
BMW F15 X5 xDrive35i N55 3.0L Use vehicle selector to confirm fitment
BMW F15 X5 xDrive50i N63 4.4L Use vehicle selector to confirm fitment
BMW F16 X6 sDrive35i N55 3.0L Use vehicle selector to confirm fitment
BMW F16 X6 xDrive35i N55 3.0L Use vehicle selector to confirm fitment
BMW F16 X6 xDrive50i N63 4.4L Use vehicle selector to confirm fitment
BMW F85 X5 M S63 4.4L Use vehicle selector to confirm fitment
BMW F86 X6 M S63 4.4L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.