
Unlock the true potential of your BMW's sound system with a premium Audison audio upgrade. At PL-Autotek, based in St Helens, Merseyside, we specialise in seamlessly integrating Audison's direct-fit speaker and amplifier kits into your BMW, delivering breathtaking audio quality without compromising your vehicle's interior or warranty. With hundreds of successful BMW sound system upgrades under our belt, you can trust our expertise.
Experience a world of high-quality, powerful sound enjoyment, professionally installed in-house by our own technicians. Call us on 07800 538658 or book online to discuss your BMW audio transformation.

The Audison APBMW K4E two-way kit is engineered to create a precise, three-dimensional sound stage, bringing essential timbre accuracy to your music. Featuring 100mm (4-inch) mid-range drivers with water-repellent pressed-paper cones for natural sound reproduction, and 25mm Tetolon dome tweeters optimised for off-axis output. This kit delivers crystal-clear highs and excellent mid-low reproduction, significantly amplifying the perception of reality within your BMW's cabin.

Designed for direct replacement of the OEM speakers located underneath the front seats, the 200mm (8-inch) Audison APBMW S8-2.2 subwoofers maximise the factory acoustic load to generate deep, crisp, and powerful low frequencies. The Neodymium magnet ensures superior power handling and control compared to ferrite, all while maintaining the original installation depth. Experience punchier, more defined bass that integrates seamlessly with your new Audison system.

We modify the factory enclosures to extend frequency response beyond their original design, resulting in a smoother, fuller sound.

We remove unwanted rattles and external noise by creating a stable, dampened platform for the sound waves to propagate correctly.

This is the most critical step. We use reference microphones and digital-time analysers to monitor the sound and ensure it matches the desired signal curve. We set pre-equalisation, precise crossover points, and time alignment measurements, followed by human adjustments based on over 30 years of professional audio experience.
While we offer various options tailored to your needs, our most recommended upgrade for the BMW Base System includes:
Audison AF C8.14 bit Amplifier
An 8-channel DSP amplifier providing clean power and full tuning control.
ReAmp3 Interface Kit
For seamless integration with your factory BMW head unit—no signal loss, no errors.
Audison S8-4 Under seat Woofers
8" high-performance woofers for deeper, punchier bass.
Audison Prima X4E Component System
Premium midrange drivers and tweeters for crystal-clear highs.
Sound Deadening & Professional Cabling
Ensuring a noise-free, high-fidelity listening environment.
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