Car Audio
BMW Front & Rear Coaxial + Underseat Subwoofer Upgrade
£1,075.00
Supplied & fitted · final vehicle compatibility confirmed in your quote
Equipment and fitting requirements depend on your vehicle. We’ll confirm the complete quote before booking.
Enquire about this upgrade ↗Reference: BMWKIT5
The details
Supplied and fitted at our workshop in Newton Abbot, Devon
Product Description
Upgrade your BMW cabin fully with APBMW X4E coaxials front and rear for consistent tonal balance, and APBMW S8-4 underseat woofers for added impact. Ideal for drivers who carry passengers and want everyone to enjoy better sound.
Note: Underseat woofers are limited on head-unit power but will produce stronger, deeper bass when paired with an amplifier.
What’s Included
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Front: APBMW X4E coaxials
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Rear: APBMW X4E coaxials
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Subs: 2 × APBMW S8-4 underseat woofers
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Plug-and-play BMW harnesses
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Entry-level sound deadening (3-layer upgrade available)
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Supplied & fitted with 5-year warranty
Speaker Specs – APBMW X4E
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100mm coaxials, 40W RMS / 80W Peak, 91 dB sensitivity, 4Ω
Subwoofer Specs – APBMW S8-4
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200mm shallow-mount woofers
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120W RMS / 240W Peak
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35Hz – 400Hz response
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88.5 dB sensitivity, 4Ω
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LET’S TALK ABOUT YOUR VEHICLE
Make it yours.
We’ll check compatibility and confirm the complete fitting quote.