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
Front: APBMW X4E coaxials
Rear: APBMW X4E coaxials
Subs: 2 × APBMW S8-4 underseat woofers
Plug-and-play BMW harnesses
Entry-level sound deadening (3-layer upgrade available)
Supplied & fitted with 5-year warranty
 
Speaker Specs – APBMW X4E
100mm coaxials, 40W RMS / 80W Peak, 91 dB sensitivity, 4Ω
 
Subwoofer Specs – APBMW S8-4
200mm shallow-mount woofers
120W RMS / 240W Peak
35Hz – 400Hz response
88.5 dB sensitivity, 4Ω