BM4 Kit1 and BM4 Kit 2

CDT Audiophile Grade BM-car specific direct fit easy upgrade component kits are suitable for BMW best selling models: 1 Series, 3 Series, 5 Series and so on.

The speaker and tweeter fit into the factory location and use the factory connectors, you will enjoy the strongly improved sound quality with the CDT Audio BMW sound system upgrade.

Highlights
1 pair of 25mm Silk dome tweeters with oval mount
1 pair of 4” mid-range speakers
1 pair of high-pass midrange crossover network
1 pair of high-pass inline tweeter crossover

Direct fit audio system for BMW without modification.
Using factory harness and connectors to allow plug & play.
Quick and easy installation.
4” mid-range designed in a cast aluminum construction for ultimate durability and ultimate performance.
4” -mid-woofer made from biological fiber cone for authentic and brilliant sound reproduction.
Tweeter integrated phase plug for better dispersion.
4” woofer w/butyl rubber edge.
Tweeter 25mm silk dome

Download BM4 Kit Manual >>

Vehicle compatibility list

BM4-Kit1:
1 series (2004-2011)-E81/E82/E87/E88(Front door)
3 series (2005-2011)-E90/E91(Front door/Rear door)
E92/E93(Front door),
5 series (2011-Current)-F10/F11(Front door/Rear door)
6 series(2011-Current)-F12/F13(Front door)
7 series(2008-Current)-F01(Front door/Rear door)
X1(2009-2012)-E84(Front door)

BM4-Kit2:
1 series(2011-Current)-F20/F21(Rear window shelf)
5 series(2010-Current)-F10(Rear window shelf)F11(Roof liner)
5 series(2010-Current)-E60/E61(Front door/Rear door)
6 series(2011-Current)-F13(Rear window shelf)
X1(2009-2012)-E84(Rear window shelf)
X3(2010-Current)-F25-(Dashboard)
X5(2006-Current)-E70(Front door/Rear door)
Z4(2009-Current)-E89(Front door)
Note: BM4-Kit2 can also be used in the Mini front doors
(Only fits for mid-range speaker)

BM4-Kit1

BM4-Kit2

Promo Price: $89.99

Reg. $400

Promo Price: $99.99

Reg. $386

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