BMW (with M.O.S.T. 25 amplifier) 2004-2013

• Provides accessory power

• Retains R.A.P. (retained accessory power)

• Designed for amplified models

• Retains audio controls on the steering wheel

• Retains phone buttons (radio dependent)

• Retains factory features: date, time, temperature display

• Micro B USB updatable