BMW with optical fiber MOST technology

BMW with optical fiber MOST technology

GROM-MST3: BMW 3-series with optical fiber stereo Installation Video (YouTube)
Step-by-step installation video for BMW 3-series

GROM-MST3: USB, Bluetooth in BMW 3-series Usage Video (YouTube)
Usage video for basic operations on MST4 unit for BMW 3-series

GROM-MST3 and MST4: installation into the trunk at the CD changer location
It is possible to connect GROM-MST4 for BMW into teh CD changer connector located in the trunk. Stereo should be CD changer ready, with the CD changer function enabled. Please check this quick guide (.pdf) for more infomation.

GROM-MST4-BMWO4: usage manual of GROM kit in BMW fiber-optic with iDrive
Usage manual for GROM-MST4 unit in BMW with M.O.S.T. fiber optic stereo and iDrive.