2003 BMW M3 antenna location diagram

Tiny
MHASLAM
  • MEMBER
  • 2003 BMW M3
Electrical problem
2003 BMW M3 6 cyl Two Wheel Drive Manual

I'd like to install my xm radio from other car into the M and need to figure out which lines in rear window are the FM antenna. (Has defroster.)
Does anyone have, or know where to get a diagram without having to buy a service manual?
not easlily searched online.
Sunday, September 27th, 2009 AT 9:13 AM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
The antenna amp is in the "C" pillar, left side. Diversity antennas do not lend themselves to sharing without a possibility of causing interference in other frequencies or bands, does the manufacturer have their own antenna or do they compel you to tag on to what is in the car? If so try that first, or split the signal from the output from the cars' antenna amplifier and good luck. Ã â Â
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Sunday, October 4th, 2009 AT 11:54 AM

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