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      11-11-2012, 12:46 AM   #8
Mike Benvo
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Drives: Harrop SC M3 / E46 M3 / 7Turbo
Join Date: Apr 2008
Location: SoCal

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2015 BMW M3  [0.00]
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2008 BMW M3  [3.50]
2004 BMW M3  [0.00]
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Originally Posted by Robert7x View Post
Figured out the alarm... Need help with the box... Can we just swap his for mine, or is it tied to a win?
Both the Combox and TCU are VIN coded.

I wouldn't suggest a swap without proper coding, it will leave telephone functions in both cars inoperable. After the swap and proper coding, the assist accounts will also be switched, so you should disable that or contact BMW to switch the ESN's.

Also, your car must have software new enough to support combox also (plus you will need the harness and a terminator for the mulf module if equipped).

Other than what I pointed out, the units will work in each car without issue.

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