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E46 M3 (2001-2006)

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Old 03-28-2015, 06:49 AM
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Location: 20165
Join Date: Mar 2015
Posts: 1
Mein Auto: M3
2002 M3 Convertable top wont open

When i turn key a light flashes about 8 times next to top open button.
After flash turns off then no light will illuminate if I touch button.
Went to trunk to check that the compartment where the top lives when opened was down and locked. It appeared to be. Then I pushed on it and it retracted without me pulling the release arm. So my though is that the compartment is not in a lock position therefore the top wont open.

What should I do?


Last edited by JOHNTATT; 03-28-2015 at 06:51 AM.
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Old 03-29-2015, 07:40 AM
X3-terrestrial's Avatar
X3-terrestrial X3-terrestrial is offline
Location: N.Miss - Memphis,TN Area
Join Date: Aug 2008
Posts: 2,653
Mein Auto: '05 X3, '95 M3, '89 MkI
Unfortunately, diagnosing a convertible top on these cars can't be done without the proper equipment. There are too many components/sensors/switches, that work in tandem. Depending on the are where you live, a good independent BMW specialized shop would be able to diagnose it for you, if not the dealer; the light sequence you are seeing means that a code has been triggered in the Module, it has to be read to see where the issue is.

See attached so you have an idea on how your top works.
Attached Files
File Type: pdf e46 convertible top.pdf (750.2 KB, 7 views)
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Last edited by X3-terrestrial; 03-29-2015 at 07:55 AM.
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