BMW //M Discussion on the BMW M1, BMW M3, BMW M4, BMW M5, and the BMW M6

My convertible top won't work. 2000 M Roadster.

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Old Jul 28, 2011 | 06:14 PM
  #1  
alex37211's Avatar
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My convertible top won't work. 2000 M Roadster.

What i know:
1.) The pump and motor are good and will operate the top when powered directly.
2.)The button itself is not the issue, as I have tried one from an identical car which had a working top.

Theories:
1.) There are some micro-switches in the top somewhere which are malfunctioning
2.) The vehicle speed sensor (which I know to be faulty) has some control over the top and needs to be replaced.

Any help is much appreciated!
 
Old Jul 29, 2011 | 12:51 PM
  #2  
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vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !vividracing Is a GOD !
Most convertibles take input from the VSS. For example, the Honda S2000 will not allow you to operate the top over approx. 7 mph.

-Matt
 

Last edited by vividracing; Jul 29, 2011 at 02:51 PM.
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