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There are lots of microswitches that really one needs BMW software to talk to the TCM - Top Control Module. Here's a crazy one. I was having intermittent roof issues. Turns out my outside temperature sensor was having issues - the top uses the temp coming from the COMBI as the TCM won't operate the top at less than 12 celcius I believe. When I changed the sensor, problem went away. I noticed the temp in the speedometer cluster was sometimes way off.
Filippo
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2011 35i MT Atacama ... lots of bits. Full Öhlins TTX custom suspension. Build thread.
Build sheet. Currently finishing suspension, fuel, ignition system with Barry Battle @ 3DMMotorsport. |