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      02-27-2018, 02:39 AM   #54
SeanWRT
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Drives: E90 M3 & F87 M2
Join Date: Sep 2015
Location: Shanghai

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Quote:
Originally Posted by PiK View Post
Check the fuse box in the trunk. The fuse for the valve controller is a blue one on the right, 15A. In my case the fins (which are connected by the fuse) were loose. I had to tighten them with a screwdriver. On a bumpy road the loosey fuse could disconnect the circuit, and then bluetooth module in the trunk is not working.

[IMG]http://i63.tinypic.com/2f07itx.jpg[/IMG]
This seems to be the culprit. Thanks for the finding.

I had auto closing problem (not as much as others reported though) when I first bought it in early 2017, so I unplugged the control module to keep it open the whole time. TBH I do not think it's too loud daily to daily at all because I have quiet car to drive when quite is needed.

Today I opened M2 trunk just out of curiosity and found the blue fuse was indeed loose. I tightened it then plugged the module back in. It works properly, never closes on me again. Nice!
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