BMW'S THE MYSTERY BONG – AND HOW TO FIX IT

BMW'S THE MYSTERY BONG – AND HOW TO FIX IT

You are driving along in your BMW E31, E32, E34 or E36 and all of a sudden the MID goes BONG!! but doesn’t tell you what the problem is. Even pressing the ‘CHECK’ button doesn’t tell you.

This video explains what causes the mystery bong and how to fix it. Along the way we are going to remove the boot (trunk) latch mechanism, the boot switch and replace the boot trim with its blind rivets

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@donmiller5386 says:

Hi Timm, this prompted me to ask about 4 mystery bongs that I get on my E63 2008 650i
They completely at random times with no fault message. This has been happening for about 3 years and no one has been able to explain it…. any thoughts? Regards Don.

@bobstacey9311 says:

My OCD kicked in when I saw the rust on the body work under the rubber seal, but then I heard you say that you had rust treated before fitting the new rear plastic trim, can go to bed a happy!

@P.Galore says:

Thank you Timm. My most recent issue on my '94 is the deterioration of the headlight and turn/dips wiring. The sheathing is just falling off. I replaced the headlight wiring at $250 per side, but there are no looms available for the bumper lighting.

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