Electrical issue - BMW Luxury Touring Community
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post #1 of 5 Old May 26th, 2019, 10:13 pm Thread Starter
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Electrical issue

My headlight and dash lights dim and flicker when I am aabout 3000 rpm and my turn signals don’t work. Could it be the voltage regulator and if so, is it hard to replace? Thanks
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post #2 of 5 Old May 27th, 2019, 6:48 am
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Re: Electrical issue

Read this. It may be your issue:


Mike Trevelino
Williamsburg, VA
2008 RT
2000 LT - Totaled at 99,960 miles

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post #3 of 5 Old May 27th, 2019, 7:41 pm
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Re: Electrical issue

That is the most common thing to cause that issue since it is a flaky ground at the starter which in turn is a flaky ground for the load shed relay that kills those lights during cranking. That 5 mm Allen head (circled in red) is a bit hard to get to but worth the effort to fix.
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post #4 of 5 Old May 27th, 2019, 10:54 pm Thread Starter
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Thank you so much! It makes sense. Will check it out and let you know how it goes
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post #5 of 5 Old May 30th, 2019, 11:46 pm
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Re: Electrical issue

Yes, absolutely agree with the diagnosis. Had the same problem on my own right after I bought it.

That bolt is a PITA to get at. I cut a hex key off very short to be able to get to it without tearing everything apart. I guess I got it tight enough since the problem hasn't come back in 4.5 years.

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