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07-12-2012, 03:57 AM | #1 |
@rspinajr
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"Popping" noise from dash
I'm hoping someone can help with this. I'm trying to diagnose a "popping sound from inside the dash of my MC.
It seems as if it happens more when the car starts to warm up. When rough roads come, even more. I've heard this is a common problem with the entire Z4 range and that it could be my Strut Tower Braces coming loose. Is this the case? I've manually tried to duplicate the sound by shaking the hell out of both braces but I cannot do it. Its getting worse unbelievably annoying! THanks in advance! |
07-12-2012, 10:49 AM | #4 |
Dog Listener
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Very common, and likely the firewall brace fasteners coming loose (common), or even some breakage (uncommon).
See this thread for the two types of fasteners:
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07-12-2012, 01:14 PM | #6 |
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If you have the original fasteners (nuts, not the one-use bolts), you can use nord-locks so they don't come lose again. I had to tighten mine a few times before putting nord-locks on there, no problems since. See here for part numbers.
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07-19-2012, 03:43 PM | #8 |
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I had this problem when I bought my Z4M. I was *convinced* that it was something in the dash. I came across a thread like this on Bimmerfest, that mentioned the strut brace. I was skeptical because I couldn't budge the braces, but I did see some "rubbing" marks on the brackets that indicated to me that it was moving at some point. Remember that there is a lot of force on those things, so the fact that you can't move them manually isn't much of a test.
Long story short, I torqued up the nuts and *bingo*, problem solved. Remember to use the right torque (41Nm) (hope its ok to post to another forum) http://bimmerfest.com/forums/showthr...00#post2696800 I love that there is so much information on our cars online, but there are at least 3-4 forums that are active |
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07-24-2012, 05:53 PM | #9 | |
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07-25-2012, 10:25 AM | #11 | |
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