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      05-13-2012, 12:58 PM   #87
longhorn335
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Drives: 08 335i Coupe
Join Date: Jul 2010
Location: Houston

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bolting prolem

I'm in the middle of replacing the water pump on my E92 335, and I am having trouble getting the top aluminum bolt of the WP all the way in. The other 2 bolts went in just fine. It might be that the pump I got from Faulkner bmw does not have rubber grommets (this is the new Continental branded pump), so the hole thru which the bolts go is less deep.

What I did is, I took one of the used bolts, saw off the little unthreaded section at the bottom of the bolt (by hand, to avoid generating heat), and it went in just fine, torqued to aprox 80 in lb.

Does anybody see a problem with leaving the bolt in as it is?

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Update: i did leave the bolt I cut in, and assembled everything.. Cooling system works well now.. Im a little nervous about that bolt and also due to the fact i used the used bolt and not the new.. The reason i used the old one is i think i overtorqued the new bolt when trying to fit it in before realizing it was too long to go in

Do i have reason to be nervous? The other 2 bolts (lower bolts) are new and torqued to spec
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2008 335i E92 | Sparkling Graphite | M-tech | M3 Lip Spoiler | Sport Package | Logic7 | VMR 19" V701 Gunmetal | 30% Tinted Windows | Cobb Tuning | P3 Boost Gauge

Last edited by longhorn335; 05-13-2012 at 09:17 PM.