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      06-10-2019, 04:53 PM   #33
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Drives: 2012 M3 CP
Join Date: Dec 2017
Location: Ft. Lauderdale, FL

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Quote:
Originally Posted by SYT_Shadow View Post
Multiple ways to blow your engine due to incorrect install:

The car uses fractured rods. Installing them incorrectly is much easier than you'd think and guarantees a failure. A track buddy was talking about rebuilding his Pcar engine and did this, the engine blew 5k later.

Not properly seating the new rod bearing. There is a little groove, if not seated well kaboom

If you used stock bolts it is also possible the install seemed too much of a PITA and the shop ignored the correct procedure



All this, of course, assumes this is actually a rod bearing failure. It could be a mains failure that then took out the rod.



As always, one should be very careful when selecting who will install their bearings. I'd extend this to general work. I totally understand people driving hundreds of miles to see deansbimmer for example

Thought it was hard to install fractured rods the hard way lol. When I changed my bearings with my mech it was pretty obvious how a cracked rod goes back together. Guess there's no shortage of stupid out there.

I got my money on mains failure that took the rod bearings out as collateral.
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