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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > My N54 is running great thread!



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      08-17-2019, 03:34 PM   #67
thurstonhowelltha3rd
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Originally Posted by bimmerguy1210 View Post
My 107k mile 6AT N54 is running great! I've done a slew of maintenance this year including plugs/coils, ofgh, alternator, leaky radiator hose, valve cover, Vanos solenoids, belt/pullies, control arm, walnut blast, and hpfp. I had a 2A15 DMTL code that went away after changing the hpfp a few weeks ago . Oil pan gasket and coolant/trans fluid change are next on the list..
I feel your pain. 2016 my ofhg leak caused my serpentine belt to slip off and got sucked into the crank. Belt bits inside the engine. Expensive fix.

But this is the engine running fine thread. 2019 has been good so far thanx to my boy jeff at SDGarage and Andrew at Supreme power.
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      08-17-2019, 03:45 PM   #68
bimmerguy1210
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Originally Posted by thurstonhowelltha3rd View Post
I feel your pain. 2016 my ofhg leak caused my serpentine belt to slip off and got sucked into the crank. Belt bits inside the engine. Expensive fix.

But this is the engine running fine thread. 2019 has been good so far thanx to my boy jeff at SDGarage and Andrew at Supreme power.
Yes, that's what I dread! I've heard too many horror stories.. I replaced the belt/pullies and ofgh immediately because there was squeaking on cold start and a slight leak from the ofgh. The belt was replaced at 90k but I wasn't taking any chances and went ahead and replaced it along with the pullies.
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      08-18-2019, 04:49 PM   #69
weq92f
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Running great again ( post alternator replacement this time ).

I've been driving my '07 e90 335i 6mt for almost 11 years. It now has 130k miles on it.

Usual suspects: injectors, coils, starter, turbos ( @40k miles under warranty ), plugs, OFH gaskets, water pump, thermostat, expansion tank, battery,... All DIY

Next will be radiator as I see it's leaking at the upper neck finally...

But it is a BMW, my 3rd. First two were 540s/6mt. They too were maintenance heavy!

-klb
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