The Infamous Cylinder 6 Misfire is GONE! | BMW E90 N54 DIY

In this video I show you how I fixed my cylinder 6 misfire that I've been tackling for some time now.

I'm working on my 2008 BMW E90 335i with the N54 engine.

If you search up high RPM cylinder 6 misfire for this car you see a ton of threads discussing this issue. It appears to impact a number of cars, on the manual cars the dual mass flywheel can be the culprit as it creates noise that the knock sensors pickup.

In my case it was the injector's ability to seal. I think cylinder 6 goes first due to the excess heat it experiences and the fact that it is the last injector on the rail.

The method I show here could actually help some of you guys that have improperly installed your injectors in the past and have an injector bore that has ovalized or blown out.

If you want to purchase the decoupling element and Teflon seal you can get them here (affiliate):

https://bit.ly/2m2Djji

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Thanks for watching!

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