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Let’s fix an issue that is becoming more and more common on N54-powered BMW’s, an ovaled-out injector bore. If you have a BMW 335i or 135i and are dealing with misfires or poor performance, you could have a loose or worn-out injector bore. In this video, I’ll show you why this happens and how to fix it without replacing the whole head.
Parts needed:
– PPI injector bore repair kit: https://ppifpr.com/ppi-BMW-injector-bore-repair-kit/
– N54 injector seals: https://bit.ly/3HHMU66
– High temp thread sealant: https://amzn.to/3LXeQ8P
– Grease for drill bit: https://amzn.to/3HGeMaU
Tools needed:
– Injector installation/removal tool: https://amzn.to/44pKLpH
– T-handle tap wrench: https://amzn.to/3NGEQqi
– Magnetic spark plug socket: https://amzn.to/3p0XY7W
– Cordless drill: https://amzn.to/3AWcCQx
– Starter tool kit: https://amzn.to/3HGKBjJ
While you’re in there:
– NGK spark plugs: https://bit.ly/42cBFLu
– Bosch ignition coils: https://bit.ly/3LDk2wW
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I wouldn't let mine get that far. But this is an excellent how to video.
Great video. You should get a scope camera. My friend has a 335XI 2008, 150k miles… do you think he needs this?
Definitely a bit of an intimidating task, but you definitely instilled some confidence! Keep up the killer content!
Will this make my 328i faster?
Love the bmw content. Hope I never need this info but good to know
i dont even own a n54 why am i watching so many n54 realiability vids&fixes hahah.. interesting though. might buy one at some point.
previous owner crying watching this vid