Do THIS to Your BMW to AVOID a $7,000 Repair! 

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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: ppifpr.com/ppi...
N54 injector seals: bit.ly/3HHMU66
High temp thread sealant: amzn.to/3LXeQ8P
Grease for drill bit: amzn.to/3HGeMaU
Tools needed:
Injector installation/removal tool: amzn.to/44pKLpH
T-handle tap wrench: amzn.to/3NGEQqi
Magnetic spark plug socket: amzn.to/3p0XY7W
Cordless drill: amzn.to/3AWcCQx
Starter tool kit: amzn.to/3HGKBjJ
While you're in there:
NGK spark plugs: bit.ly/42cBFLu
Bosch ignition coils: bit.ly/3LDk2wW
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