Quote:
Originally Posted by Jbonly21
OMG just found this thread, never knew injectors was a problem. Should I be worried. 2011 with 130k, just bought it 6 months ago, been taking care of mintenance slowly, today I replaced my bed sending unit and now the car won’t start, it cranked but won’t start. But I kept clearing the random misfiring codes and kept trying to start it. The few times it ran, it ran rough, smelled and smoked. I think I pretty much damaged my engine, trying to start it 😭. I will check the cylinders tomorrow.
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We only have speculation as to why yhese failures occur. The fuel filter is on the intake side of the fuel pump and fairly coarse. It’s labeled lifetime but filter medium breaking down and ending up causing a failed open condition is one possibility for these. Mine has 145k miles and I have replaced all injectors with new and added an nrw in line fuel filter. You could replace the fuel pump fuel filter unit but the in line kit at the engine is a cheaper and probably more effective option so wouldn’t go that route (although I did personally early on).
https://www.fcpeuro.com/products/bmw...-design-s65pff