So about a month and a half ago (when is started warming up around here) my m50 started lightly pinging at times. At first it was hardly noticible but now it has become fairly pronounced.
It only does it once the car is warmed up and I mostly notice it on the highway when I try to accelerate.
Things I have tried:
New knock sensors. The original ones looked pretty shitty.
Cleaned maf (and icv while I was at it).
Smoke tested it and found a leak between the intake and the head around #6.
Installed all new intake gaskets and new intake air temperature sensor.
Still pings as much as ever. I always run premium fuel and I have had almost no problems with the motor for almost five years now. Lately I have noticed the GFs e34 m50 is doing the same shit to a lesser extent so I ordered the same parts for her car.
What gives?
It only does it once the car is warmed up and I mostly notice it on the highway when I try to accelerate.
Things I have tried:
New knock sensors. The original ones looked pretty shitty.
Cleaned maf (and icv while I was at it).
Smoke tested it and found a leak between the intake and the head around #6.
Installed all new intake gaskets and new intake air temperature sensor.
Still pings as much as ever. I always run premium fuel and I have had almost no problems with the motor for almost five years now. Lately I have noticed the GFs e34 m50 is doing the same shit to a lesser extent so I ordered the same parts for her car.
What gives?
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