Psilonaught
Active Member
do all w212 e63 cars plink? Mine is quite loud, is it normal?
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Pre-ignition occurs before the spark event (hence the name) and is not affected or managed by fuel octane quality or by changing the spark timing. High localised combustion space temperatures and hot spots e.g. using the wrong grade of spark-plug or glowing carbon deposits are among things that can lead to pre-ignition.PRE-IGNITION can be caused by many factors---fuel octane rating and engine temperature being two culprits. poor remapping or defective knock sensors being two more.
Fairly confident this is not pinking. More likely to be the exhaust cooling.
Good old days ey? when things were simple!I had forgotten all about pinking, provoked memories of twisting the distributor on my old car until it ran smoothly to cure pinking.
Guess it could be the exhaust but it is coming from the front of the car
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