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      11-23-2012, 01:08 PM   #12
alexmtl_135i
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Drives: 2013 C63 Coupe P31
Join Date: Oct 2011
Location: Montreal, Canada

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Thanks guys, sorry I haven't visited the forum for a while. I did check my chargepipe and it looked ok, but I wasn't sure if there is a leak or something. I assumed this since it only happened in high RPM/high load. I will check the codes this weekend, I have been a little busy lately...

From the comments I understand that it's quite unlikely to be the chargepipe, so that's a good thing .
It's interesting to know about the spark plugs, but I only have 26000km, so is it still possible?

I hope it's not the HPFP.. I have ruff cold starts, I need to let the car idle for like 5-10s when it's been parked outside in the cold, otherwise it would stall.

I think I may take out the JB4 for the winter, no need for that extra power on the snow, so at least I can compare with/without.