Quote:
Originally Posted by PackPride85
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Aftermarket CPs were a hot topic a few years ago on the forums when I had my 435i. A few instances where they failed under stock and higher boosted conditions. So far, so good it seems with the M2. I'm running a supposed 5.5 lbs above stock for 6 months now, a small sample size I know. I've definitely considered upgrading but won't until I see at least one failed instance on here.