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      05-01-2023, 10:56 AM   #14
Z K
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Drives: E90 M3, G20 M340i
Join Date: Jul 2011
Location: San Francisco

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Leave it stock and the engine is bulletproof. There are many examples of stock engines running forever while abused on track. Why mess with a good thing?

If going fast on track is what you want, you'll get much better lap times with other modifications than adding more power.
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