Stock M3 cams fit in all the ITR BMW's and easily add 15-20hp at the wheel and are visually indistingushable from stock. Bolt on an OBDI manifold and you get another easy 15-20hp, that's how a car that stock makes 160hp at the wheel gets to 205-215hp at the wheel. That's also why BMW club gave up trying to police cams, who brings a spintron and the proper equiptment to pull cams to the track? If you break my cams pulling them without the proper tools in impound are you going to buy me new ones? I have yet to see our grid people pull a valve cover, they're overworked just taking weights.Originally Posted by StephenB
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