I have read the specs on this cam. As I recall, it comes to life in the upper RPM range (15-20 HP increase) Starts to pull about 4500 RPM on out to the redline. Improving the breathing helps with this type of a stick, and I don't mean just an air filter i.e. K&N. You need to set something up to give the throttle body a straight shot of fresh air. Can be done. HA (anything can be done with enough $$$) This stick will not do diddly for your bottom end, in fact, it might make it worse. Kinda have to rob Peter to pay Paul.
BTW Adam, the M103 was never designed to be a torque monster. You need stroke and cubic inches for that. This is a mid to top end motor and that's what it does best. Get someone to cut you a set of 4.11's for the rear end or stuff a big block chevy in there and be sure to buy a good supply of flex couplings, cuz' you'll need them.
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Jeff L
1987 300e
1989 300e
1987 BMW 325

[This message has been edited by jeffsr (edited 04-22-2000).]

[This message has been edited by jeffsr (edited 04-22-2000).]