checked you cat lately?
Could have a partially blocked or plugged up catalytic converter...
Might be worth checking it out.
Jeff
90 535i
Originally Posted by
kempy535
help i've got a '92 535 with fly by wire throttle. Most of the time the car feels as tho its running on about 50% power and doesnt feel happy reving over 4500 and wont do any more than 120mph . i've fitted new injectors, airflow meter, fuel reg, and throttle housing any idea's whats wrong?
Bellevue WA
90 535iM - not much stock remains. 3.7 liters, ported head, cammed, 3.73 diffy, M5 brakes, MAFed, yadda yadda yadda
86 Porsche 951 - Track Toy