BMW 3 Series Forum - Technical Talk on the BMW E21
Hi,
New to Bimmerforums.
I have a problem with my 328 race car (it’s a internally standard M50 single Vanos but with a M52 intake manifold and aftermarket induction kit) in that it won’t rev over 6100 anymore but also won’t hold a steady throttle over 4500 at standstill. It’s a problem that...