just bought my first bmw its an 88 325i very clean and well maintained which is the good the bad is A. its automatic and B. its a convertible i live in the north east and its nothing but mountains and dirt roads really wanted to to a cool rally build any suggestions on where i should start? I was thinking to start from the wheels and move my way in and up as in, wheels, slotted rotors, mud flaps, ksport drift kontrol coilovers, eibach sway bar kit, magnaflow exaust, skid plates, and now im getting into the engine which i dont know much about the m20's, id like to start with cold air intake and bigger injectors but i have no idea what injectors to slap on by the end of my build i want to push 300-350 whp ive read that the m20 engines can take up to 400 but i have no need to get up that high if anyone out there could point me in the right direction that would be great
Welcome!
Most importantly: The M20 has a timing belt which needs replacing every 60k miles, or 5 years. Whichever comes first.
If it snaps you'll have 0 hp and serious engine repairs ahead.
No info about the age of the belt? >> Do it asap.
I'd say, take a look in the FI section of this forum as you'll definitely need that to reach anything over 200hp with the M20.
It's worth mentioning that the stock intake is a cold-air intake, and it has the added bonus of being able to reach outside the engine bay. All the aftermarket stuff is shorter and gets hotter air from inside the engine bay. I'd also suggest you're tackling maintenance exactly backwards: You should start with important things like all fluid changes (engine, gearbox, brake/clutch, power steering, coolant), then look at suspension bushings, then brakes and hoses (and fuel hoses in the engine bay, they're prone to cracking after this long), then more aesthetic stuff like lowered suspension and wheels.
Interested in vintage cars? Ever thought about racing one?
Info, photos, videos, and more can be found at www.michaelsvintageracing.com!
Elva Courier build thread here!
Something I feel you'll require:
https://www.bimmerforums.com/forum/s...s-for-your-M20
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