Hey all,
Over spring break i'm gonna pull the M20 and 5 speed from my 88 'is parts car, install it in my 90 325i and i was wondering what i should replace? Might as well start accumulating parts now. My car is an auto now, so the 5 speed swap parts apply. I'm probably gonna pull the cat and put it in my car too (engine only has 92k, probably worth it to swap) It has been sitting for at least a year, maybe 2. The list I have already:
All Fluids
Intake Mani gasket
Fuel injector O-rings
Exhaust gaskets
Crank breather hose (valve cover to TB)
Crank Breather tube o-rings
Valve cover gasket
Cam Seals
Rocker arm plugs
Belts
Timing Belt
Tensioner
Water Pump
Oil Pan Gasket
Rear Engine Seal
Spark Plugs
Clutch
Clutch Slave, Master cyls
Clutch Lines
Shifter Bushings
Motor Mounts
Trans Mounts
Trans Seals (Which ones?)
Guibo
Driveshaft CSB
Thermostat
Some other common wear items have been replaced on my car this past summer already (Ignition stuff, hoses, etc.), so i'll just transfer everything. Anything else you guys can think of?
Last edited by andyman2487; 11-12-2006 at 04:00 PM.
Get a box of brake cleaner.
A good scrubbing out of the throttle body and AFM could be nice too. I would, personally, get some solvent or something and give the intake manifold a good dunking then hit it up with a pressure washer.
Also, personally, since you apparently have some life left in your '90, I'd stroke it to 2.8 liters. M52 crank with the spacer added to the front of the crank and eta con-rods is all you need really. Of course I was going that route I'd tear the engine apart and give it a real good cleaning and inspect the bores and rings at the very least.
A good flush of the cooling system would be nice too, with a brush inside the channels.
It is on your list (sort of). It would be a good idea to replace the input and output seals on the transmission while it is out. And replacing the bushings on the shifter would be prudent. And given the age of these cars I'd replace the radiator during the swap.
The car makes it possible, but the driver makes it happen.
Jim Levie, Huntsville, AL
I didn't see front engine seal on your list. As long as you have the motor out and t belt off, may as well do this too, since the seal is the same age as all the rest of them.
9/2004 Chevrolet Suburban Z71, black, purchased March 2016, 270k miles.
6/99 740i Cosmos Schwartz M Sport, 214k miles, purchased May 2017
2001 740i OrientBlau M Sport, purchased March 2023
1984 MasterCraft Stars and Stripes, Blue/White, PCM Ford 351W, PowerSlot, 912 hours, purchased September 2012 (not a car )
4/99 323is/5. Titansilber, 211k miles. Straight body project.
past BMWs: 5/1994 325isa (Arktisgrau), 3/1997 328is/5 (cosmosschwartz), 9/1990 535i/5 (calypsorot), 9/1990 318i/5 (brillantrot) 7/93 325i/5 convertible (samoablau) 2/92 325i/5 cabriolet (lagunengruen).
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