In Reply to: overheating '89 535i posted by alan on November 05, 1999 at 09:38:11:
I agree with Bert, try the thermostat first. I recently changed my fan clutch, waterpump, hoses and coolant to no avail. Last week I changed the $18 thermostat(easy 20 min. job) and no more overheating. Temp. needle always stays 12 o'clock and below now. Good luck.