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In Reply to: bought 87 735i, questions (long) attn.. anyone! posted by oo7 series on February 10, 2002 at 10:37:34:
Removing the fan is a 32mm LEFT HAND THREAD nut to remove the fan w/fan clutch. 4-10mm bolts remove the blade from the clutch. Don't know if it is a particular fan, but a junkyard should have one.
Coolant level sensors do go bad, most probable cause of light.
There is a hold down for the battery which screws in on the front side of the battery tray into a tinnerman nut (folded sheet metal clip on nut.)
I've cleaned sunroof drains with weedeater cord, plastic clothesline air pressure, etc. Be careful and avoid puncturing the tubing in the "C" pillar.
Braking will light the 'Brake' light (between parking and antilock lights) if the brake bomb is bad. This item maintains pressure in the system and symptoms of a bad one are low brake pedal and on first application of brakes, little pressure or stopping then a 'bump' felt in the pedal and very good braking. Bomb is under the pressure regulator near left front shock tower. Called a bomb becasue it is a 4" diameter metal bulb with a threaded connector.
OBC lights, slide in lamp unit for $20-35 at the dealer or replace the bulbs with 6v radio shack bulbs. Light bars slides in right side of unit.
Good Luck.
Keith
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