Pre-April 1990 520i/525i Models 530i, 535i
Unscrew the oil filter. There is a special tool for this, for example from HAZET2169. You can also drive a sharp screwdriver from the side into the oil filter. When unscrewing, oil flows out - substitute a vessel.
Lubricate the oil filter flange with fuel.
Clean the oil filter flange with fuel.
Lightly lubricate the rubber o-ring of the oil filter with engine oil.
Attention: Observe the instructions on the fuel filter housing.
Screw on the new oil filter by hand.
Models 518i,520i/525i since May 1990 (four-valve engine), diesel engines
Diesel engine 524td: Unscrew the two bolts in location 1. On other engines, remove one bolt in the middle of the oil filter cover.
Remove filter cover 2 with O-ring.
Pull out the filter element 3. Wipe the dripping oil with a cloth.
Clean the oil filter flange with fuel.
Lightly lubricate the rubber o-ring of the oil filter with engine oil.
Attention: Observe the instructions on the fuel filter housing.
Insert a new filter element into the oil filter housing.
Clean the oil filter cover. Replace rubber seals -arrows- on central bolt and cover.
Place the filter cover with the return tube on top and press down. In this case, the return tube enters the corresponding hole in the bottom of the filter.
Insert central bolt, on diesel engine two bolts, screw in and tighten to 20 Nm.