(6-Cylinder And V-8); Oil Level Warning Switch. Replacing - BMW 5251 Service Manual

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6-cylinder models: Remove intake manifold to access oil
pressure switch (arrow).
V-8 models: Oil pressure warning switch (arrow) is located
under oil filter housing mounted to left inner fender panel.
NOTE-
Any time the oilpressure warning switch is removed, be sure
to replace the sealing washer.
Tightening torque
Oil ~ressure switch to oil filter housins 27 Nrn (20
ft-lb)
Oil level warning switch, replacing
(6-cylinder and
V-8)
4
Oil level warning switch is located at bottom of the engine oil
pan.
Drain engine oil before attempting to remove level warning
switch.
Be sure to refill engine and check for leaks after work is
completed.
NOTE-
Any time the oil level warning switch is removed, be sure to
replace the sealing O-ring between switch and oil pan.