Oil Pump Pressure Relief Valve - BMW 1999-2005 M3 Service Manual

Lubrication System
4 of 4
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Tightening torques
pan (M12)
Oil pan to engine block
M6, 8.8 grade
M6, 10.9 grade
M8, 8.8 grade
Oil pump to engine
block (M8)
Oil pump sprocket to oil pump shaft
M10x1 left-hand
thread
Transmission bellhousing to oil pan
M8 Allen
M8 Torx

Oil pump pressure relief valve

The oil pump pressure relief valve is
held in the side of the oil pump with a
circlip.
1 - Control plunger
2 - Spring
3 - Sealing O-ring
4 - Sleeve
5 - Circlip
10 Nm (89 in-lb)
12 Nm (106
in-lb)
22 Nm (16 ft-lb)
22 Nm (16 ft-lb)
25 Nm (18 ft-lb)
24 Nm (17 ft-lb)
21 Nm (15 ft-lb)
2/25/2009 9:53 PM