11 40 000 Checking engine oil pressure: Notes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
NOTE:
For illustration of Special Tools, refer to ENGINE - SPECIAL TOOLS - 5-SERIES (E39)
article.
- 11 4 050
- 13 3 061
- 13 3 063
- 13 6 051
- 13 6 054
NOTE:
For engine oil pressure to be checked, oil pressure switch must be removed and special tools must be installed and connected.
To avoid an excess discharge of oil when removing oil pressure switch:
Unscrew oil filter cap; the engine oil flows out of the oil filter housing into the oil sump.
Installation:
Replace sealing ring.
Tightening torque, see 11 42 2AZ in ENGINE - TIGHTENING TORQUES - 540i .
Remove oil pressure switch.
Installation:
Tightening torque, see 12 61 1AZ in ENGINE - TIGHTENING TORQUES - 540i .
Install special tool 11 4 050 with sealing ring (1) in place of oil pressure switch.