Checking internal engine pressure
WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
Preliminary work
- Refer to CHECKING/IF NECESSARY TOPPING UP ENGINE OIL LEVEL WITH DIAGNOSTIC SYSTEM .
- Refer to REMOVING THE OIL FILLER CAP .
- Insert special tool 0 496 326 (11 9 880) into the opening of the oil filler neck (2) and screw in hand-tight.
- Connect a standard connection hose (1) with the special tool.
- low pressure line
low pressure line
IMIB R2 low pressure line
81 31 2 357 800
300
mm
connect to the connection hose (1).
- low pressure line
low pressure line
IMIB R2 low pressure line
81 31 2 357 800
300
mm
Connect with measuring technique.
- Start engine and run at idle speed.
- Measure the internal engine pressure with measuring technique.
- Connect vehicle diagnosis system and observe the diagnosis instructions for pressure testing.
- Drive
- Engine electronics
- Crankcase pressure measurement
- Stop engine.
- low pressure line
IMIB R2 low pressure line
81 31 2 357 800
300
mm
disconnect from measuring technique.
- low pressure line
IMIB R2 low pressure line
81 31 2 357 800
300
mm
Disconnect from connection hose (1).
- Remove special tool 0 496 326 (11 9 880) from the oil filler neck opening (2).
Follow-up work
- Refer to INSTALLING THE OIL FILLER CAP .