BMW X5: Electronic Switching On Or Control Unit
BMW X5 (G05) 2019-2026 Service & Repair Manual / Engine Electrical System / Engine Electrical System (6-Cyl.) / Electronic Switching On Or Control Unit
- Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)
- Replacing Exhaust Camshaft Pulse Generator (N52, N52K, N51, N53)
- Removing/Replacing Knock Sensors (N52, N52K, N51)
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Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of ele
Replacing Exhaust Camshaft Pulse Generator (N52, N52K, N51, N53)
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
Removing/Replacing Knock Sensors (N52, N52K, N51)
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical
corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum
SEE MORE:
Limp-Home Mode
If a fault is diagnosed in the system, such as e.g. failure of the
high-pressure sensor, the fuel-supply control
valve is de-energized; the fuel then flows via a so-called bypass into the rail.
In the event of HPI limp-home mode, turbocharging is deactivated by an opening
of the wastegate valves.
Engine Diagnosis
Engine Diagnosis
When attempting to diagnose driveability complaints, always consider the
basics. Regardless of the level of
technology employed on an engine, it still needs a few basic things to occur in
order to run properly. Whether
the engine is very basic or uses so-called "New Generation" te
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