BMW X5: Brake Testing and Bleeding
BMW X5 (G05) 2019-2026 Service & Repair Manual / Brakes / Brakes - Repair Instructions / Brake Testing and Bleeding
- General Information
- Checking Brakes On Test Stand
- Checking Thickness Of Brake Pad
- Bleeding Brake System With DSC
- Replacing Fluid In ABS/ASC+T Brake System
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General Information
The brake system is one of the most important safety systems on any motor
vehicle. It is therefore essential to
act with utmost care when working on the brake system and to follow the
instructions b
Checking Brakes On Test Stand
IMPORTANT: Only brake test stands (analyzers) with test speeds of 2.5 -
6 km/h may be used.
Before driving onto the brake test stand (dynamic brake analyzer), switch off
the Hill Descent Control (HD
Checking Thickness Of Brake Pad
Special tools required:
34 1 260.
NOTE: The thickness of the outer brake pads can be determined without
removing the
wheels.
If necessary, move car until opening for brake pad wear indicator (bra
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Ignition Wires, Spark
REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
12 1 171
12 1 200
Necessary preliminary tasks:
Switch off ignition
Remove ignition coils.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171an
Bolts
Although, the N54 engine has an all aluminum crankcase, many of the bolts are
still aluminum as on the N52.
This is to reduce any potential confusion between steel and aluminum bolts.
Some bolts, for example, are steel
such as the cylinder head cover bolts. This is possible, due to the plastic
cy
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