Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Removing and Installing/Replacing VANOS High-Pressure Oil Line (S85)
2008 BMW M5 (E60) V10-5.0L (S85)SECTION Removing and Installing/Replacing VANOS High-Pressure Oil Line (S85)
11 36 109 - Removing and installing/replacing VANOS high-pressure oil line (S85)
Necessary preliminary tasks:
- Remove drive belt Replacing A/C Compressor Drive Belt from A/C compressor.
- Remove drive belt Replacing Alternator Drive Belt from alternator.
- Release power steering pump Removing and Installing/Replacing Power Steering Vane Pump (do not remove).
- Detach water hoses on right.
- Remove oil pan Service and Repair.
- Remove oil pump Service and Repair.
- Remove VANOS high-pressure pump Removing and Installing/Replacing VANOS High-Pressure Pump (S85).
Only release bolts (2) on water pump bracket.
Release banjo bolt (1).
Tightening torque: 11 36 5AZ 11 36 Variable Camshaft Control VANOS.
Release bolt (1).
Remove high-pressure line (2) towards top.
Assemble engine.
There is air in the VANOS system once it is opened.
In the first few seconds after start-up this results in a clearly discernible "rattling noise".
This rattling noise does "not" indicate incorrect assembly.
The rattling noise will disappear as soon as the oil pressure has built up and the system has vented.
Carry out venting procedure with diagnosis tester.
Perform VANOS test.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.