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.
11 34 552 Removing and installing/replacing all valves (N63)
Necessary preliminary tasks:Β
- Remove left cylinder head.
- Remove right cylinder head.
- Remove all CAMSHAFTSΒ .
Mount cylinder head (1) on special tool 11 9 000 .
Prepare special tool 11 9 008 on special tool 11 9 006 .
Position special tool 11 9 006 with silicone cushion on cylinder head.
Slide locks (1) in direction of arrow and pretension with eccentric shaft.
Press down valve spring with special tool 11 8 840 .
Remove valve cotters (1) with a magnet.
Place valve springs and valve keys on special tool 11 4 480 in an orderly manner.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.