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 34 715 Replacing all valve springs (N55)
Special tools required:
Necessary preliminary tasks
- Remove CYLINDER HEAD .
- Remove EXHAUST CAMSHAFT .
- Remove INTERMEDIATE LEVER .
- Remove INTAKE CAMSHAFT .
- Remove ROCKER ARM .
Place cylinder head on special tool 11 9 000 .
Align special tool 11 9 007 on particular combustion chamber.
Position special tool 11 9 007 on cylinder head.
Push locks (1 and 2) toward inside and preload via eccentric shaft.
Press down intake valve with special tool 11 8 841.
Remove valve key (1) with a magnet.
Remove valve spring with spring cups.
If individual components are to be reused, they must be placed in neat order in special tool 11 4 481 .
Press down discharge valve with special tool 11 8 842.
Remove valve key (1) with a magnet.
Remove valve spring with spring cups.
If individual components are to be reused, they must be placed in neat order in special tool 11 4 482 .
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:
- • 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.