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.
12 14 523 Replacing pulse sensor on intake camshaft (N20)
2011 BMW 550xi 4.4, N63SECTION 12 14 523 Replacing pulse sensor on intake camshaft (N20)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION)
.
Necessary preliminary tasks:
- Read out fault code memory of the DME control unit.
- Switch off ignition
Unlock connector (1) and remove.
Release screw.
Tightening torque 13 62 1AZ .
Remove pulse sensor (2).
Check gasket, renew damaged gasket.
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.