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.
Engine identification
Drive in engine numbers at marked surface with impact tool.
M47 / M47TU / M47T2
M57 / M57TU / M57T2
M67 / M67TU
N47 / N47S
M52 / M52TU
M54
M56
N40 / N45 / N45T / N43
N42 / N46 / N46T
N51 / N52 / N52K / N53 / N54
N62
N73
S54
S85 / S65
W10 / W11
W17
Assemble engine.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.