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.
1351522 Fuel metering unit (M47TU/M47T2/M57TU, M57T2)
2009 BMW 335dSECTION 1351522 Fuel metering unit (M47TU/M47T2/M57TU, M57T2)
Necessary preliminary tasks
- Remove AIR INTAKE MANIFOLD (M47TU, M47T2 only).
IMPORTANT:
Adhere to the utmost cleanliness.
Dirt particles must not be allowed to get into the high-pressure pump.
Dirt particles must not be allowed to get into the high-pressure pump.
Disconnect plug connection (1) on metering unit.
Release screws (2).
Remove metering unit (1) in direction of arrow.
Assemble engine.
Check fuel system for leaks.
Check function of DDE.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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.