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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2000740IREPAIR AND DIAGNOSISENGINE MECHANICALFUEL SYSTEMFUEL SYSTEM - REPAIR INSTRUCTIONS
2000 BMW 740i
Fuel System - Repair Instructions
2000 BMW 740iSECTION Fuel System - Repair Instructions
- Checking Setting engine
- Fuel pump with drive
- 13 31 ... Notes on fuel pressure check (reference pressure: environment)
- Feature of this version with ambient pressure:
- Test precondition:
- Description of operation:
- Description of operation: fuel return line
- Description of operation: pressure retaining function
- Complaint: drive characteristic faults, lack of power
- If the measured value is less than the nominal value - 0.2 bar:
- If the measured value is greater than the nominal value + 0.2 bar:
- Complaint: starting problems
- If the measured value has dropped by more than 0.5 bar:
- If the measured value has now dropped by less than 0.5 bar, the following faults can be present:
- If the measured value has dropped by more than 0.5 bar again:
- 13 31 ... Notes on fuel pressure check (reference pressure: intake manifold pressure)
- Feature of this version with intake manifold pressure:
- Test precondition:
- Description of operation: fuel pressure regulator
- Description of operation: fuel pump
- Description of operation: fuel return line
- Description of operation: pressure retaining function
- Complaint: drive characteristic faults, lack of power
- If the measured value is less than the nominal value - 0.2 bar:
- If the measured value is greater than the nominal value + 0.2 bar:
- Complaint: starting problems
- If the measured value has dropped by more than 0.5 bar:
- If the measured value has now dropped by less than 0.5 bar, the following faults may be present:
- If the measured value has again dropped by more than 0.5 bar:
- 13 31 029 Checking delivery pressure of fuel pump (M62)
- 13 31 510 Removing and installing/replacing 3/2-way valve (M62, M73)
- 13 31 ... Notes on fuel pressure check (reference pressure: environment)
- Fuel filter
- Speed governor
- Injection pump regulator
- Injection nozzle and
- Throttle and operation
- 13 54 030 Removing and installing/sealing throttle body (M60, M62)
- 13 54 060 Removing and installing or replacing throttle body (ASC+T) (M60, M62) D
- 13 54 250 Replacing inlet hose (between mass air flow sensor and throttle body)(M62)
- 13 54 552 Additional work with ASC+T (removing and installing connections on ASC+T throttle body) (M60, M62)
- 13 54 554 Additional work with ASC+T (removing and installing throttle body ASC+T on throttle body) (M60, M62)
- Sensor for control unit
- Throttle potentiometer
- Start valves
- Intake silencer
- Air cleaner
- Carbon Canister Ventilation
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.