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.
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HOMESERVICE MANUALSBMW2011335I 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEM - REPAIR - E90
2011 BMW 335i 2D Convertible, Standard
Fuel System - Repair - E90
2011 BMW 335i 2D Convertible, StandardSECTION Fuel System - Repair - E90
- Checking/Setting Engine/Emission
- Fuel Pump With Drive And Line
- 13 31 032 Check fuel pressure
- 13 31... Notes regarding the fuel pressure test (reference pressure: surrounding area)
- The characteristic of this version with ambient pressure
- Test prerequisite
- When the measured value is less than the nominal value - 0.2 bar
- When the measured value exceeds the nominal value + 0.2 bar
- Attention
- If the measured value dropped by more than 0.5 bar
- The following faults may be present if the measured value now dropped less than 0.5 bar
- If the measured value dropped again by more than 0.5 bar
- Injection Pump, Regulator, Mixture Regulator
- 13 53 192 Removing and installing/replacing a pressure line (Continental high-pressure pump) (N55)
- 13 53 332 Removing and installing/replacing feed line (Bosch high pressure pump) (N55)
- 13 53 332 Removing and installing/replacing feed line (Continental high pressure pump) (N55)
- 13 51 017 Removing and installing/replacing high pressure pump (Bosch) (N55)
- 13 51 017 Removing and installing/replacing high pressure pump (Continental) (N55)
- 13 53 334 Removing and installing/replacing pressure line (Bosch high-pressure pump) (N55)
- 13 53 334 Removing and installing/replacing pressure line (Continental high pressure pump) (N55)
- 13 53 158 Removing and installing/replacing rail (Bosch high pressure pump) (N55)
- 13 53 158 Removing and installing/replacing rail (Continental high-pressure pump) (N55)
- 13 53 596 Replacing high-pressure fuel sensor (N55)
- Injection Nozzle And Lines
- 13 53... Remove, install replace one injector N55 as from engine number 14407685 (hold-down device concept at the top)
- 13 53 192 Removing and installing/replacing a pressure line (Bosch high-pressure pump) (N55)
- 13 53 192 Removing and installing/replacing a pressure line (Continental high-pressure pump) (N55)
- 13 53 310 Removing and installing/replacing an injector (N55)
- 13 53... Removing and installing/replacing an injector N55 up to engine number 14407684 (bottom hold-down device version)
- 13 53 332 Removing and installing/replacing feed line (Bosch high pressure pump) (N55)
- 13 53 332 Removing and installing/replacing feed line (Continental high pressure pump) (N55)
- 13 53 334 Removing and installing/replacing pressure line (Bosch high-pressure pump) (N55)
- 13 53 334 Removing and installing/replacing pressure line (Continental high pressure pump) (N55)
- 13 53 158 Removing and installing/replacing rail (Bosch high pressure pump) (N55)
- 13 53 158 Removing and installing/replacing rail (Continental high-pressure pump) (N55)
- 13 53 596 Replacing high-pressure fuel sensor (N55)
- 13 53... Warnings for the removal of injectors (N55)
- Throttle And Operation
- Sensor For Control Unit
- Start Valves
- 13 53... Remove, install replace one injector N55 as from engine number 14407685 (hold-down device concept at the top)
- 13 53 310 Removing and installing/replacing an injector (N55)
- 13 53... Removing and installing/replacing an injector N55 up to engine number 14407684 (bottom hold-down device version)
- 13 53... Warnings for the removal of injectors (N55)
- Intake Silencer
- Air Cleaner
- Carbon Canister Ventilation
RENDER: 1.0x
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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.