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 MANUALSBMW2009135I 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEM - REPAIR
2009 BMW 135i 2D Convertible, Standard
Fuel System - Repair
2009 BMW 135i 2D Convertible, StandardSECTION Fuel System - Repair
- Checking/Setting Engine/Emission
- Fuel Pump With Drive And Line
- Injection Pump, Regulator, Mixture Regulator
- Injection Nozzle
- 13 53 594 Replacing low-pressure fuel sensor (N54, N53)
- 13 53 332 Removing and installing / replacing feed line (N53, N54, N54T)
- 13 53 192 Removing and installing/replacing a pressure line (N53, N54, N54T)
- 13 53 158 Removing and installing/replacing high-pressure rail (N53, N54, N54T)
- 13 53 334 Removing and installing/replacing pressure line (N53, N54, N54T)
- 13 53 594 Replacing fuel low-pressure sensor (N54, N54T)
- 13 53 596 Replacing high-pressure fuel sensor (N54, N53)
- Throttle And Operation
- Sensor For Control Unit
- Start Valves
- Intake Silencer
- 13 Removing intake duct (N54)
- 13 71 000 Removing and installing/replacing the intake silencer housing (N54, N54T)
- 13 71 160 Removing and installing/replacing front air duct (N54)
- 13 71 170 Removing and installing/replacing rear air duct (N54, N54T)
- 13 74 001 Removing and installing/replacing sound generator (N54)
- Air Cleaner
- Engine Sound System
- 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.