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 MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1948 (FUEL SYSTEM - REPAIR)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
Section 1948 (Fuel System - Repair)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Section 1948 (Fuel System - Repair)
WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
- Checking/Setting Engine/Emission
- Fuel Pump With Drive And Line
- 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
- 13 31... Notes regarding the fuel pressure test (reference pressure: surrounding area)
- Injector Pump, Regulator, Mixture Regulator
- 13 53 170 Removing and installing/replacing all pressure lines (N63, S63)
- 13 53 332 Removing and installing/replacing feed line (S63)
- 13 51 065 Removing and installing/replacing left high pressure pump (S63)
- 13 51 070 Removing and installing/replacing right high pressure pump (S63)
- 13 53 602 Replacing left high-pressure fuel sensor (N63, S63)
- 13 53 602 Replacing right high-pressure fuel sensor (N63, S63)
- Injection Nozzle And Lines
- 13 53 310 Removing and installing or replacing an injector (N63, S63)
- 13 53 170 Removing and installing/replacing all pressure lines (N63, S63)
- 13 53 332 Removing and installing/replacing feed line (S63)
- 13 53 205 Removing and installing/replacing left rail (N63, S63)
- 13 53 208 Removing and installing/replacing right rail (N63, S63)
- 13 53 602 Replacing left high-pressure fuel sensor (N63, S63)
- 13 53 602 Replacing right high-pressure fuel sensor (N63, S63)
- Throttle And Operation
- Sensor For Control Unit
- 13 62 591 Removing and installing/replacing pressure sensor on left charge air cooler (S63)
- 13 62 593 Removing and installing/replacing pressure sensor on left intake plenum (N63, S63)
- 13 62 594 Removing and installing/replacing pressure sensor on right intake manifold (N63, S63)
- 13 62 592 Removing and installing/replacing pressure sensor on right intercooler (S63)
- 13 62 531 Replacing coolant temperature sensor (S63)
- Start Valves
- Intake Silencer
- Air Cleaner
- Carbon Canister Ventilation
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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.