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 2129 (FUEL SYSTEM - REPAIR)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
Section 2129 (Fuel System - Repair)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Section 2129 (Fuel System - Repair)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 BMW 760Li, 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, and 2012 BMW 760Li. 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 31 032 Check fuel pressure
- 13 31 029 Checking fuel delivery pressure (N20, N53, N54, N55, N63, N74)
- 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
- Injection Nozzle And Lines
- 13 53 180 Removing and installing or replacing pressure line (between high-pressure pump and left or right rail, (N74)
- 13 53 170 Removing and installing/replacing all pressure lines (N74)
- 13 53 310 Removing and installing/replacing an injector (N74)
- 13 53 332 Removing and installing/replacing feed line (N74)
- 13 53 205 Removing and installing/replacing left rail (N74)
- 13 53 208 Removing and installing/replacing right rail (N74)
- 13 53 602 Replacing left high-pressure fuel sensor (N74)
- 13 53 594 Replacing low-pressure fuel sensor (N74)
- 13 53 602 Replacing right high-pressure fuel sensor (N74)
- Throttle And Operation
- Sensor For Control Unit
- 13 62 591 Removing and installing / replacing pressure sensor for charge air on left (N74)
- 13 62 592 Removing and installing / replacing pressure sensor for charge air on right (N74)
- 13 62 593 Removing and installing/replacing pressure sensor on left intake manifold (N74)
- 13 62 594 Removing and installing/replacing pressure sensor on right intake manifold (N74)
- 13 62 531 Replacing coolant temperature sensor (N74)
- Intake Silencer
- 13..... Removing intake port on right and left (N74)
- 13 71 195 (N74) Remove clean air pipe
- 13 71 030 Removing and installing/replacing both intake filter housings (N74)
- 13 71 180 Removing charge air pipe, cylinders 1-6 (N74)
- 13 71 181 Removing charge air pipe, cylinders 7-12 (N74)
- 13 71 190 Removing left clean air pipe (N74)
- 13 72 002 Replacing both air filter elements (N74)
- 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.