Car Troubleshooting BMW 3 Series E46

Troubleshooting Introduction
A car owner who follows the standard service intervals will not have to use this section of the manual very often. The reliability of branded parts is such...

Troubleshooting Engine Faults
The engine does not turn over when trying to start Poorly secured or corroded battery contacts (" Weekly check "). The battery is discharged or defective (...

Troubleshooting the cooling system
Overheat Insufficient amount of coolant in the system (" Weekly check "). Thermostat malfunction ( chapter 3 ). Clogged radiator or radiator grille ( chapter 3...

Troubleshooting fuel and exhaust systems
Increased fuel consumption Clogged air filter element ( chapter 1 ). Injector malfunction ( chapter 4 ). Incorrect ignition timing/ignition system malfunction...

Troubleshooting Clutch Problems
When you press the pedal, it reaches the floor with little or no effort Low fluid level/air in clutch hydraulic system ( chapter 6 ). The clutch release...

Troubleshooting a Manual Transmission
Noise in neutral position with engine running Wear of the gearbox input shaft bearings (the noise appears when the clutch pedal is released and disappears when...

Troubleshooting Automatic Transmission
Note: Due to the complexity of the automatic transmission, it is not possible for the vehicle owner to check and service it. For problems not described below,...

Troubleshooting differential and driveshaft
Vibration when decelerating or accelerating Cardan joint wear ( chapter 8 ). Bending, deformation or imbalance of the driveshaft. Noise in the final drive that...

Troubleshooting the brake system
Note: To confirm that the brake system is the problem, make sure that the tires are in good condition and properly inflated, that the front wheel alignment is...

Troubleshooting Suspension and Steering
Note: Before diagnosing suspension or steering problems, make sure that the tire pressure is correct, the tires are the same type, and the brakes are in good...

Troubleshooting electrical equipment
Note: Faults related to the starting system are listed under the heading "Engine" ( see above in this section ). The battery runs out in a few days Internal...

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Similar sections for other types of BMW cars:
General information: Troubleshooting BMW X3 E83 (2003-2010)

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