Most Common Car Issues
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MOST COMMON PROBLEMS
BMW 745Li 2003
The 2003 BMW 745Li is a luxurious sedan with a powerful V8 engine delivering 325 horsepower. Produced by BMW AG in Dingolfing, Germany, this vehicle blends performance and elegance with its spacious interior and refined design. With a wheelbase of 123.2 inches, it offers a smooth and comfortable ride, making it a standout in the passenger car segment.
Spec:
Engine Brake (hp) From
325
Engine Number of Cylinders
8
Problems:
Vanos system failure
The BMW 745Li from 2003, especially with a V8 engine, can experience issues with the VANOS (variable valve timing) system, which may lead to rough idling, poor performance, and increased fuel consumption.
Cooling system issues
These models are known for having problems with the cooling system, including radiator and water pump failures, which can lead to overheating if not addressed.
Oil leaks
Oil leaks are common in older BMW models due to worn gaskets and seals. The valve cover gaskets and oil pan gaskets are especially prone to leaks in the 2003 745Li.
Transmission problems
Some 2003 BMW 745Li models experience transmission failures or issues with the transmission control unit, leading to erratic shifting or failure to shift.
Electrical problems
The complex electrical system in the 745Li can be problematic, leading to issues with the iDrive system, navigation, and various electronic components.
Timing chain issues
Problems with the timing chain tensioner and guides can occur, potentially leading to severe engine damage if not addressed.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.