Most Common Car Issues
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MOST COMMON PROBLEMS
BMW 750Li / ALPINA B7 2014
The 2014 BMW 750Li / ALPINA B7 is a luxurious sedan with a powerful 4.4L V8 engine, offering between 448 and 540 horsepower. It features comprehensive safety options, including front, side, and curtain airbags, as well as pretensioners for the front seats. This model is part of BMW's 7-Series and is manufactured in Dingolfing, Germany. The vehicle also includes a direct Tire Pressure Monitoring System (TPMS) and a manual seat belt type.
Spec:
Engine Brake (hp) From
448
Engine Brake (hp) To
540
Engine Number of Cylinders
8
Other Engine Info
Engine Brake (hp) for 750Li = 448 Engine Brake (hp) for ALPINA B7 = 540
Problems:
Oil leaks
Due to the complexity of the V8 engine, oil leaks can occur from various seals and gaskets, such as the valve cover gaskets or oil pan gaskets.
Timing chain issues
The BMW V8 engines, especially in the 750Li, are known for timing chain guide failures, which can lead to significant engine damage if not addressed.
Coolant leaks
The 2014 BMW 750Li and ALPINA B7 can experience coolant leaks from components like the water pump, radiator, and hoses.
Fuel injector problems
Over time, the fuel injectors can become clogged or fail, leading to rough idling, misfires, and poor engine performance.
Turbocharger issues
In the ALPINA B7, the turbochargers can fail due to high heat and stress, leading to reduced engine performance and possible engine damage.
Carbon build-up
Direct injection engines, such as those in the 750Li and ALPINA B7, can suffer from carbon build-up on the intake valves, reducing performance and efficiency.
High-pressure fuel pump (hpfp) failure
The HPFP can fail, leading to starting issues, rough idling, and stalling.
Vacuum leaks
Vacuum leaks from hoses and connections can cause rough idling, poor acceleration, and engine performance issues.
Electronic throttle body issues
Problems with the electronic throttle body can lead to poor throttle response and reduced engine performance.
Sensor failures
Various sensors (e.g., oxygen sensors, mass airflow sensors) can fail, leading to check engine lights and reduced performance.