Most Common Car Issues

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MOST COMMON PROBLEMS

BMW 750Li 2007

The 2007 BMW 750Li is a luxurious sedan featuring a 4.8L V8 engine that delivers 360 horsepower. Manufactured in Dingolfing, Germany, this model is part of the prestigious 7-Series and includes advanced safety features such as dual-stage SRS airbags. With seating for up to five passengers and a direct TPMS, it combines performance with top-tier safety and comfort.

Spec:

Engine Brake (hp) From

360

Engine Number of Cylinders

Problems:

Oil leaks

The 2007 BMW 750Li, with its V8 engine, is known to develop oil leaks over time, particularly from the valve cover gaskets and oil pan gasket.

Timing chain issues

The timing chain and its associated components can wear out, leading to noise and potential engine damage if not addressed.

Cooling system failures

Issues with the water pump, radiator, and thermostat are common, potentially leading to overheating.

Fuel injector problems

Fuel injectors can become clogged or fail, leading to poor engine performance and rough idling.

Vanos system failures

The variable valve timing system (VANOS) can develop issues, causing rough idling and reduced engine performance.

Ignition coil failures

Ignition coils can fail, leading to misfires and reduced engine performance.

Carbon build-up

Direct injection engines like the one in the 750Li can suffer from carbon build-up on the intake valves, leading to performance issues.

BMW 750Li 2008

The 2008 BMW 750Li is a luxurious sedan powered by a robust 4.8L V8 engine producing 360 hp. It features a sophisticated dual-stage supplemental restraint system and offers advanced safety with direct tire pressure monitoring. Built in Dingolfing, Germany, this model is part of BMW's prestigious 7-Series and is designed for ultimate comfort with manual seat belts and ample safety features.

Spec:

Engine Brake (hp) From

360

Engine Number of Cylinders

Problems:

Oil leaks

The 2008 BMW 750Li is known to suffer from oil leaks, often from the valve cover gaskets and the oil pan gasket, which can lead to oil dripping under the vehicle or burning smell from the engine bay.

Cooling system failures

Issues with the cooling system, including failing water pumps, thermostats, and radiators, can lead to engine overheating. This is critical to address in order to avoid severe engine damage.

Timing chain problems

The N62 engine in the 2008 BMW 750Li can experience timing chain issues, leading to rattling noises, poor performance, or even engine failure if not addressed promptly.

Vanos (variable valve timing) issues

Problems with the VANOS system can cause rough idling, loss of power, and increased fuel consumption. This is a common issue in many BMW engines from this era.

Fuel injector failures

Faulty fuel injectors can lead to misfires, rough running, and poor fuel economy. These injectors can sometimes get clogged or fail electrically.

Electrical issues

The 2008 BMW 750Li can experience various electrical problems, including failing sensors, alternator issues, and battery drain, which can affect the engine management system and overall performance.

Carbon buildup

Direct injection engines, like the one in the 750Li, are prone to carbon buildup on the intake valves, which can lead to rough running, decreased performance, and poor fuel economy.

Crankcase ventilation system problems

Issues with the crankcase ventilation system, such as a failing PCV valve, can cause oil consumption issues and rough engine performance.