Most Common Car Issues

Selected parameters

Add more parameters

MOST COMMON PROBLEMS

BMW Z4 2015

The 2015 BMW Z4 sDrive35i is a sleek roadster powered by a 3.0L inline-6 engine delivering 300 hp. With advanced safety features like front, knee, and side airbags, and pretensioners for both driver and passenger, it ensures a secure ride. This two-door convertible combines performance and elegance, making it a standout in its class.

Spec:

Engine Brake (hp) From

300

Engine Number of Cylinders

Problems:

Oil leaks

BMW engines, including the ones in the Z4, are known for developing oil leaks from the valve cover gasket or oil filter housing gasket.

Cooling system issues

The cooling system can be prone to failures, such as water pump or thermostat failures, which can lead to overheating.

High-pressure fuel pump (hpfp) failure

The HPFP in these engines can fail, causing rough idling, stalling, or a reduction in power.

Turbocharger problems

If the Z4 model is equipped with a turbocharged engine, the turbocharger can experience issues like wastegate rattle or boost pressure loss.

Ignition coil failure

Ignition coils can fail, leading to misfires, rough running, and a check engine light.

Fuel injector malfunction

Fuel injectors can become clogged or fail, causing poor performance, rough idling, and increased fuel consumption.

Vanos system issues

The variable valve timing system (VANOS) may develop problems, resulting in a lack of power, rough idling, or poor fuel economy.

Carbon buildup

Direct injection engines can suffer from carbon buildup on intake valves, which can affect performance and fuel efficiency.

BMW Z4 2015

The 2015 BMW Z4 Roadster is a sleek, two-door sports car with a 2.0L engine producing 241 horsepower. Manufactured in Regensburg, Germany, this model boasts a robust safety system including front, knee, and side airbags for both the driver and passenger. The Z4 eDrive e28i trim offers a dynamic driving experience, powered by a 6-cylinder gasoline engine. With a gross vehicle weight rating under 6,000 lbs, it combines performance and agility.

Spec:

Engine Brake (hp) From

241

Engine Number of Cylinders

Problems:

Oil leaks

BMW engines, including the 6-cylinder found in the 2015 Z4, are known for developing oil leaks, often from the valve cover gasket or oil filter housing gasket.

Cooling system issues

The cooling system in BMWs can be prone to failures, such as water pump failure, radiator leaks, or thermostat issues, leading to overheating.

High-pressure fuel pump failure

BMW's high-pressure fuel pumps can fail, causing the engine to run poorly or not start at all.

Vanos system failure

The Variable Valve Timing (VANOS) system can have issues, leading to poor performance and rough idling.

Carbon build-up

Direct injection engines, like those in the Z4, can suffer from carbon build-up on the intake valves, leading to reduced performance and efficiency.

Electrical problems

BMWs, including the Z4, can experience various electrical issues, such as problems with sensors and control modules, causing warning lights and malfunction indicators.