2004 BMW Z4 Problems

Failure of the front control arm bracket bushings—often referred to as thrust rod bushings—is moderately common.

An engine coolant leak may develop from the expansion tank resulting in engine overheating.

The thermostat may fail resulting in engine overheating and/or illumination of the Check Engine Light.

The low coolant light may illuminate and/or the engine may overheat as a result of a coolant leak from the water pump.

Various components of the engine cooling system may fail resulting in coolant loss and engine overheating.

It is not uncommon for the radiator to develop a coolant leak.