Problem Reports
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2003 BMW Z4 Problems
Stop Top Hydraulic Motor Corrosion Due to Poor Design and Drainage in pump housing
William Searfus
1780 Indian Wy
Oakland, CA 94611
510-219-7733
Searfus@yahoo.com
BMW of North America
RE: Z4 Soft Top Hydraulic Pump Corrosion
VIN: 4USBU33576LW66425
I love convertibles and have since the first one I saw in the 60s growing up in Southern California on the beach in San Diego…wow!
I have owned a convertible for most of my adult life driving one just about every day.
I bought the beautiful BMW Z4 in 2006 from Stevens C...
Check Engine Light and/or Engine Overheating
The thermostat may fail resulting in engine overheating and/or illumination of the Check Engine Light. Replacement of the thermostat along with a complete inspection of the cooling system will be necessary to correct this concern.
Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.
Coolant Leak From Radiator
It is not uncommon for the radiator to develop a coolant leak. A leaking radiator will require replacement. When a leaking radiator is replaced the entire cooling system should be inspected and if any additional leaks are found they should be repaired also.
Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.
Water Pump May Develop Coolant Leak
The low coolant light may illuminate and/or the engine may overheat as a result of a coolant leak from the water pump. The leaking pump will require replacement and the entire cooling system should be inspected for leaks as it is not uncommon to find multiple leaks on higher mileage vehicles.
Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.
Coolant Loss Due to Leak from Expansion Tank
An engine coolant leak may develop from the expansion tank resulting in engine overheating. When a cooling system component fails the entire cooling system should be inspected. It is not uncommon to find additional component have failed or are leaking.
Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.
Clunk or Jolt Felt in Steering Due to Worn Bushings in Front Suspension
Failure of the front control arm bracket bushings—often referred to as thrust rod bushings—is moderately common. One symptom is a clunk or jolt felt in the steering when braking.
Burning Smell or Oil Drips on the Ground Due to Engine Oil Leak
Valve cover gasket leaks are common after 60,000 miles. Symptoms will include oil drips under the vehicle and burning oil smell from the engine compartment.