Why do BMW Water Pumps Fail?
Why do BMW Water Pumps Fail?
BMW water pumps in particular can begin to fail near the 80,000-mile mark. The water pump is made of a plastic material, and over time it’s normal for the plastic to begin cracking and corroding. Other issues with water pumps could be due to problems with the bearing or the impeller pieces.
How much does it cost to replace a water pump on a BMW?
BMW 328i Water Pump Replacement Cost Estimate. Labor costs are estimated between $267 and $337 while parts are priced between $409 and $552. This range is based on the number and age of BMW 328i’s on the road.
How do I know if my BMW water pump is bad?
Signs that can indicate a failing water pump include:
- An apparent coolant leak near the front of your vehicle.
- Whining noises coming from under the hood, which can indicate a broken water pump pulley.
- Overheating engine.
- Steam coming from the radiator.
- Check engine light has turned on.
How do you change a water pump on a BMW?
BMW N54 Water Pump and Thermostat Replacement Process
- Step 1: Remove the intake cowl.
- Step 2: Remove the cooling fan.
- Step 3: Remove the intercooler.
- Step 4: Remove the radiator drain screw and drain coolant.
- Step 5: Remove Coolant Hoses.
- Step 6: Lower the sway bar mounts.
- Step 7: Disconnect the water pump and thermostat.
How long does a water pump last on a BMW?
About Water Pump Replacement A failing water pump can also leak causing further loss of coolant. Water pumps are designed to last at least 100,000 miles, however, if your water pump fails, you should replace it with a high-quality original-equipment level unit.
How long does a BMW water pump last?
On these water pumps, we suggest replacement at the 80,000 mile interval. Failure usually occurs very soon after the car hits this milage mark.
How long does it take to put a water pump on a BMW?
You should replace the thermostat and U shaped pipe between the thermostat and the water pump. WP takes well more than 2 hours. Without a lift you’ll spend nearly 2 hours getting the car off the ground, moving everything out of the way and then draining the coolant. 4-6 hours is about right.
How long does it take to change BMW thermostat?
The bleeding procedure takes about 12 minutes and once the car is done check the coolant level and add coolant if necessary. Start the car, make sure there are no leaks and reinstall the underpanel.
