The electric water pump used on the N52 3.0 liter engine in the 2007-2013 X5 3.0si is highly prone to failure between 60 and 100k miles.
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How do you test a BMW auxiliary water pump?
What does BMW auxiliary water pump do?
The aux water pump is for heating the cabin after the engine is shut off. It circulates the still-hot coolant so that the heater core will stay hot and provide heat to the cabin.
Does my BMW have an electric water pump?
BMWs are equipped with an electric water pump, which tends to be more efficient than traditional water pumps; however, it’s important to enlist the help of a BMW specialist to ensure that the correct protocol is followed for BMW’s specific standard of care when your water pump begins failing or requires servicing.
Does BMW have two water pumps?
All the big BMW’s with mechanical main water pumps are fitted with an auxiliary water pump – these are used to provide two functions – they increase the flow of coolant around the cabin heater when the engine is idling, and they also keeps the coolant flowing when the engine is switched OFF so that the cabin can be …
How long do BMW electric water pumps 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.
Where is the auxiliary water pump located?
The auxiliary water pump is typically located at the rear of your engine, where the main water line splits to supply the heater core with recently heated coolant.
Where is the auxiliary water pump?
Is auxiliary water pump the same as water pump?
An auxiliary water pump is different than a single water pump, because it is an electrically controlled motor. Its primary use is circulating water by way of a bypass hose from the main coolant lines to a heater core.
Is the auxiliary water pump necessary?
The usefulness of an auxiliary electric water pump This type of water pump is essential for passenger comfort, since it allows for sufficient heating even when passengers are driving in traffic or at low RPM.
How much does it cost to replace an auxiliary water pump?
The cost of an aftermarket auxiliary pump replacement ranges from $40 to $500. The price is affected by the brand of the part and the set or kit inclusions. Replacing the water pump may also cost you an additional $200 to $300 for labor depending on the standard labor rates in your location.
Can a bad auxiliary water pump cause overheating?
A failed pump will almost never cause the vehicle to overheat. If the auxiliary coolant pump is inoperative, the customer might notice reduced heater performance at low speeds and at idle.
What year did BMW start using electric water pumps?
Electric pumps do have a place on street-driven cars, in fact BMW began using electric water pumps around 2007 and several other manufacturers are working on similar versions.
How do I know if my BMW electric water pump is bad?
- Coolant Leaks.
- High-pitched Whining Sounds.
- Engine Overheating.
- Steam Coming From The Radiator.
- Higher Mileage.
- Routine Maintenance.
- Regular Coolant Changes.
- Any Change In Your BMW’s Performance.
How do I know if my electric water pump is bad?
- Coolant Leak. The water pump has several gaskets that can be damaged or worn out over time.
- Engine Overheating.
- High Pitched, Harmonic Whining Noises.
- Water Pump Rust and Corrosion.
- Steam comes out from under your hood.
- Holes or leakage system on the dry side of the water pump.
Do all cars have an auxiliary water pump?
Secondary water pumps keep the coolant flowing even when the engine is not running, ensuring there is always enough volume of coolant to keep the heater core warm.
Why does BMW use blue coolant?
Secondary water pumps, also known as auxiliary pumps, are the star component in upsetting any vehicle’s cooling system. Even though not all vehicles have one (yet), these pumps are growingly popular as engines become more efficient and generate less excess heat.
Why do BMW electric water pumps fail?
We recommend using BMW’s “Blue” coolant in your car because it is silicate & phosphate free, and has a much longer lifespan inside of your car’s cooling system.
How much does it cost to get a water pump replaced BMW?
The most common cause of water pump failure in BMW cars is simply from age and heavy use of the vehicle. Over time, most parts in a car start to break down through constant wear and tear. Since the water pump is made of plastic, it will slowly degrade over the lifetime of your vehicle.
Is there a recall on BMW water pump?
Taking all these points into consideration, you can expect to pay anywhere from $375 to $787 (including parts and labor).
What is an auxiliary pump?
Recall summary Because of the faulty design of the recall cars, the circuit board controlling the pump may overheat and start burning the water pump when working in high temperatures. This could potentially result in an engine fire and also cause the pumps to fail.
How do you test an auxiliary coolant pump?
What does auxiliary water supply mean?
Definitions of auxiliary pump. a supplementary pump available if needed. synonyms: donkey pump. type of: pump. a mechanical device that moves fluid or gas by pressure or suction.
What is auxiliary booster pump?
“Auxiliary water supply” means any water supply on or available to the premises other than the city water supply.
Will a bad water pump make your car lose power?
An aircraft fuel boost pump, also known as an auxiliary electric pump, is responsible for delivering fuel to the aircraft engine before the engine starts. The aircraft fuel boost pump can also be used to supply fuel to the airplane engine if the engine driven or primary fuel pump fails.