How to safely remove and reinstall the Water Pump on N20, N26, and N55 engines on BMW 428i?

First, lift the vehicle and secure it with jack stands. Next, take off the splash shield underneath the engine. For RWD Vehicles, unfasten the screws and remove the cover. For the N20 and N26 engines, detaching the coolant hoses from the Water Pump after removing the fasteners and loosening the hose clamps and detaching the Water Pump. Unlock and detach the electrical connection then remove fastener and take out Water Pump. If the Water Pump has to be reused, immediately after removal fill it up to the brim with fifty percent antifreeze and fifty percent distilled water and plug all openings to prevent contamination. To remove the Water Pump from the side of the engine, the electrical connector at the front of the Water Pump needs to be disconnected, along with releasing the clamps from the hoses and removing the bolts. The installation process is simply the reverse of that for removal, making sure to manually rotate the Water Pump impeller through one full revolution before installation, align the hose clamps with the marks on the hoses, refill and bleed the cooling system and check for leaks.

Genuine BMW 428i Water Pump

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BMW 428i Electric Coolant Water Pump
Part Number: 11518635089
$463.92 MSRP: $690.72
You Save: $226.80 (33%)
ADD TO CART
Product Specifications
- Other Name: Coolant Pump, Electrical; Water Pump, Water Pump Assembly
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2016 BMW 428i | Convertible N20 Engine(F33), Convertible N26 Engine(F33), Convertible(F33), Coupe N20 Engine(F32), Coupe N26 Engine(F32)
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BMW 428i Engine Water Pump
Part Number: 11517604027
$463.92 MSRP: $690.72
You Save: $226.80 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Coolant Pump, Electrical
- Replaced by: 11518635089
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2015 BMW 428i | Convertible N20 Engine(F33)

BMW 428i Water Pump

The BMW 428i Water Pump is a functional product that plays a crucial role of circulating coolants in the automobiles from the radiator to the engine to take heat produced by the burning fuel. A very accurate part of a BMW 428i is the Water Pump as it is engineered to support higher performances, often with aluminum castings as well as a crankshaft-driven rotating shaft by a belt. This design increases the efficiency of the BMW 428i; thus, the car's ability to attain 23 mpg in the city and 35 mpg on the highway. The Water Pump is responsible for the circulation of water that is used to cool the engine a very important aspect in the functionality of the car. Because the signs of a failing Water Pump, including leaks of the coolant or an overheating engine, can substantially affect the drive, the replacement is essential. The BMW 428i Water Pump fits on different models of 428i series, from coupe to convertible and even the gran coupe, which makes the possibility of getting improved functionality for all users. BMW 428i Water Pump has distinguishing additional possibilities, for instance, electric Water Pumps providing independent coolant circulation and cooling after the engine stop. Given the BMW 428i Water Pump is an original equipment part aligned to the highest standards of quality that provides top performance and a range of features enthusiasts might need, it is justifiably noticed in the market.

If you are looking for OEM BMW 428i Water Pump, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 428i Water Pump that come backed by the manufacturer's warranty.

BMW 428i Water Pump Parts Questions & Experts Answers

Electric Coolant Water Pump
11518635089
Q: How to safely remove and reinstall the Water Pump on N20, N26, and N55 engines on BMW 428i?
A:
First, lift the vehicle and secure it with jack stands. Next, take off the splash shield underneath the engine. For RWD Vehicles, unfasten the screws and remove the cover. For the N20 and N26 engines, detaching the coolant hoses from the Water Pump after removing the fasteners and loosening the hose clamps and detaching the Water Pump. Unlock and detach the electrical connection then remove fastener and take out Water Pump. If the Water Pump has to be reused, immediately after removal fill it up to the brim with fifty percent antifreeze and fifty percent distilled water and plug all openings to prevent contamination. To remove the Water Pump from the side of the engine, the electrical connector at the front of the Water Pump needs to be disconnected, along with releasing the clamps from the hoses and removing the bolts. The installation process is simply the reverse of that for removal, making sure to manually rotate the Water Pump impeller through one full revolution before installation, align the hose clamps with the marks on the hoses, refill and bleed the cooling system and check for leaks.