How to remove and install the Cooling Fan Assembly and viscous coupling on BMW Z4?

Remove the expansion rivets and cooling ducts from the fan shroud. Also, disconnect the electrical connectors and release the shroud. Remove the retaining bolts to separate the fan from the coupling, noting the fan's direction. You can reinstall the fan to the coupling. Screw the fan onto the water pump and tighten the hub nut.

Genuine BMW Z4 Cooling Fan Assembly

Engine Cooling Fan

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Series

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

7 Cooling Fan Assemblys found

View related parts
BMW Z4 Cooling Fan
Part Number: 17427519704
$629.65 MSRP: $823.85
You Save: $194.20 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Housing With Fan; Fan Assembly, Fan Blade
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
View related parts
BMW Z4 Engine Cooling Fan Assembly
Part Number: 17427542912
$828.05 MSRP: $1021.53
You Save: $193.48 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Housing With Fan; Fan & Motor, Fan Assembly, Fan Blade
- Replaces: 17-42-7-514-104
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2005 BMW Z4 | 2.5i(E85), 3.0i(E85)
View related parts
BMW Z4 Cooling Fan
Part Number: 17117590699
$642.57 MSRP: $895.00
You Save: $252.43 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Housing With Fan; Fan & Motor, Fan Assembly, Fan Shroud
- Replaces: 17-42-7-523-259
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2011 BMW Z4 | sDrive30i(E89)
View related parts
BMW Z4 Radiator Cooling Fan Motor
Part Number: 17427545366
$1213.94 MSRP: $1455.99
You Save: $242.05 (17%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Housing With Fan; Fan Blade, Fan Motor
- Replaced by: 17425A3F109
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2016 BMW Z4 | sDrive28i(E89), sDrive35i(E89), sDrive35is(E89)
View related parts
BMW Z4 Cooling Fan
Part Number: 17427523259
$642.57 MSRP: $895.00
You Save: $252.43 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Housing With Fan
- Replaced by: 17117590699
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2011 BMW Z4 | sDrive30i(E89)
View related parts
BMW Z4 Fan Housing With Fan
Part Number: 17428666818
$958.78 MSRP: $1335.42
You Save: $376.64 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cooling Fan, Fan & Motor, Fan Assembly, Fan Module
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2025 BMW Z4 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, M40i(G29), sDrive30i(G29)
View related parts
BMW Z4 Fan Housing
Part Number: 17427514104
$828.05 MSRP: $1021.53
You Save: $193.48 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Housing With Fan
- Replaced by: 17427542912
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2005 BMW Z4 | 2.5i(E85), 3.0i(E85)

BMW Z4 Cooling Fan Assembly

The BMW Z4 Cooling Fan Assembly aids in keeping engine temperatures in check by forcing air through the radiator when natural airflow is restricted. Mounted adjacent to the radiator on BMW roadsters, the Cooling Fan Assembly utilizes a shrouded blade and integrated motor to draw cool air across the fins and absorb heat from the circulating coolant. This prevents engine overheating in traffic jams or when stopped. Early Z4 models applied a belt-driven mechanical radiator fan that spooled up in proportion to engine speed, just like many of its contemporaries. Later BMW Z4 generations were upgraded to an electric Cooling Fan Assembly that switches on as needed by the onboard temperature sensors. Importantly, electric fan assemblies provide efficient steady airflow even with the engine at low rpm. Any improvements in cooling efficiency will also improve fuel efficiency. The main difference between the mechanical and electric styles is the drive source and the efficiency benefits. Also, the modern Cooling Fan Assembly has lower noise and lower parasitic drag on the engine. Each Cooling Fan Assembly, irrespective of variant, ensures optimum engine performance, reliability, and longevity through rapid heat dissipation.

If you are looking for OEM BMW Z4 Cooling Fan Assembly, 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 Z4 Cooling Fan Assembly that come backed by the manufacturer's warranty.

BMW Z4 Cooling Fan Assembly Parts Questions & Experts Answers

Cooling Fan
17427519704
Q:
How to remove and install the Cooling Fan Assembly and viscous coupling on BMW Z4?
Posted by Fotis P.
A:
Remove the expansion rivets and cooling ducts from the Fan Shroud. Also, disconnect the electrical connectors and release the shroud. Remove the retaining bolts to separate the fan from the coupling, noting the fan's direction. You can reinstall the fan to the coupling. Screw the fan onto the Water Pump and tighten the hub nut.
Answered by BMW Parts Specialist Noah / Jan 03, 2026