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BMW E46 Engine Fans & Fan Clutches

BMW E46 Engine Fans & Fan Clutches BMW cooling fans are one of two types - engine mounted mechanical and full electric (not driven by the engine). As the fan spins it draws air from the front of the car, pulls it through the radiator (where the air cools the water vanes in the radiator), and then directs the airflow over and around the engine. The faster you drive the car, the faster air is being drawn through the radiator. But at idle or in traffic, and especially warm days, the lack of airflow could lead to overheating if your fan is malfunctioning. The fan should always be spinning fast. A fan that barely spins at all is a sign of a failed fan clutch and should be replaced right away. The clutch is mounted in the fan and can be replaced on its own. The actual fan rarely goes bad unless one of the blades is damaged. Electric fans require a complete replacement if it's not working (the motor cannot be replaced separately).
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OEM Febi Auxiliary Fan Switch The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary.
Febi
Part #: 13621433077
Price: $14.61 (USD) 
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Electric Engine Fan - E46 323i 325i 325i 330i - Manual Transmission This electric engine fan, manufactured by Behr, mounts between the engine and the radiator. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause. This item is also called an Auxiliary Fan.
 Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi - only for cars with manual transmission!
Mahle-Behr
Part #: 17117561757
Price: $229.95 (USD) 
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N15 Design Electric Fan Mount - With AUX Controller Mount - E46 M3

Made from 6016 aluminum, perfect for replacing OE mechanical fan with electric one, these brackets are compatible with all 16" SPAL fans or similar sized fans.   

Kit includes mounting bracket for OE AUX fan controller.

N15 Design
Part #: E46M3FANMOUNTAUX
Price: $139.00 (USD) 
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N15 Design Electric Fan Mount - E46 M3

Made from 6016 aluminum, perfect for replacing OE mechanical fan with electric one, these brackets are compatible with all 16" SPAL fans or similar sized fans.   

For vehicles with after market fan controllers. 

N15 Design
Part #: E46.M3FANMOUNT
Price: $125.00 (USD) 
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Electric Auxiliary Fan - E46 323I 325I 328I 330I This electric auxiliary fan for BMW E46 3 Series mounts in front of the radiator and is designed to push air through the A/C Condenser and main radiator. It provides additional cooling for when the car is in traffic. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause.

NOTE: This is the fan that mounts in front of the radiator. It is not the electric engine fan that mounts between the radiator and engine.

This item fits the following BMWs:
1999-2006 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
Genuine BMW
Part #: 64546988913
Price: $495.54 (USD) 
$576.37 (14% off MSRP)
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Engine Fan - 11 Blades, 420mm - Many 6 Cylinders This fan is driven by the serpentine belt, engaged by the fan clutch. If you have bad motor mounts, it's quite common for the blades of this fan to make contact with the radiator or radiator shroud, essentially self-destructing the fan into many peices. Be sure to get a new fan clutch, while you are replacing this. 
With more than 4,000 European vehicle replacement parts, URO is no stranger to the market. Superior metal stock and extremely strict quality control are at the forefront of URO’s agenda and it shows as they become the OE supplier for more and more car companies every single day.

This fan fits many 6 cylinder BMWs, including the following:

1989-1994 E32 735i/iL
1991-1995 E34 525i, 535i, M5
1992-1999 E36 3 series with 6 cylinder engine (M3, 325, 328, 323)
1997-2002 Z3 2.3, 2.5, 2.8, 3.0, and MZ3 3.2 (S52)
1997-2003 E39 5 series, 525i, 528i, 530i
1999-2000 E46 3 series 323i/Ci, 328i/Ci
2001-2005 E46 3 series WITH AUTOMATIC TRANSMISSION ONLY
2001-2006 E46 M3 (all):
2001-2006 X5 3.0i
URO
Part #: 11521712058
Price: $19.95 (USD) 
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E46 Non-M Mishimoto Electric Fan And Shroud Upgrade

This electric fan for the E46 takes the place of the stock engine-mounted fan and offers several advantages -

  • more horsepower by removing parasitic drag
  • customizable temp control (with optional fan controller)
  • frame included for a direct fit
  • more reliable than a stock-style fan clutch

The stock engine fan is mounted on the water pump shaft and spins with the engine. Torque from the engine is used to spin the fan, which could otherwise be used to power the car. It's not a lot of lost power and torque - Mishimoto measured a max gain of 6whp - but sometimes every little bit helps. And the other advantages of an electric fan make it a smart move.

The Mishimoto electric fan uses a 16" slim profile electric fan that flows at 1,850 cubic feet per minute (CFM). The shroud and frame are black powedercoated steel and mounts to existing points on the radiator for a seemless install. Mishimoto has confirmed fitment with stock radiators as well as their own Performance and X-Line aluminum radiators. Hardware and instructions are included.

An electric fan must be powered by a 12v source. A fan controller kit is optional and is activated by coolant temp. This is the preferred setup method but other types of controls may also be used. There are two styles of Mishimoto fan controllers - a sensor located in a 1/8" NPT plug or as a 6" probe inserted between the fins on the radiator. For BMW applications, the NPT plug is usually the best and Mishimoto has this port built into their radiator designs (most other aluminum radiators do as well). For the E46, Mishimoto has a dedicated wiring harness with the optional controller that takes power from the factory fuse panel.

Mishimoto
Part #: MMFS-E46-99
Price: $245.00 (USD) 
Ships on Aug 14, 2018
Fan Clutch - E46 M3, MZ3 S54, E34 535i M5, E32 735i

This OEM Hella engine fan clutch fits BMW E46 M3, Z3 M Roadster, M Coupe 2001-2002, E34 535i & M5, and E32 735i 735il. Made to the same or higher standards of quality as the genuine part, ensuring proper fan control and cooling. Failed fan clutches can result in overheating due to the fan not spinning fast enough to deal with excess heat or can cause poor engine performance when a clutch has locked up causing the fan to be fully engaged permanently.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMWs:
2001-2006 E46 BMW M3
1989-1993 E34 BMW 535i M5
1988-1992 E32 BMW 735i 735il
2001-2002 Z3 BMW M Roadster M Roadster

Mahle-Behr
Part #: 11527831619
Price: $84.46 (USD) 
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Fan Clutch - E36 E46 E39 E34 X5 & other 6 Cylinders This clutch engages the belt-driven engine fan when the engine is warm/hot, and dis-engages the fan when cold/cool. These commonly fail, causing the engine fan to not spin fast enough (or at all) when your car is stopped in traffic, causing engine to overheat.

This fan clutch fits many 6 cylinder BMWs, including the following::

1992-1998  E36 BMW  323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005  E46 BMW  323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi - Automatic Transmission
1991-1995  E34 BMW  525i 535i M5
1997-2003  E39 BMW  525i 528i 530i
1988-1994  E32 BMW  735i 735il
1997-2002  Z3 BMW  Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1998-2000  Z3 BMW  M Roadster M Coupe (s52)
2000-2006  E53 BMW  X5 3.0i
Mahle-Behr
Part #: 11527505302
Price: $88.54 (USD) 
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