BMW Cooling System Parts & Accessories for BMW E46 M3 S54 (1999-2005)

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The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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Genuine BMW - Corporate Logo
T#:1474
Part#: 82141467704
In Stock
6% off MSRP $ 28.29

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$ 26.63 USD
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6% off MSRP
$ 28.29

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 26.63 USD
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The use of Original BMW Anti-Freeze/Coolant will ensure sufficient cooling in summer and protection against freeze-ups in winter. BMW Antifreeze/Coolant will also guard your vehicle's various engine components against corrosion.
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Genuine BMW - Corporate Logo
T#:367843
Part#: 13621433076
In Stock
16% off MSRP $ 66.05

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 55.45 USD
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16% off MSRP
$ 66.05

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 55.45 USD
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Genuine BMW - Corporate Logo
T#:207187
Part#: 17117639022
In Stock
21% off MSRP $ 34.96

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.67 USD
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21% off MSRP
$ 34.96

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.67 USD
Free Shipping on orders $49 and up


Genuine BMW Radiator Cap - 2,0Bar
This item fits the following BMW Chassis:
E36 M3,E39 M5,E46 M3,E85 Z4M,E53 48IS,E36,E38,E39,E46,E53 X5,E65,E83 X3,E85 Z4,E86 Z4,F06,F10,F12,F13

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Genuine BMW Auxiliary Fan Switch
Mounted in upper radiator hose, controls operation of auxiliary fan
Genuine BMW - Corporate Logo
T#:341058
Part#: 13621433077
In Stock
16% off MSRP $ 66.05

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 55.55 USD
Free Shipping on orders $49 and up
16% off MSRP
$ 66.05

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 55.55 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:12466
Part#: 11517831099
In Stock
14% off MSRP $ 41.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 36.13 USD
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14% off MSRP
$ 41.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 36.13 USD
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Steel water pump gasket for your Z3 / M3
Genuine BMW - Corporate Logo
T#:13185
Part#: 17112283344
In Stock
7% off MSRP $ 215.23

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 199.98 USD
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7% off MSRP
$ 215.23

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 199.98 USD
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This radiator coolant reservoir/expansion tank for E46 M3 is a common failure item as the plastic weakens over time and stress crack will lead to coolant leaks. If your car has over 80k miles and hasn't had one of these replaced, we highly recommend it during your next major service. We have found that the aftermarket coolant reservoirs fail easier than the original BMW piece so we only offer the BMW type on this part.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
2001-2006 E46 BMW M3
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Race German - Corporate Logo
T#:6827887
Part#: RGCTSAM12
Ships in 2 Business Days
$ 35.99 USD
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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for M12x1.5 sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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Genuine BMW - Corporate Logo
T#:12482
Part#: 17112229053
In Stock
1% off MSRP $ 96.35

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 95.28 USD
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1% off MSRP
$ 96.35

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 95.28 USD
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This is the Genuine BMW coolant reservoir / expansion tank vent hose for E46 M3 with the S54 engine.

This item fits the following BMWs:
2001-2006 E46 BMW M3

Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
In Stock
$ 35.99 USD
Free Shipping on orders $49 and up
Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for 1/8NPT sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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Genuine BMW - Corporate Logo
T#:14119
Part#: 64216902680
In Stock
1% off MSRP $ 73.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 72.99 USD
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1% off MSRP
$ 73.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 72.99 USD
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Genuine BMW Hose F Radiator And Engine Return
This item fits the following BMW Chassis:
E46 M3,E46

Genuine BMW - Corporate Logo
T#:12502
Part#: 11531318274
In Stock
16% off MSRP $ 147.44

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 123.15 USD
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16% off MSRP
$ 147.44

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 123.15 USD
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GENUINE BMW THERMOSTAT - E46 M3, MZ3 (S54), MZ4. This is just the thermostat itself and does not include the housing o-ring or any others that are advised for replacement. See thermostat kit or our water pump kit for a complete package.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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Genuine BMW - Corporate Logo
T#:21734
Part#: 17111436264
Ships in 4 Business Days
4% off MSRP $ 24.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 23.99 USD
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4% off MSRP
$ 24.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 23.99 USD
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Genuine BMW Bracket F.Radiator
This item fits the following BMW Chassis:
E46 M3,E46,E85 Z4

Fits BMW Engines including:
M52,M54,M56,S54



Genuine BMW - Corporate Logo
T#:2303
Part#: 11531318274-K
Ships in 2 Business Days
$ 148.76 USD
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$ 148.76 USD
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Replacement stock thermostat for E46 M3, Z3M w S54 engine, Z4M.The thermostat can be replaced on the E46 M3 without removing the water pump. This can save you money if the pump still has life left on it but the thermostat needs to be done now. Symptoms of a bad thermostat include an erratic temp gauge and a fault code. When replacing the thermostat, there are three o-rings that will likely need to be replaced between the thermostat and the water pump housing, and two on the coolant tube going to the head. We also recommend new hoses, clamps, and BMW coolant. Replacement should take about one hour.

Note: even though this can be done without replacing the water pump, the job involves removing the same items to access this area. And opening the thermostat housing will spill a lot of coolant. In other words, if you don't replace the water pump at the same time, you're going to repeat this process when the pump needs replacing. We offer a complete water pump overhaul package that covers everything you need if you want to it all at once. You can the thermostat to that package and get everything without any duplicate parts. Click here for the E46 M3 water pump kit.

On S54 engines (E46 M3, MZ3, Z4 M) there is a flanged head bolt going into the cylinder head, behind the thermostat cover. This holds the left side timing chain guide rail in place and if it's loose or falls out you could have a very serious engine failure to deal with. Make sure to check this bolt while you have the thermostat cover off. You only need to make sure it's tight. But if it's come loose you may want to replace the seal ring and use a small touch of oil-resistant thread sealer.

This item fits the following BMWs:
2000-2001 E46 3 Series M3 M3 Convertible 2000-2006
2001-2002 Z3 Roadster / Coupe Z3 M Roadster Z3 M Coupe w S54 Engine
2006-2008 E86 E86 Z4 Z4 M Roadster Z4 M Coupe
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Genuine BMW - Corporate Logo
T#:11239
Part#: 71111179522
Ships in 4 Business Days
4% off MSRP $ 47.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 45.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 47.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 45.99 USD
Free Shipping on orders $49 and up
Missing a tool from your trunk mounted tool kit? Replace your missing water pump pliers with this Genuine BMW part. Having a complete tool kit is handy for quick repairs or it can save you in case of roadside failures. Also a complete tool kitis must when selling a car. If the tool kit is missing parts, what else has been neglected on the car?

This item fits the following BMWs:
1970-1976 2002 BMW 1600 2002 2002tii
1977-1983 E21 BMW 320i
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
1976-1978 E12 BMW 530i
1982-1988 E28 BMW 528e
1989-1995 E34 BMW 525i 530i 535i 540i M5
1997-2003 E39 BMW 525i 528i 530i 540i M5
1988-1994 E32 BMW 735i 735il 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
1996-2000 Z3 BMW M Roadster M Coupe
2000-2003 E52 BMW Z8 Roadster
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Genuine BMW - Corporate Logo
T#:13013
Part#: 11537830711
Ships Today
Sale - Save 5% $ 154.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 147.10 USD
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Sale - Save 5%
$ 154.99

This product was last offered at the strikethrough price on
06-25-2026

$ 147.10 USD
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Genuine BMW Pipe
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54


Genuine BMW - Corporate Logo
T#:360696
Part#: 11537830716
Ships in 4 Business Days
$ 65.99 USD
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$ 65.99 USD
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Genuine BMW - Corporate Logo
T#:360695
Part#: 11537830715
Ships in 4 Business Days
$ 64.99 USD
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$ 64.99 USD
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Genuine BMW - Corporate Logo
T#:45806
Part#: 17112228943
Ships Today
3% off MSRP $ 156.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 152.99 USD
3% off MSRP
$ 156.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 152.99 USD


Genuine BMW Fan Shroud
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54


Genuine BMW - Corporate Logo
T#:21736
Part#: 17117514402
Ships in 4 Business Days
7% off MSRP $ 28.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 26.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 28.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 26.99 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket F.Radiator
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E53 48IS,E46,E53 X5 X5,E65,E83 X3,E85 Z4,E86 Z4,E90,E92,E93

Genuine BMW - Corporate Logo
T#:46115
Part#: 17121719356
Ships in 6 Business Days
3% off MSRP $ 31.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 30.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 31.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 30.99 USD
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Genuine BMW Cap
This item fits the following BMW Chassis:
E46 M3,E30,E46

Fits BMW Engines including:
M20,S54,S62


Genuine BMW - Corporate Logo
T#:360662
Part#: 11521712058
Back Ordered
6% off MSRP $ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 98.99 USD
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6% off MSRP
$ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 98.99 USD
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Genuine BMW - Corporate Logo
T#:150726
Part#: 64216902679
In Stock
3% off MSRP $ 35.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 34.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 35.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 34.99 USD
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Genuine BMW Hose F Water Valve And Radiator
This item fits the following BMW Chassis:
E46 M3,E46

Advanced Auto Fabrication - Corporate Logo
T#:7624640
Part#: 116223
Ships in 3 Business Days
$ 190.00 USD
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$ 190.00 USD
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Since 2010, Advanced Auto Fabrication has been producing and developing both parts and full fledged race cars. Their knowledge base covers a wide range of vehicles both domestic and imported. In the specific case of BMW, the team at AAF has a particular affinity for building and designing components for BMW race cars. Ideal for the SE46 racing series, the AAF E46 6-speed Transmission Crossmember is a heavy-duty and worthwhile upgrade. The OEM thin cast aluminum cross member has been known to fail in multiple different ways. When using stiff engine and transmission mounts, the cross member can crack out and break around these mounting points. The cross member can also break from the high amounts of load transferred through the drive train. While chassis flex from hard cornering is being applied through the engine and transmission from the front cross member, this load is sent from the transmission back into the chassis at the transmission cross member. This is simply too much stress for the OEM cross member to hold up to under the extreme punishment of road racing. The AAF E46 Transmission Cross Member is completely constructed of 1/4' thick heavy-duty aluminum plate. It is designed specifically to cope with hours of endurance racing.
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Genuine BMW - Corporate Logo
T#:12524
Part#: 32412282353
Ships in 4 Business Days
2% off MSRP $ 280.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 274.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 280.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 274.99 USD
Free Shipping on orders $49 and up


Genuine BMW Radiator Return Line
This item fits the following BMW Chassis:
E46 M3,E46



Genuine BMW - Corporate Logo
T#:367654
Part#: 11527831619
Ships in 4 Business Days
3% off MSRP $ 401.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 388.99 USD
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3% off MSRP
$ 401.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 388.99 USD
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Ensure optimal engine cooling for your BMW with this Fan Clutch, designed to adapt the fan speed based on the engine's rotational speed. Perfect for city driving and traffic, this fan clutch minimizes rotational load and drag when cooling is not critical.

  • Compatible with various BMW models
  • Adjusts fan speed based on engine rotational speed
  • Ideal for city driving and traffic conditions
  • Reduces rotational load and drag when cooling is not critical
  • Enhances engine cooling efficiency
  • Suitable for vehicles with mechanical fans
  • Easy solution for vehicles running hot in traffic

Upgrade your BMW's cooling system with this Fan Clutch, ensuring a cool and efficient engine performance, especially during city driving and traffic stops.

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Genuine BMW - Corporate Logo
T#:36149
Part#: 11537830710
Ships in 6 Business Days
4% off MSRP $ 76.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 73.99 USD
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4% off MSRP
$ 76.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 73.99 USD
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Genuine BMW Pipe
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Genuine BMW - Corporate Logo
T#:13727086
Part#: 17115A7DEF2
Ships in 4 Business Days
6% off MSRP $ 756.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 713.99 USD
6% off MSRP
$ 756.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 713.99 USD
More than likely, you are going to replace the radiator in your vehicle at least once. The joints where the cores meet the end tanks tend to get weak and are the first place to spring a leak. Impacts to the fins themselves can cause holes to form. Corrosion and clogging from the inside can make cooling less than effective and compromise coolant flow. Replace your leaking unit with a factory replacement and get that jug of coolant out of your back seat. This is a factory original style radiator from Genuine BMW and will fit perfectly into the stock location. Cooling will be identical to what your car came with originally. A great replacement with all the proper connections and in all of the proper locations. When doing radiator and cooling service, you will obviously lose coolant. Browse through the cooling section of your model to see factory correct coolants, seals, and caps. Before beginning, check your hoses to make sure everything is in good shape.
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Genuine BMW - Corporate Logo
T#:14858
Part#: 12521741900
Ships in 4 Business Days
6% off MSRP $ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 77.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 82.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 77.99 USD
Free Shipping on orders $49 and up


Genuine BMW Temperature Switch - 35 Cel
This item fits the following BMW Chassis:
E39 M5,E46 M3,E38,E39,E46,E53 X5 X5,E85 Z4

Fits BMW Engines including:
M52,M54,M56,M60,M62,M73,M73N,S54,S62

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Genuine BMW - Corporate Logo
T#:150725
Part#: 64216902678
Ships in 4 Business Days
2% off MSRP $ 55.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 55.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 54.99 USD
Free Shipping on orders $49 and up


Genuine BMW Hose F Engine Inlet And Water Valve
This item fits the following BMW Chassis:
E46 M3,E46

Genuine BMW - Corporate Logo
T#:20181
Part#: 64546988914
Ships in 6 Business Days
2% off MSRP $ 938.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 915.99 USD
2% off MSRP
$ 938.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 915.99 USD
This electric auxiliary fan for BMW E46 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.

Genuine BMW Pusher Fan
This item fits the following BMW Chassis:
E46 M3,E46

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Genuine BMW - Corporate Logo
T#:55245856
Part#: 0711990XXKTKT
Ships in 6 Business Days
New Item
$ 35.31 USD
Free Shipping on orders $49 and up
Turner Motorsport offers this Genuine BMW Hex Bolt and Washer Kit to keep your chassis maintenance or engine refresh completely up to factory standard.
Genuine BMW - Corporate Logo
T#:3459
Part#: 11511310640
In Stock
$ 17.99 USD
Free Shipping on orders $49 and up
This BMW Motorsport part was designed for BMW touring car racing. This reverse thread nut covers the ugly exposed stud when you remove your engine fan and fan clutch. This simple part cleans up the look of an engine with the fan removed. Fits most BMW models. COOL!
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Genuine BMW - Corporate Logo
T#:11526
Part#: 82142209769
In Stock
$ 10.60 USD
Free Shipping on orders $49 and up
This 1 liter bottle is perfect for topping of the coolant in your BMW. This is The use of Original BMW Anti-Freeze/Coolant will ensure sufficient cooling in summer and protection against freeze-ups in winter. BMW Antifreeze/Coolant will also guard your vehicle's various engine components against corrosion. BMW Anti-Freeze/ Coolant will prevent excessive silicate gel precipitation, which may cause plugging of the cooling system and lead to more extensive repairs.
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Genuine BMW - Corporate Logo
T#:13012
Part#: 11537830709
In Stock
$ 6.99 USD
Free Shipping on orders $49 and up

Ensure your BMW remains leak-free by replacing all associated O-Rings when replacing the water pump. If experiencing leaks, inspect these rings for wear and tear. This O-Ring is specifically used on the return pipe to the thermostat housing.

  • Prevents leaks for enhanced car performance
  • Essential for maintaining a leak-free system
  • Inspects and replaces worn O-Rings for optimal functionality
  • Compatible with BMW models for hassle-free installation
GENUINE BMW O-RING:11709521.--

This item fits the following BMWs:
BMW M Series - M3, M3 Convertible
BMW Z Series - Z4 M Coupe, Z4 M Roadster

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Genuine BMW - Corporate Logo
T#:7432
Part#: 17111712788
Ships Today
$ 5.94 USD
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This is the Genuine BMW Coolant bleeder screw. We recommend a heavy duty Aluminum replacement from ECS Tuning if you do not want to replace this part again when it fails.


Genuine BMW Vent Screw
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E53 48IS,E30,E34,E36,E38,E39,E46,E53 X5 X5,E83 X3,E85 Z4,E86 Z4,E90
 

 

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Genuine BMW - Corporate Logo
T#:367933
Part#: 17222245358
In Stock
$ 3.99 USD
Free Shipping on orders $49 and up

Upgrade your BMW's oil or transmission cooling system with the Turner Motorsport Genuine O-Ring, part number 17222245358. This high-quality O-ring is designed to provide a reliable seal, ensuring optimal performance and preventing leaks in your BMW's vital systems. Additionally, it is compatible with MINI applications, where it is commonly used on the end of the parking brake cable.

  • Genuine BMW part for guaranteed quality and compatibility
  • Prevents leaks in the oil and transmission cooling systems
  • Ensures optimal performance of vital components
  • Compatible with MINI applications for versatile use
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Genuine BMW - Corporate Logo
T#:6533
Part#: 07129952104
In Stock
$ 3.99 USD
Free Shipping on orders $49 and up
GENUINE BMW HOSE CLAMP 07129952104
Meyle Expansion Tank Cap
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:579357
Part#: 3148009004
In Stock
Sale - Save 40% $ 14.99

This product was last offered at the strikethrough price on
05-15-2026

$ 8.99 USD
Free Shipping on orders $49 and up
Sale - Save 40%
$ 14.99

This product was last offered at the strikethrough price on
05-15-2026

$ 8.99 USD
Free Shipping on orders $49 and up
Replace worn or missing pieces.
Genuine BMW - Corporate Logo
T#:7436
Part#: 17111712963
In Stock
$ 1.99 USD
Free Shipping on orders $49 and up
The most common use for this rivet is to secure the radiator fan shroud to the radiator. This rivet can also be used on a wide variety of other applications as well.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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Genuine BMW - Corporate Logo
T#:55209926
Part#: 0071199KT
In Stock
New Item
$ 7.94 USD
Free Shipping on orders $49 and up
This Genuine BMW water pump installation hardware kit is the exact factory refresh package needed to maintain the structural integrity of your cooling system's plumbing.

Genuine BMW - Corporate Logo
T#:55281750
Part#: 1722OCLKT
Ships in 4 Business Days
New Item
$ 20.60 USD
Free Shipping on orders $49 and up
This Genuine BMW Oil Cooler Line O-Ring & Screw Kit includes the exact factory components required to safely service your oil cooler hard lines.
Genuine BMW - Corporate Logo
T#:45829
Part#: 17112282209
Ships in 10 Business Days
$ 13.99 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket, Fan Housing
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54


Fluid Level Sensor
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Meyle - Corporate Logo
T#:5973204
Part#: 17117546548
Special Order: No Guaranteed ETA
$ 13.99 USD
Free Shipping on orders $49 and up
MEYLE-ORIGINAL: True to OE fluid level sensor. Used in multiple locations. Wulf Gaertner Autoparts AG manufactures and markets automotive spare parts under its MEYLE brand. Since its foundation in 1958, Wulf Gaertner Autoparts has been an owner-operated, unlisted family business on the aftermarket scene. Since 1995, Wulf Gaertner Autoparts AG has been manufacturing and trading under its MEYLE brand. They pride themselves on top-grade quality-tested spare parts for passenger cars, vans and commercial vehicles. Comparable OE Cross Reference - 17117546548
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Auxillary Fan Switch
Mounted in upper radiator hose, controls operation of auxiliary fan
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Meyle - Corporate Logo
T#:4934936
Part#: 3148210000
Special Order: No Guaranteed ETA
$ 18.99 USD
Free Shipping on orders $49 and up
$ 18.99 USD
Free Shipping on orders $49 and up
The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary. Also known as the coolant temperature sending unit, comes with related o-ring
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Coolant Flange - Rear/Engine Block
Fits European models only
Meyle - Corporate Logo
T#:55533481
Part#: 11531708808
Special Order: No Guaranteed ETA
New Item
$ 9.99 USD
Free Shipping on orders $49 and up
$ 9.99 USD
Free Shipping on orders $49 and up
This Meyle Original-grade replacement coolant flange is the perfect solution for refreshing your BMW’s cooling plumbing back to factory-fresh operation.