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BMW Cooling System Parts & Accessories

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
7% off MSRP $ 29.95

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

$ 27.97 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 29.95

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

$ 27.97 USD
Free Shipping on orders $49 and up
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#:600648
Part#: 83192468442
In Stock
$ 35.95 USD
Free Shipping on orders $49 and up
Ensure optimal cooling for your BMW with Genuine BMW Coolant, providing the quality and performance your vehicle deserves. When it comes to maintaining your BMW, replacing old or worn-out parts with factory replacements is essential, and fluids are no exception. Experience the benefits of Genuine BMW Coolant: Specially designed for BMW vehicles. Factory replacement for optimal performance. Addresses flaws in the factory cooling system. Prevents antifreeze loss in both cold and hot weather. Recognizable green color for easy identification. BMW HT-12 can be used in any vehicle that currently contains G48 coolant (blue), but G48 should not continue to be used in vehicles that were originally filled with HT-12. (see compatibility image) This HT-12 Antifreeze/Coolant is exclusively formulated and produced for BMW to protect your engine year-round when used as directed. It fulfills the very high standards and requirements set by BMW to help protect the engine against freezing, boil over, corrosion, and excessive silicate gel precipitation. This ethylene glycol-based antifreeze contains no nitrites or phosphate, greatly reducing the possibility of harmful deposit formation. BMW antifreeze provides protection for metals such as cast iron, steel, and aluminum.
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Genuine BMW - Corporate Logo
T#:19454
Part#: 17117639020
In Stock
22% 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.

$ 27.27 USD
Free Shipping on orders $49 and up
22% 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.

$ 27.27 USD
Free Shipping on orders $49 and up
This radiator expansion tank cap is used most BMW's from 2006+. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.

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:
2008-2013 E82 BMW 128i 135i 135is 1M Coupe
2014+ F22 BMW 228i 228i xDrive M235i M235i xDrive
2012+ F30 BMW 320i 320i xDrive 328d 328d xDrive 328i 328i xDrive 335i 335i xDrive - Sedan
2013+ F31 BMW 328i xDrive 328d xDrive - Wagon
2014+ F34 BMW 328i xDrive GT, 335i xDrive GT - Gran Tourismo
2013+ F32 BMW 428i 428i xDrive 435i 435i xDrive - Coupe
2013+ F33 BMW 428i Convertible 428i xDrive Convertible 435i Convertible 435i xDrive Convertible- Convertible
2014+ F36 BMW 428i Gran Coupe 428i xDrive Gran Coupe 435i Gran Coupe 435i xDrive Gran Coupe
2014+ F07 BMW 535i GT, 535i xDrive GT
2012+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive
2011+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive
2012+ F12 BMW 640i 640i xDrive 650i 650i xDrive
2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe 650i Gran Coupe 650i xDrive Gran Coupe
2009+ F01 BMW 740i 740li 740li xDrive 740ld xDrive 750i 750li 750i xDrive 750li xDrive 760li
2013+ E84 BMW X1 sDrive28i X1 xDrive28i X1 xDrive35i
2011+ F25 BMW X3 xDrive28i X3 xDrive28d X3 xDrive35i
2015+ F26 BMW X4 xDrive28i X4 xDrive35i
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i X5 xDrive50i X5M
2014+ F15 BMW X5 sDrive35i X5 xDrive35d X5 xDrive35i X5 xDrive50i
2008-2014 E71 BMW X6 xDrive35i X6 xDrive50i X6M
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Genuine BMW - Corporate Logo
T#:7257
Part#: 13621703993
In Stock
8% off MSRP $ 41.78

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

$ 38.33 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 41.78

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

$ 38.33 USD
Free Shipping on orders $49 and up
This is the coolant temperature sensor used in many BMW models from the mid-1990s to the mid-2000s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer.

This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement.

This coolant temp sensor fits the following BMWs:
1996-1999 E36 BMW 323is 323ic 328i 328is 328ic M3, located in cylinder head
1999-2003 E39 BMW 540i, located on side of water pump
1999-2001 E38 BMW 740i 740il, located on side of water pump
1995-1996 E38 BMW 750il, located on side of water pump
1990-1999 E31 BMW 850i 850ci, located on side of water pump
2000-2006 E53 BMW X5 3.0i, located in cylinder head
2000-2006 E53 BMW X5 4.4i/4.6is/4.8is, located on side of water pump
1997-2002 Z3 BMW Z3 2.5i Z3 3.0i, located in cylinder head
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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
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.

$ 55.45 USD
Free Shipping on orders $49 and up
Rein Aluminum Coolant Hose Flange - E82, E88, E90, E91, E92, E93 ...
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:593535
Part#: CHC0609
In Stock
$ 36.06 USD
Free Shipping on orders $49 and up
Made from high-strength aluminum vs the OEM plastic prone to failure.

Rein - Corporate Logo
T#:33679696
Part#: 11118511205
In Stock
$ 50.99 USD
Free Shipping on orders $49 and up
$ 50.99 USD
Free Shipping on orders $49 and up
Plastic coolant flanges become brittle over time, which can cause them to crack and fail. Prevent overheating and coolant loss with this OEM Rein upgraded aluminum coolant flange.
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
Free Shipping on orders $49 and up
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 - Corporate Logo
T#:15238
Part#: 23127602815
In Stock
7% off MSRP $ 24.30

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

$ 22.65 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 24.30

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

$ 22.65 USD
Free Shipping on orders $49 and up


Genuine BMW Screw Plug - M18X1,5X12
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E85 Z4,E89 Z4,E90,E92,E93,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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Genuine BMW - Corporate Logo
T#:194502
Part#: 17117639021
In Stock
22% 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.

$ 27.29 USD
Free Shipping on orders $49 and up
22% 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.

$ 27.29 USD
Free Shipping on orders $49 and up
This radiator expansion tank cap is used most BMW's from 2006+. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.
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Upper Radiator Hose - E9x E82 E89 With N52 Engine
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:7460
Part#: 17127531579
In Stock
$ 44.99 USD
Free Shipping on orders $49 and up
This is the upper radiator hose that goes from the engine to the top of the radiator with either N51 or N52 enigne.

This item fits the following BMWs:
2008+ E82 BMW 128i
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i Convertible
2009+ Z4 BMW Z4 sDrive30i
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Genuine BMW - Corporate Logo
T#:198696
Part#: 17132284600
In Stock
9% off MSRP $ 318.56

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

$ 290.92 USD
Free Shipping
9% off MSRP
$ 318.56

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

$ 290.92 USD
Free Shipping
Replace your damaged expansion tank to prevent coolant loss or potential overheating issues.


Genuine BMW - Corporate Logo
T#:4476
Part#: 17111723031
In Stock
1% off MSRP $ 108.24

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

$ 106.96 USD
Free Shipping
1% off MSRP
$ 108.24

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

$ 106.96 USD
Free Shipping
This radiator fan shroud mounts to your radiator and helps to direct airflow through the radiator. It's also the mounting point for the coolant reservoir.

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:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Roadster
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Genuine BMW - Corporate Logo
T#:46445
Part#: 17128570061
In Stock
9% off MSRP $ 54.77

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

$ 49.99 USD
Free Shipping on orders $49 and up
9% off MSRP
$ 54.77

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

$ 49.99 USD
Free Shipping on orders $49 and up

Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Genuine BMW radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMW Chassis:
F22,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N55

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OEM Rein Aluminum Coolant Flange - BMW M57 3.0L
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:45791752
Part#: 11127806196
In Stock
$ 58.99 USD
Free Shipping on orders $49 and up
Plastic coolant flanges become brittle over time, leading to cracks and coolant leaks. Upgrade to an aluminum flange to avoid this issue altogether!

OEM Rein Upper Radiator Hose - E46 M3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:2306
Part#: 11537830716
In Stock
$ 33.99

This product was last offered at the strikethrough price on
05-06-2026

$ 22.99 USD
Free Shipping on orders $49 and up
$ 22.99 USD
Free Shipping on orders $49 and up

Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the Upper radiator hose that connects the thermostat housing to the radiator.

This Upper Radiator Hose fits the following BMWs:
2001-2006 E46 3 Series M3, M3 Convertible

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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
Radiator Hose for N52 / N54 - Lower
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:388683
Part#: 17127564478
In Stock
$ 33.99 USD
Free Shipping on orders $49 and up
$ 33.99 USD
Free Shipping on orders $49 and up
Replace split, hard, or bulging hoses

Genuine BMW - Corporate Logo
T#:6939
Part#: 11531705210
In Stock
1% off MSRP $ 66.71

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

$ 66.01 USD
Free Shipping on orders $49 and up
1% off MSRP
$ 66.71

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

$ 66.01 USD
Free Shipping on orders $49 and up
This is the Genuine BMW plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine.The plastic on this hose becomes brittle over time and eventually leads to failure.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1999-2003 E39 BMW 525i 528i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i - M54 engine
2000-2006 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
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Rein - Corporate Logo
T#:38789910
Part#: CHK0940
In Stock
$ 73.99 USD
Free Shipping on orders $49 and up
$ 73.99 USD
Free Shipping on orders $49 and up
The OE plastic connector is a frequent failure point due to brittleness and cracking caused by repeated thermal cycling and hydrolysis. Hydrolysis, the breakdown of plastic or rubber by water exposure, weakens the structure over time, leading to failure. To combat these issues, Rein’s upgraded connectors are constructed from high-strength aluminum, eliminating the vulnerabilities of plastic connectors and ensuring long-term durability.
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Rein Upper Radiator Hose - E82, E88, E90, E92, E93, Z4
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:340690
Part#: 17127540127
In Stock
$ 40.99 USD
Free Shipping on orders $49 and up
The hose that comes off of the top outlet on the radiator

OEM Rein Upper Radiator Hose - E9X M3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:402115
Part#: 11537838214
In Stock
$ 31.99 USD
Free Shipping on orders $49 and up
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
Rein Water Pipe - E82, E88, E90, E91, E92, E93
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:403979
Part#: 11537545890
In Stock
$ 20.99 USD
Free Shipping on orders $49 and up
Connects from the top of the thermostat housing to the engine block
Genuine BMW - Corporate Logo
T#:360688
Part#: 11537502525
Ships in 1-2 days
$ 90.99 USD
Free Shipping
$ 90.99 USD
Free Shipping
Replace your cracked/broken coolant pipe with this Genuine BMW pipe to ensure long term reliability and perfect fitment.


Rein Radiator Hose - Upper - E46
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379786
Part#: 17127510952
In Stock
$ 26.99

This product was last offered at the strikethrough price on
09-13-2026

$ 23.90 USD
Free Shipping on orders $49 and up
$ 23.90 USD
Free Shipping on orders $49 and up
A common source of cooling system failure
Rein - Corporate Logo
T#:568810
Part#: 17127604542
In Stock
$ 45.99 USD
Free Shipping on orders $49 and up
This hose goes from the radiator to the oil cooler. After years of use and exposure to heat, the hoses in your car can dry up and crack, resulting in nasty leaks - or worse. Replace your rotted, leaking hoses before they lead to larger problems.
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Genuine BMW - Corporate Logo
T#:29699315
Part#: 17135A1BD89
In Stock
6% off MSRP $ 34.99

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

$ 32.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 34.99

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

$ 32.99 USD
Free Shipping on orders $49 and up


Genuine BMW Cover Lid
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5,E71 X6,F01,F02,F06,F10,F12,F13,F15,F16,F30,F80 M3,F82 M4,F83,i3i12


Genuine BMW - Corporate Logo
T#:360691
Part#: 11537511580
Ships Today
3% off MSRP $ 59.99

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

$ 57.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 59.99

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

$ 57.99 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:200328
Part#: 17122284686
Ships in 1-2 days
7% off MSRP $ 60.99

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

$ 56.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 60.99

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

$ 56.99 USD
Free Shipping on orders $49 and up
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
Genuine BMW - Corporate Logo
T#:568416
Part#: 11148483799
Ships in 1-2 days
7% off MSRP $ 86.99

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

$ 80.99 USD
Free Shipping
7% off MSRP
$ 86.99

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

$ 80.99 USD
Free Shipping

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
Free Shipping
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
Free Shipping
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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Genuine BMW - Corporate Logo
T#:620753
Part#: 11538650983
Ships in 1-2 days
2% off MSRP $ 106.99

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

$ 104.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 106.99

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

$ 104.99 USD
Free Shipping on orders $49 and up
Connects from the top coolant port on the water pump to the cylinder head

Genuine BMW - Corporate Logo
T#:6936
Part#: 11531436122
Ships in 1-2 days
$ 55.99 USD
Free Shipping on orders $49 and up
This is the engine coolant hose that goes from the coolant reservoir / expansion tank to the top of the radiator. When replacing any cooling component it is a good idea to check all radiator hoses and replace as necessary.

This item fits the following BMWs:
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2001-2002 Z3 BMW Z3 M Roadster M Coupe
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Heater Inlet Pipe
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:594330
Part#: 11531705210
In Stock
$ 42.39 USD
Free Shipping on orders $49 and up
This is the plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine.The plastic on this hose becomes brittle over time and eventually leads to failure.
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Genuine BMW - Corporate Logo
T#:36100
Part#: 11537598865
In Stock
16% off MSRP $ 194.95

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

$ 163.95 USD
Free Shipping
16% off MSRP
$ 194.95

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

$ 163.95 USD
Free Shipping
Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands of the engine. And cooling components are working harder than ever. Engine performance is also dependant on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively.

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:
2014+ F22 BMW M235i M235i xDrive
2014+ F23 BMW M235i
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F34 BMW 335i xDrive GT - Gran Tourismo
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
2014+ F15 BMW X5 sDrive35i X5 xDrive35i
2015+ F16 BMW X6 sDrive35i X6 xDrive35i
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Rein Radiator Hose - Upper - Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:363438
Part#: 11531716641
In Stock
$ 29.99 USD
Free Shipping on orders $49 and up
Connects the radiator to the water pump
Genuine BMW - Corporate Logo
T#:360752
Part#: 17117573781
In Stock
$ 173.21 USD
Free Shipping
$ 173.21 USD
Free Shipping
We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on.
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Genuine BMW - Corporate Logo
T#:49465
Part#: 22316760531
Ships on Nov 25, 2026
3% off MSRP $ 263.99

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

$ 254.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 263.99

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

$ 254.99 USD
Free Shipping on orders $49 and up


Genuine BMW Gearbox Support
This item fits the following BMW Chassis:
E85 Z4M,E46,E85 Z4,E86 Z4


Genuine BMW - Corporate Logo
T#:22342
Part#: 11537838219
In Stock
5% off MSRP $ 71.02

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

$ 67.79 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 71.02

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

$ 67.79 USD
Free Shipping on orders $49 and up


Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65


OEM Rein Lower Radiator Hose - E9X M3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:387713
Part#: 11537840661
In Stock
$ 50.99 USD
Free Shipping on orders $49 and up
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
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
Free Shipping on orders $49 and up
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
Free Shipping on orders $49 and up
Steel water pump gasket for your Z3 / M3

Genuine BMW - Corporate Logo
T#:22522
Part#: 17122283591
Ships in 1-2 days
7% off MSRP $ 60.99

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

$ 56.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 60.99

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

$ 56.99 USD
Free Shipping on orders $49 and up


Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Rein - Corporate Logo
T#:39059272
Part#: 11118619408
Back Ordered
$ 47.99 USD
Free Shipping on orders $49 and up
$ 47.99 USD
Free Shipping on orders $49 and up

The OE plastic connector is a frequent failure point due to brittleness and cracking caused by repeated thermal cycling and hydrolysis. OE+

Hydrolysis, the breakdown of plastic or rubber by water exposure, weakens the structure over time, leading to failure.

To combat these issues, Rein’s upgraded connectors are constructed from high-strength aluminum, eliminating the vulnerabilities of plastic connectors and ensuring long-term durability.

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BMW M52 M54 Water Pipe
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:594294
Part#: 11537502525
In Stock
$ 55.99 USD
Free Shipping on orders $49 and up

BMW M52 M54 Water Pipe is an essential replacement part designed to ensure long-term reliability and optimal performance for your BMW's cooling system. Engineered to replace cracked or broken coolant pipes, this high-quality water pipe from Turner Motorsport guarantees a perfect fit and dependable service. Investing in this replacement pipe helps prevent overheating and potential engine damage, maintaining your vehicle's performance and longevity.

  • Reliable replacement: Designed to replace cracked or broken coolant pipes for improved engine cooling.
  • Optimal fitment: Engineered to ensure a perfect fit and seamless installation.
  • Durable construction: Built with high-quality materials to withstand engine temperatures and environmental conditions.
  • Preventative maintenance: Helps avoid overheating and potential engine damage by ensuring a reliable coolant flow.
  • Vehicle compatibility: Specifically designed for BMW M52 and M54 engine models.

Upgrade your BMW’s cooling system with the BMW M52 M54 Water Pipe from Turner Motorsport for enhanced reliability and performance.

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Genuine BMW - Corporate Logo
T#:368723
Part#: 64216983858
In Stock
9% off MSRP $ 77.69

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

$ 70.79 USD
Free Shipping on orders $49 and up
9% off MSRP
$ 77.69

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

$ 70.79 USD
Free Shipping on orders $49 and up

Ensure optimal cooling for your BMW's engine with this essential Coolant Supply Hose to the heater core. When cooling pipes and hoses show signs of wear like bulges, cracking, or loss of flexibility, it's crucial to replace them promptly to prevent engine overheating.

  • Vital coolant supply hose for the heater core
  • Prevents engine overheating
  • Easy detection of wear with visible signs like bulges and cracking
  • Ensures proper cooling system functionality
  • Ideal for maintaining engine performance and longevity

Replace worn-out coolant hoses promptly, examining the entire cooling system, including plastic hose flanges prone to cracks. This ensures a comprehensive solution to prevent leaks and maintain your BMW's cooling efficiency.

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Genuine BMW - Corporate Logo
T#:368716
Part#: 64211380527
In Stock
4% off MSRP $ 46.22

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

$ 44.58 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 46.22

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

$ 44.58 USD
Free Shipping on orders $49 and up
Rein Radiator Hose - Lower - Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:363452
Part#: 11531716642
In Stock
$ 39.99

This product was last offered at the strikethrough price on
05-04-2026

$ 28.99 USD
Free Shipping on orders $49 and up
$ 28.99 USD
Free Shipping on orders $49 and up
A common source of cooling system failure


Genuine BMW - Corporate Logo
T#:14567
Part#: 11531406766
In Stock
$ 70.99 USD
Free Shipping
$ 70.99 USD
Free Shipping
Replacement upper radiator hose for the E39 M5. This is a Genuine BMW part.

This item fits the following BMWs:
1999-2003 E39 BMW M5
Genuine BMW - Corporate Logo
T#:199269
Part#: 51748054117
Ships in 1-2 days
2% off MSRP $ 254.99

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

$ 250.99 USD
Free Shipping
2% off MSRP
$ 254.99

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

$ 250.99 USD
Free Shipping


Genuine BMW Air Ducts To Radiator - M3/M4
This item fits the following BMW Chassis:
F80,F82,F83