BMW Coolant & Radiator Hoses for BMW Z3 (1996-2002)

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We offer replacement hoses from several OE brands that we trust, along with performance silicone upgrades for those who want increased wear resistance compared to factory rubber.
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Heater Hard Line replacement Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15777306
Part#: 11531705210-KT
Ships on Nov 12, 2026
$ 259.99

This product was last offered at the strikethrough price on
04-28-2026

$ 250.99 USD
Free Shipping on orders $49 and up
$ 250.99 USD
Free Shipping on orders $49 and up
Includes every thing needed to replace heater coolant hard lines, includes gaskets, hoses, and a URO aluminum return line!
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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Genuine BMW - Corporate Logo
T#:360688
Part#: 11537502525
In Stock
$ 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.

Genuine BMW - Corporate Logo
T#:6936
Part#: 11531436122
In Stock
$ 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
Ships in 2 Business Days
$ 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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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

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
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 Overflow Bottle Hose - Bottom
For vehicles with production date up to 1998
Genuine BMW - Corporate Logo
T#:367695
Part#: 11531740649
In Stock
$ 34.99 USD
Free Shipping on orders $49 and up
$ 34.99 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:19209
Part#: 11531716641
Ships in 1-2 days
2% off MSRP $ 45.99

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

$ 44.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 45.99

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

$ 44.99 USD
Free Shipping on orders $49 and up
This is the upper radiator hose that goes from the thermostat the the upper left of the radiator.

This item fits the following BMWs:
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
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Genuine BMW - Corporate Logo
T#:19198
Part#: 11531436988
Ships in 1-2 days
$ 34.99 USD
Free Shipping on orders $49 and up
This is the cooling hose from the lower radiator to the thermostat housing for Z3.

This item fits the following BMWs:
1996-1998 Z3 BMW Z3 2.8
1996-2000 Z3 BMW M Roadster M Coupe (S52)
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Genuine BMW - Corporate Logo
T#:19210
Part#: 11531716642
In Stock
2% off MSRP $ 44.99

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

$ 43.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
2% off MSRP
$ 44.99

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

$ 43.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
This is a replacement Lower Radiator Hose for Z3. This hose goes from the thermostat housing to the lower right side 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
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Genuine BMW - Corporate Logo
T#:367831
Part#: 13541703945
Ships in 1-2 days
3% 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.

$ 33.99 USD
Free Shipping on orders $49 and up
3% 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.

$ 33.99 USD
Free Shipping on orders $49 and up
URO Premium Aluminum Water Pipe - BMW M52TU M54
2X Entries Into Our F80 M3 Sweepstakes
URO Premium - Corporate Logo
T#:587659
Part#: 11537502525PRM
In Stock
$ 71.99 USD
Free Shipping
$ 71.99 USD
Free Shipping
This plastic coolant water pipe connects the expansion tank return hose with the engine block


URO - Heater Inlet Pipe - E46, Z3, E39
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:34080697
Part#: 11531705210
Ships in 2 Business Days
$ 34.49 USD
Free Shipping on orders $49 and up
This runs from the front left side of the cylinder head under the intake manifold toward the firewall.
URO Radiator Hose (Lower) - Z3
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:38094315
Part#: 11531716642
Ships in 2 Business Days
$ 23.99 USD
Free Shipping on orders $49 and up
Whether replacing a failing radiator hose or replacing for proper maintenance, the URO Lower Radiator Hose ensures exceptional cooling efficiency, reliability, and longevity, keeping your BMW’s engine running at peak performance.
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Genuine BMW - Corporate Logo
T#:13001
Part#: 11531401726
In Stock
$ 28.99 USD
Free Shipping on orders $49 and up
GENUINE BMW WATER HOSE:115050
Fits BMW Engines including:
S54

Genuine BMW - Corporate Logo
T#:6950
Part#: 11531714738
Ships in 1-2 days
4% off MSRP $ 25.99

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

$ 24.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 25.99

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

$ 24.99 USD
Free Shipping on orders $49 and up


Genuine BMW Connector -
This item fits the following BMW Chassis:
E30,E36

Fits BMW Engines including:
M42,M44


Genuine BMW - Corporate Logo
T#:6874
Part#: 11531247398
Ships in 1-2 days
$ 28.99 USD
Free Shipping on orders $49 and up


Genuine BMW Water Hose -
This item fits the following BMW Chassis:
E36

Fits BMW Engines including:
M44


Rein Heater Hose - Supply - Z3
For vehicles with a production date up to 09/1998
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379690
Part#: 64218401809
Ships in 4 Business Days
$ 22.99 USD
Free Shipping on orders $49 and up
$ 22.99 USD
Free Shipping on orders $49 and up
Supplies the heater core with coolant
Rein Coolant Hose - Water Valve - Z3
For vehicles with a production date up to 09/1998
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379696
Part#: 64218400295
Back Ordered
$ 27.99 USD
Free Shipping on orders $49 and up
$ 27.99 USD
Free Shipping on orders $49 and up
Return hose for the underhood coolant valve
OEM Rein Cooling Hose - E36, Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:362532
Part#: 13541703865
Ships in 4 Business Days
$ 20.99 USD
Free Shipping on orders $49 and up
Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.


Genuine BMW Heater Return Hose
For vehicles with production date up to 09/1998
Genuine BMW - Corporate Logo
T#:22318
Part#: 11531433059
Ships in 4 Business Days
2% off MSRP $ 252.00

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

$ 247.00 USD
Free Shipping
2% off MSRP
$ 252.00

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

$ 247.00 USD
Free Shipping


Genuine BMW Heater Return Pipe -
This item fits the following BMW Chassis:
E36,E39

Fits BMW Engines including:
M52,S52

Genuine BMW - Corporate Logo
T#:25093
Part#: 11537831026
Ships in 1-2 days
$ 34.99 USD
Free Shipping on orders $49 and up
Genuine BMW WATER HOSE
Fits BMW Engines including:
S54



Genuine BMW - Corporate Logo
T#:6972
Part#: 11531743295
Ships in 1-2 days
$ 34.99 USD
Free Shipping on orders $49 and up


Genuine BMW Water Hose -
This item fits the following BMW Chassis:
E36

Fits BMW Engines including:
M42,M44

Genuine BMW - Corporate Logo
T#:36149
Part#: 11537830710
Ships in 1-2 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
Free Shipping
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
Free Shipping


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#:36152
Part#: 11537830994
Ships in 1-2 days
$ 28.99 USD
Free Shipping on orders $49 and up
This is the rubber cooling hose that goes from the coolant expansion tank to the water pipe that leads back to the thermostat housing.

This item fits the following BMWs:
2001-2002 Z3 BMW Z3 M Roadster M Coupe with S54 engine
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Heater Inlet Pipe
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:594084
Part#: 11531705210
Ships on Oct 26, 2026
$ 47.46 USD
Free Shipping on orders $49 and up
Runs from the front left side of the engine to the heater inlet

Rein - Corporate Logo
T#:14593
Part#: 11531740649
In Stock
$ 30.99

This product was last offered at the strikethrough price on
07-07-2026

$ 18.99 USD
Free Shipping on orders $49 and up
$ 18.99 USD
Free Shipping on orders $49 and up
This is the radiator expansion tank return hose for the cooling system on E36 models with the M52 or S52 engine. This hose goes from the expansion tank to the main coolant return pipe.

This item fits the following BMWs:
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1996-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe
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Radiator Hose - Upper
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:38688897
Part#: 11531708499
Ships in 8 Business Days
Sale - Save 24% $ 14.99

This product was last offered at the strikethrough price on
05-03-2026

$ 11.42 USD
Free Shipping on orders $49 and up
Sale - Save 24%
$ 14.99

This product was last offered at the strikethrough price on
05-03-2026

$ 11.42 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:7432
Part#: 17111712788
In Stock
$ 5.94 USD
Free Shipping on orders $49 and up

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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Rein Coolant Bleeder Screw CHW1575 - Priced Each
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:591955
Part#: 17111712788
In Stock
$ 4.99 USD
Free Shipping on orders $49 and up
Coolant Bleeder Screw is a critical component for maintaining your BMW’s cooling system. Designed to release trapped air from the coolant lines, this screw ensures efficient coolant flow and prevents overheating. Specifically engineered for BMW models, it enhances the overall performance and longevity of your engine by maintaining proper temperature regulation. Comes with O-Ring.
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Bremmen Parts - Corporate Logo
T#:640140
Part#: 17111712788
Ships on Jan 11, 2027
Sale - Save 39% $ 3.99

This product was last offered at the strikethrough price on
09-02-2026

$ 2.44 USD
Free Shipping on orders $49 and up
Sale - Save 39%
$ 3.99

This product was last offered at the strikethrough price on
09-02-2026

$ 2.44 USD
Free Shipping on orders $49 and up
Plastic bleeder screw for cooling system is used to bleed air that would otherwise create an air pocket and lead to overheating. Includes o-ring seal.
Febi Expansion Tank Hose - E36, Z3
For vehicles with production date up to 09/1998
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:363760
Part#: 17111723521
In Stock
$ 15.99 USD
Free Shipping on orders $49 and up
$ 15.99 USD
Free Shipping on orders $49 and up
Connects the expansion tank to the radiator
Genuine BMW - Corporate Logo
T#:6865
Part#: 11511739691
Ships in 1-2 days
$ 7.99 USD
Free Shipping on orders $49 and up


Genuine BMW O-Ring - 26,5X2,5
This item fits the following BMW Chassis:
E36

Fits BMW Engines including:
M44


Febi Radiator Hose - Upper - E36, Z3
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:363807
Part#: 11531708499
Ships in 2 Business Days
$ 16.99

This product was last offered at the strikethrough price on
07-25-2026

$ 14.23 USD
Free Shipping on orders $49 and up
$ 14.23 USD
Free Shipping on orders $49 and up
New upper radiator hose for your BMW

Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:639233
Part#: 11531247398
Ships in 2 Business Days
$ 11.99 USD
Free Shipping on orders $49 and up
Replace your leaking hose
Cooling Hose
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:38688896
Part#: 13541703865
Ships in 8 Business Days
Sale - Save 23% $ 10.99

This product was last offered at the strikethrough price on
05-03-2026

$ 8.49 USD
Free Shipping on orders $49 and up
Sale - Save 23%
$ 10.99

This product was last offered at the strikethrough price on
05-03-2026

$ 8.49 USD
Free Shipping on orders $49 and up

Rein Water Hose - Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:363333
Part#: 11531436988
Ships in 2 Business Days
$ 17.99 USD
Free Shipping on orders $49 and up
Serves as a supply line to the radiator
URO - Corporate Logo
T#:13181
Part#: 17111723521
In Stock
$ 6.42 USD
Free Shipping on orders $49 and up
This is the small diameter overflow hose that goes from the coolant expansion tank to the radiator.

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 Coupe
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Rein Radiator Hose - Upper - E36, Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:6973
Part#: 11531743535
In Stock
$ 16.99 USD
Free Shipping on orders $49 and up
OEM BMW ENGINE WATER HOSE 11531743535.--

This item fits the following BMWs:
BMW 3 Series - 318i, 318i Convertible, 318is, 318ti
BMW Z Series - Z3 1.9

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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
Burgaflex - Corporate Logo
T#:57725183
Part#: 11531247261
In Stock
New Item
$ 10.99 USD
Free Shipping on orders $49 and up
Engineered to meet rigorous standards, this heavy-duty radiator hose provides the durability needed to handle demanding driving conditions.
OEM Rein Upper Radiator Hose - E36 325/328/323/M3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:1299
Part#: 11531708499
Ships in 2 Business Days
$ 12.99 USD
Free Shipping on orders $49 and up
This is the coolant hose that connects the upper radiator outlet to the thermostat housing. Any time you are into the cooling system, either for a radiator, water pump, thermostat, etc, you should consider installing fresh new hoses as a preventative measure.

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 Coupe with S52 engine
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Radiator Hose - Lower
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:361988
Part#: 11531247261
Ships in 2 Business Days
$ 9.99 USD
Free Shipping on orders $49 and up
Connects the thermostat to the lower radiator.
Thermostat Housing
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:377315
Part#: 11531743679
Ships in 2 Business Days
$ 9.14 USD
Free Shipping on orders $49 and up
Made to fit just like the stock unit, this replacement will get your coolant system back in top shape quickly. Broken, cracked, or brittle flanges are no longer a problem. Take the worries out of your morning commute with an inexpensive piece of mind.
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