BMW Coolant & Radiator Hoses for BMW Z Series E85/6 (2003-2008)

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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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Vaico Lower Radiator Hose - BMW Z4 2.5 3.0 M54
For roadster models with production date up to 04/2004
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Vaico - Corporate Logo
T#:363540
Part#: 17127514405
In Stock at Vendor
$ 96.99

This product was last offered at the strikethrough price on
05-07-2026

$ 93.99 USD
Free Shipping on orders $49 and up
$ 93.99 USD
Free Shipping on orders $49 and up
Replace your leaking coolant hose and prevent engine overheating with this replacement Vaico coolant hose.
OEM Rein Coolant Hose - E60 E61 E83 Z4
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Rein - Corporate Logo
T#:583591
Part#: 11537519494
In Stock
$ 18.99 USD
Free Shipping on orders $49 and up
Attaches from inlet pipe to heat exchanger. 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.
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Rein Radiator Hose - Lower - Z4
For roadster models with production date from 04/2004
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:386347
Part#: 17127535591
In Stock at Vendor
$ 59.99 USD
Free Shipping on orders $49 and up
$ 59.99 USD
Free Shipping on orders $49 and up
Keep your cooling system leak free

Hose Clamp 2 5/16" - 3 1/4" - priced each
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ECS - Corporate Logo
T#:376806
Part#: 54155K23
Ships in 1-2 days
$ 4.99 USD
Free Shipping on orders $49 and up

Hose Clamp 2 5/16" - 3 1/4"

Ensure secure hose connections with the Hose Clamp 2 5/16" - 3 1/4", a versatile and reliable solution for various applications. Crafted from durable materials, this clamp offers superior strength and corrosion resistance. Its adjustable design allows for a snug fit, reducing the risk of leaks and ensuring optimal performance. Upgrade your hose connections with the precision and reliability of the Hose Clamp 2 5/16" - 3 1/4".

  • Versatile and reliable solution for various applications
  • Superior strength and corrosion resistance
  • Adjustable design for a snug fit
  • Reduces risk of leaks for optimal performance
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Genuine BMW O-ring - 11517514942
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Genuine BMW - Corporate Logo
T#:35671
Part#: 11517514942
Ships in 2 Business Days
6% off MSRP $ 16.99

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

$ 16.00 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 16.99

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

$ 16.00 USD
Free Shipping on orders $49 and up


Genuine BMW O-Ring -
This item fits the following BMW Chassis:
E70 X5,E82,E83 X3,E85,E86,E89 Z4,E90,E92,E93,F10,F25 X3

Fits BMW Engines including:
N51,N52,N52N

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Genuine BMW Water Hose - Z4 N52
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:46233
Part#: 17127545277
Ships in 2 Business Days
3% 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.

$ 101.99 USD
Free Shipping
3% 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.

$ 101.99 USD
Free Shipping

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:
E85,E86

Fits BMW Engines including:
N52
 

 

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Genuine BMW Radiator Hose - Lower - Z4 2.5i 3.0i M54
For roadster models with production date from 04/2004
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:19531
Part#: 17127535591
Ships in 2 Business Days
3% 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.

$ 101.99 USD
Free Shipping
3% 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.

$ 101.99 USD
Free Shipping


Genuine BMW Water Hose -
This item fits the following BMW Chassis:
E85

Fits BMW Engines including:
M54

Oil Cooler Line O-Ring & Screw Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:55281750
Part#: 1722OCLKT
Ships in 2 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.

Victor Reinz O-Ring
Found at the flange end of the upper thermostat hose
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Victor Reinz - Corporate Logo
T#:388687
Part#: 11537545278
Ships in 3 Business Days
$ 6.11 USD
Free Shipping on orders $49 and up
$ 6.11 USD
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Seals your cooling system

Bremmen Parts Coolant Hose - E9X N52
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:38621425
Part#: 11537521049
In Stock
Sale - Save 23% $ 18.99

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

$ 14.68 USD
Free Shipping on orders $49 and up
Sale - Save 23%
$ 18.99

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

$ 14.68 USD
Free Shipping on orders $49 and up
Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.
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Elring Coolant Pipe O-Ring Seal - BMW N52 3.0L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Elring - Corporate Logo
T#:45415209
Part#: 266.480
Special Order: No Guaranteed ETA
$ 2.99 USD
Free Shipping on orders $49 and up
Seals the connection between the water pump hose and the engine inlet Replaces BMW # 11517514942
Meyle - Coolant Inlet Hose Section for various BMW models
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Meyle - Corporate Logo
T#:40478168
Part#: 11537516414
Special Order: No Guaranteed ETA
$ 7.99 USD
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This Meyle component offers OEM-level fit and function for hassle-free installation and dependable cooling system performance.


Meyle Coolant Hose - BMW N52 3.0L
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Meyle - Corporate Logo
T#:35829327
Part#: 11537521049
Special Order: No Guaranteed ETA
$ 19.99 USD
Free Shipping on orders $49 and up
Over time, coolant hoses in your vehicle can deteriorate due to prolonged exposure to high temperatures from the coolant. Made of reinforced rubber, these hoses are prone to issues such as splitting at hose clamps, swelling, cracking, or even breaking, which can leave you stranded. It's important to replace them at the first sign of wear to prevent coolant loss and ensure your engine stays properly cooled.
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URO Coolant Pipe O-Ring - BMW N52 3.0L
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URO - Corporate Logo
T#:37892133
Part#: 11517514942
In Stock
$ 2.09 USD
Free Shipping on orders $49 and up

URO Coolant Pipe O-Ring - BMW N52 3.0L

Engineered to meet OE coolant pipe o-ring dimensions, the URO Coolant Pipe O-Ring ensures easy installation and a perfect fit for BMW N52 3.0L engines. It is designed to resist cooling system heat and antifreeze, providing reliable performance under demanding conditions. Constructed from durable ECD (Electro Chemical Degradation)-resistant EPDM material, it helps prevent electrolysis, extending the lifespan of your cooling system. With a temperature rating of -40º F to 275º F (-40º C to 135º C), this o-ring is built to withstand extreme temperatures. Supported by a 24-month unlimited mileage warranty, it is a dependable solution for maintaining your BMW’s cooling system efficiency.

Key Benefits:

  • Precision-molded to OE dimensions for easy installation and perfect fit.
  • Resists cooling system heat and antifreeze for reliable performance.
  • Durable ECD-resistant EPDM material prevents electrolysis.
  • Temperature rating of -40º F to 275º F for extreme condition durability.
  • Includes a 24-month unlimited mileage warranty for peace of mind.
  • Specifically designed for BMW N52 3.0L engines.
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