BMW Coolant & Radiator Hoses for BMW E34 M5 S38 3.5L

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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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OEM Style Hose Clamps
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Turner Motorsport - Corporate Logo
T#:338927
Part#: HOSE-CLAMPS
In Stock
Sale - Save 3% $ 3.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 3.87 USD
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$ 3.99

This product was last offered at the strikethrough price on
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Starting at $ 3.87 USD
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Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.
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Achilles Motorsport OBD1-to-OBD2 Coolant Hose Adapter - BMW M52 S52 E...
For models with a OBD2 24v Swap (M5X, S5X engines) only!
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Achilles Motorsports - Corporate Logo
T#:1150775
Part#: 11-AM-CHCAP-OBD1
In Stock
$ 54.99 USD
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$ 54.99 USD
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OBD2 to OBD1 Conversion Coolant Hose Adapter for E36 M52 & S52 Engines Replaces the metal pipe from the OBD2 engines with a hose adapter that allows the installation of a normal OBD1 coolant hose. This is useful when converting an OBD2 Engine to OBD1, or when swapping OBD2 engines into a car that is originally OBD1 (like an E30). The simple kit comes complete with the necessary 2 O-rings, extended bolt, Nylon Lock Nut & washers to make this a quick install. No need to wait! It is also completely reversible!
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Race German Coolant Temperature Sender Adapter - M12x1.5
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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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Race German Coolant Temperature Sender Adapter - 1/8NPT
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Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
Ships in 1 Business Day
$ 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 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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70-78mm - T-Bolt Hose Clamp - Priced each
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ECS - Corporate Logo
T#:380416
Part#: 003402ECS07A-03
In Stock
Sale - Save 25% $ 31.99

This product was last offered at the strikethrough price on
06-13-2026

$ 23.99 USD
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Sale - Save 25%
$ 31.99

This product was last offered at the strikethrough price on
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$ 23.99 USD
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Ensure a tight and leak-free seal in your BMW's cooling, vacuum, or intake systems by installing a new adjustable hose clamp. Over time, clamps can deform or lose their tightness due to aging or frequent removal, potentially causing leaks in your coolant or vacuum hoses. Avoid the risk of leaks by replacing old clamps with new hardware, offering peace of mind against coolant and vacuum system issues.

Key benefits of the adjustable hose clamp include:

  • Maintaining a secure and leak-free seal in your BMW's systems.
  • Preventing coolant or vacuum leaks that can affect performance.
  • Adjustable size from 70mm to 78mm for versatile applications.

Upgrade your hose clamps to ensure optimal performance and reliability in your BMW's systems.

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Genuine BMW Upper Radiator Hose - 11531312241 - E34 M5
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Genuine BMW - Corporate Logo
T#:35828
Part#: 11531312241
In Stock
Sale - Save 8% $ 44.99

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

$ 41.61 USD
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Sale - Save 8%
$ 44.99

This product was last offered at the strikethrough price on
06-15-2026

$ 41.61 USD
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This is the water hose that goes to the upper left opening on the radiator on US spec BMW E34 M5 with the 3.6 liter engine.

This item fits the following BMWs:
1991-1993 E34 BMW M5
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Genuine BMW Coolant hose - E34 535i
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Genuine BMW - Corporate Logo
T#:367918
Part#: 17121712736
In Stock
Sale - Save 5% $ 76.99

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

$ 72.94 USD
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$ 76.99

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

$ 72.94 USD
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Genuine BMW Coolant Hose - E34 S38 3.6L
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Genuine BMW - Corporate Logo
T#:35832
Part#: 11531312684
Ships in 1 day
$ 21.99 USD
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Genuine BMW Water Hose
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
S38


Genuine BMW Lower Radiator Hose - E34 M5
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Genuine BMW - Corporate Logo
T#:35834
Part#: 11531312735
Ships in 1 day
$ 34.99 USD
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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the lower radiator hose.

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:
E34 BMW M5

Fits BMW Engines including:
S38

 

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Genuine BMW Heater Pipe - Heater Core to Inlet and Outlet Pipes - E31...
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Genuine BMW - Corporate Logo
T#:466229
Part#: 64118372524
Ships in 1 day
4% off MSRP $ 111.99

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

$ 107.99 USD
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4% off MSRP
$ 111.99

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

$ 107.99 USD
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Water Hose - E34
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Genuine BMW - Corporate Logo
T#:35833
Part#: 11531312690
Ships in 4 Business Days
$ 28.99 USD
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Genuine BMW Water Hose
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
S38

Return Hose - E34
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Genuine BMW - Corporate Logo
T#:25536
Part#: 11531315303
Ships in 7 Business 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
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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


Genuine BMW Return Hose
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
S38



Genuine BMW Coolant Hose - E34 S38 3.6L E34 S38 3.5L
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Genuine BMW - Corporate Logo
T#:35836
Part#: 11531312817
Ships in 7 Business 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


Genuine BMW Return Hose
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
S38

Hose - E34
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Genuine BMW - Corporate Logo
T#:35843
Part#: 11531315293
Ships in 7 Business Days
$ 30.99 USD
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Genuine BMW Hose
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
S38

Genuine BMW Coolant Return Hose - E34 M5
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Genuine BMW - Corporate Logo
T#:35844
Part#: 11531315302
Ships in 7 Business Days
$ 28.99 USD
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Genuine BMW Return Hose
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
S38


Hose F Engine Inlet And Water Valve - E23, E34
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Genuine BMW - Corporate Logo
T#:11080
Part#: 64211391386
Special Order: No Guaranteed ETA
4% off MSRP $ 66.99

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

$ 63.99 USD
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4% off MSRP
$ 66.99

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

$ 63.99 USD
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Genuine BMW Hose F Engine Inlet And Water Valve
This item fits the following BMW Chassis:
E34 M5,E34


77-85mm - 3/4" Band Hose Clamp
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ECS - Corporate Logo
T#:377877
Part#: 003402ECS07A-05
In Stock
Sale - Save 25% $ 25.99

This product was last offered at the strikethrough price on
06-13-2026

$ 19.49 USD
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Sale - Save 25%
$ 25.99

This product was last offered at the strikethrough price on
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$ 19.49 USD
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Upgrade your BMW's hose clamps with the 77-85mm - 3/4" Band Hose Clamp from Turner Motorsport. These full 304 stainless steel clamps offer convenience and quality without the dealership price tag. German-style T-bolts allow for easy adjustment to your required diameter, ensuring a secure fit every time.

  • Made of durable 304 stainless steel for long-lasting performance
  • German-style T-bolt design for easy size adjustment
  • Convenient band widths for versatile applications
  • Quality alternative to dealership pricing
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3/8"/9mm Band Hose Clamp - 50-70mm
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ECS - Corporate Logo
T#:341684
Part#: 003402ECS06A-12
In Stock
Sale - Save 25% $ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Sale - Save 25%
$ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Elevate your BMW maintenance with ECS Tuning's 304 stainless steel hose clamps, offering convenience and top-quality performance at an affordable price. Designed with various band widths and German-style T-bolts for adjustable sizing, these hose clamps ensure a secure fit for your specific diameter needs. Skip the dealership wait and excessive pricing; ECS Tuning provides reliable, dealership-quality hose clamps without the premium cost, ensuring your car receives the care it deserves.
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1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each
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ECS - Corporate Logo
T#:385425
Part#: 003402ECS05A-06
In Stock
Sale - Save 25% $ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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Sale - Save 25%
$ 4.99

This product was last offered at the strikethrough price on
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$ 3.74 USD
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Upgrade Your BMW Maintenance with Stainless Steel Hose Clamps from ECS Tuning

ECS Tuning introduces premium full stainless steel hose clamps, offering superior quality and convenience for your BMW maintenance. Avoid dealership delays and overpricing by choosing from a selection of band widths, ensuring you receive top-quality hose clamps without overpaying.

Key Benefits:

  • Premium full stainless steel hose clamps
  • Various band widths for enhanced convenience
  • High-quality alternative to dealership pricing
  • Readily available stock eliminates waiting time
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70-90mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:363017
Part#: 003402ECS06A-11
In Stock
Sale - Save 25% $ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Sale - Save 25%
$ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Upgrade your BMW with ECS Tuning's Stainless Steel Hose Clamps, designed for convenience and durability. With various band widths and German-style T-bolts, these clamps offer easy adjustment to your required diameter. Say goodbye to dealer pricing and enjoy the quality you love at ECS Tuning.

  • Full stainless steel construction
  • Various band widths available
  • German-style T-bolts for easy adjustment
  • Convenient solution for hose clamp replacement
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Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34 ...
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Rein - Corporate Logo
T#:19431
Part#: 17121712736
Ships in 3 Business Days
$ 13.99 USD
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VENT HOSE 17121712736 Manufactured by CRP


Band Hose Clamp | 12-20mm 3/8"/9mm
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ECS - Corporate Logo
T#:304266
Part#: 003402ECS06A-03
In Stock
Sale - Save 25% $ 4.99

This product was last offered at the strikethrough price on
06-13-2026

$ 3.74 USD
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Sale - Save 25%
$ 4.99

This product was last offered at the strikethrough price on
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$ 3.74 USD
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Secure hoses in your BMW effortlessly with the ECS 3/8" / 9mm Band Hose Clamp (12-20mm). Specifically designed for BMW models, this clamp ensures a snug fit and reliable hold for hoses measuring between 12mm to 20mm. Crafted with durable materials, these clamps provide exceptional resistance against leaks and are ideal for various automotive applications. Upgrade your BMW's hose security with these reliable ECS hose clamps.
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90-110mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:341281
Part#: 003402ECS06A-13
In Stock
Sale - Save 40% $ 6.99

This product was last offered at the strikethrough price on
05-02-2026

$ 4.19 USD
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Sale - Save 40%
$ 6.99

This product was last offered at the strikethrough price on
05-02-2026

$ 4.19 USD
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ECS Tuning 304 Stainless Steel Hose Clamps

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

  • Made from high-quality 304 stainless steel for durability
  • German-style design with T-bolts allows for easy size adjustment
  • Various band widths for versatile use
  • Avoid dealership pricing without compromising on quality
  • Perfect for BMW enthusiasts seeking affordable yet reliable hose clamps
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60-80mm 1/2"/12mm Band Hose Clamp
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ECS - Corporate Logo
T#:377836
Part#: 003402ECS05A-10
In Stock
Sale - Save 25% $ 6.99

This product was last offered at the strikethrough price on
06-13-2026

$ 5.24 USD
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Sale - Save 25%
$ 6.99

This product was last offered at the strikethrough price on
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$ 5.24 USD
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ECS Tuning Stainless Steel Hose Clamps for BMW

Upgrade your BMW's hose clamps with ECS Tuning Stainless Steel Hose Clamps, designed for convenience and durability. Say goodbye to long waits and overpriced dealership clamps. With various band widths available, these stainless steel clamps ensure a secure fit for your vehicle's hoses.

Benefits:

  • Convenient replacement for worn-out hose clamps
  • Made of durable stainless steel for long-lasting performance
  • Available in various band widths for versatile use
  • Affordable alternative to dealership pricing
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40-60mm 3/8"/9mm Band Hose Clamp
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ECS - Corporate Logo
T#:341280
Part#: 003402ECS06A-08
In Stock
Sale - Save 25% $ 3.99

This product was last offered at the strikethrough price on
06-13-2026

$ 2.99 USD
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Sale - Save 25%
$ 3.99

This product was last offered at the strikethrough price on
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$ 2.99 USD
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ECS Tuning 304 Stainless Steel Hose Clamps

Revolutionize your car maintenance with ECS Tuning's premium 304 stainless steel hose clamps. Eliminate dealership delays and inflated prices! These German-style clamps utilize T-bolts for hassle-free diameter adjustment. With various band widths available, these durable clamps ensure reliability without the hefty cost. Experience dealership-quality products at affordable rates, exclusively at ECS Tuning.

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Expansion Tank Hose
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URO - Corporate Logo
T#:50066848
Part#: 17121712736
In Stock
New Item
$ 12.79 USD
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Coolant overflow hose designed to route excess coolant to and from the expansion tank, helping regulate system pressure and maintain proper coolant levels. Manufactured for correct fit and flow, it ensures reliable expansion tank operation and leak-free performance.
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Genuine BMW Hose Clamp 07129952104
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Genuine BMW - Corporate Logo
T#:6533
Part#: 07129952104
In Stock
$ 3.99 USD
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GENUINE BMW HOSE CLAMP 07129952104

Heater Hose
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
URO - Corporate Logo
T#:373063
Part#: 64211384763
Ships in 1 Business Day
$ 8.99

This product was last offered at the strikethrough price on
04-10-2026

$ 6.99 USD
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$ 6.99 USD
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Water valve to water pump

Hose Clamp 2 5/16" - 3 1/4" - priced each
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ECS - Corporate Logo
T#:376806
Part#: 54155K23
Ships in 1 day
$ 4.99 USD
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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 Heater Hose - E34 E32
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Genuine BMW - Corporate Logo
T#:368718
Part#: 64211384763
Ships in 4 Business Days
4% off MSRP $ 109.99

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

$ 105.99 USD
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4% off MSRP
$ 109.99

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

$ 105.99 USD
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