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BMW Coolant & Radiator Hoses

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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Achilles Motorsport OBD1-to-OBD2 Coolant Hose Adapter - BMW M52 S52 Engines
Achilles Motorsport OBD1-to-OBD2 Coolant Hose Adapter - BMW M52 S52 E...
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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Bav Auto Radiator Hose - Lower - E46 M52 M54
Bav Auto Radiator Hose - Lower - E46 M52 M54
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:640203
Part#: 11531436408
In Stock
Sale - Save 26% $ 36.99

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

$ 27.49 USD
Free Shipping on orders $49 and up
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Sale - Save 26%
$ 36.99

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

$ 27.49 USD
Free Shipping on orders $49 and up
Add to Wish List
OEM Replacement Lower Radiator Hose for E46 3 series (Non-M3). We recommend replacing the Coolant Temperature Sensor while replacing this hose as the original sensor is often damaged while trying to remove it from the old hose. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
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Race German Coolant Temperature Sender Adapter - 1/8NPT
Race German Coolant Temperature Sender Adapter - 1/8NPT
Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
In Stock
$ 35.99

This product was last offered at the strikethrough price on
10-07-2026

$ 31.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
$ 35.99

This product was last offered at the strikethrough price on
10-07-2026

$ 31.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
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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Race German Coolant Temperature Sender Adapter - M12x1.5
Race German Coolant Temperature Sender Adapter - M12x1.5
Race German - Corporate Logo
T#:6827887
Part#: RGCTSAM12
In Stock
$ 35.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 35.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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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