BMW Coolant & Radiator Hoses for BMW 3 Series E30 (1984-1991)

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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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Comprehensive Coolant Hose Kit - E30 M20
Comprehensive Coolant Hose Kit - E30 M20
For vehicles with production date from 09/1987
Packaged by Turner - Corporate Logo
T#:41897490
Part#: E30M20HSTKT
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Sale - Save 2% $ 338.99

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

$ 332.77 USD
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Sale - Save 2%
$ 338.99

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

$ 332.77 USD
Free Shipping on orders $49 and up
Add to Wish List
This Comprehensive Coolant Hose Kit – E30 is a must-have for any BMW M20 enthusiast looking to maintain cooling efficiency and avoid future breakdowns. Restore your classic E30’s performance and reliability with a hose kit built to last.
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Water Hose Set - E30 M3
Water Hose Set - E30 M3
Packaged by Turner - Corporate Logo
T#:3449
Part#: 11531309667KIT
Ships in 1-2 days
$ 167.05 USD
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$ 167.05 USD
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This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -
  • upper radiator hose from the large metal coolant pipe, #23 in the diagram
  • top thermostat hose to the large metal coolant pipe, #15 in the diagram
  • middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram
  • lower thermostat hose to the bottom of radiator, #22 in the diagram
  • lower radiator hose to coolant pipe, #24 in the diagram
  • expansion tank hose to the small metal coolant pipe, #17 in the diagram
    We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    Turner OEM Water Hose Set - E30 M3
    Turner OEM Water Hose Set - E30 M3
    Packaged by Turner - Corporate Logo
    T#:338252
    Part#: 11531309667KIT
    Ships in 4 Business Days
    Sale - Save 3% $ 212.99

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

    Starting at $ 206.38 USD
    Free Shipping
    Add to Wish List
    Sale - Save 3%
    $ 212.99

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

    Starting at $ 206.38 USD
    Free Shipping
    Add to Wish List
    This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -
  • upper radiator hose from the large metal coolant pipe, #23 in the diagram
  • top thermostat hose to the large metal coolant pipe, #15 in the diagram
  • middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram
  • lower thermostat hose to the bottom of radiator, #22 in the diagram
  • lower radiator hose to coolant pipe, #24 in the diagram
  • expansion tank hose to the small metal coolant pipe, #17 in the diagram
    We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    DO88 Coolant Hoses - Red - E30 M3
    DO88 Coolant Hoses - Red - E30 M3
    DO88 - Corporate Logo
    T#:13924862
    Part#: DO88KIT130R
    Ships on Aug 12, 2026
    $ 342.99 USD
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    $ 342.99 USD
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    Made out of high-quality silicone, these hoses display the highest levels of durability and quality. With three to five layers of armor, the hoses are designed to withstand high pressure and heat for an extended period of time. The OE hoses are known to crack and leak but this hose kit eliminates any chance of that.
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    DO88 Coolant Hoses - Blue - E30 M3
    DO88 Coolant Hoses - Blue - E30 M3
    DO88 - Corporate Logo
    T#:13924864
    Part#: DO88KIT130B
    Ships on Aug 12, 2026
    $ 342.99 USD
    Free Shipping on orders $49 and up
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    $ 342.99 USD
    Free Shipping on orders $49 and up
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    Made out of high-quality silicone, these hoses display the highest levels of durability and quality. With three to five layers of armor, the hoses are designed to withstand high pressure and heat for an extended period of time. The OE hoses are known to crack and leak but this hose kit eliminates any chance of that.
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    BMW E30 S14 Coolant Hoses - Black - DO88
    BMW E30 S14 Coolant Hoses - Black - DO88
    DO88 - Corporate Logo
    T#:13924861
    Part#: DO88KIT130S
    Ships on Aug 12, 2026
    $ 342.99 USD
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    $ 342.99 USD
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    BMW E30 S14 Coolant Hoses - Black - DO88 are engineered from high-quality silicone, offering superior durability and reliability for the BMW E30 S14. With three to five layers of reinforced silicone, these hoses are built to withstand high pressure and extreme temperatures, ensuring long-lasting performance.

    • High-Quality Silicone Construction: Made from premium silicone, providing excellent resistance to heat and pressure.
    • Reinforced Layers: Features three to five layers of armor, enhancing durability and reliability under demanding conditions.
    • Prevents Cracking and Leaking: Upgrades from OE hoses that are prone to cracking and leaking, ensuring a secure and leak-proof fit.
    • Extended Service Life: Designed to handle high temperatures and pressures for prolonged use, reducing the need for frequent replacements.
    • Enhanced Performance: Improves cooling system efficiency, maintaining optimal engine performance and reliability.

    Turner Motorsport’s BMW E30 S14 Coolant Hoses - Black - DO88 offer a high-quality replacement solution, ensuring your BMW E30 S14 operates smoothly and reliably.

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    Water Pump to Thermostat Cooling Hose - E30 E34 E28
    Water Pump to Thermostat Cooling Hose - E30 E34 E28
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:6917
    Part#: 11531287651
    In Stock
    $ 10.99 USD
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    $ 10.99 USD
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    Replace your cracked or leaking coolant hose with this radiator coolant hose that goes from the waterpump to the thermostat on cars with the M20 engine. We recommend inspecting cooling system hoses for dry rot / cracks yearly.

    This item fits the following BMWs:
    1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
    1982-1988 E28 BMW 528e
    1989-1990 E34 BMW 525i
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    Thermostat Housing to Water Pipe Cooling Hose - E30 325e 325i
    Thermostat Housing to Water Pipe Cooling Hose - E30 325e 325i ...
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:19253
    Part#: 11531718982
    Ships in 2 Business Days
    $ 6.55 USD
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    $ 6.55 USD
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    This is the cooling system water hose that goes from the thermostat housing to the water pipe on E30 3 series.

    This item fits the following BMWs:
    1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
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    Rein Coolant Bleeder Screw CHW1575 - Priced Each
    Rein Coolant Bleeder Screw CHW1575 - Priced Each
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:591955
    Part#: 17111712788
    In Stock
    $ 4.99 USD
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    $ 4.99 USD
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    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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    Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34
    Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34 ...
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:19431
    Part#: 17121712736
    In Stock
    $ 13.99 USD
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    $ 13.99 USD
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    VENT HOSE 17121712736 Manufactured by CRP

    OEM Rein Thermostat Coolant Hose - E30 M20
    OEM Rein Thermostat Coolant Hose - E30 M20
    For vehicles with a production date up to 09/1987
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:583586
    Part#: 13541289976
    Ships in 2 Business Days
    $ 8.81 USD
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    $ 8.81 USD
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    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.
    OEM Rein Upper Radiator Hose - M42 E30 318i/is
    OEM Rein Upper Radiator Hose - M42 E30 318i/is
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:6953
    Part#: 11531717622
    In Stock at Vendor
    $ 11.99 USD
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    $ 11.99 USD
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    Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the upper radiator hose that connects from the thermostat housing to the radiator inlet.

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

    This item fits the following BMWs:
    E30 BMW 318i, 318i Convertible, 318is

    Fits BMW Engines including:
    M42

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    OEM Rein Coolant Hose - E30
    OEM Rein Coolant Hose - E30
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:379799
    Part#: 13541719967
    In Stock at Vendor
    $ 14.06 USD
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    $ 14.06 USD
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    Fix that leak or replace that old line with this OE replacement!
    Rein Coolant Hose - E28, E30, E34
    Rein Coolant Hose - E28, E30, E34
    For vehicles with production date from 09/1987
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:379671
    Part#: 13541719966
    Ships in 2 Business Days
    $ 6.11 USD
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    $ 6.11 USD
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    Thermostat to throttle housing
    Rein Lower Heater Hose - E30
    Rein Lower Heater Hose - E30
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:379681
    Part#: 11531714636
    Ships in 2 Business Days
    $ 7.99 USD
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    $ 7.99 USD
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    Heats & cools the throttle body
    OEM Rein Lower Radiator Hose - M42 E30 318i/is
    OEM Rein Lower Radiator Hose - M42 E30 318i/is
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    Rein - Corporate Logo
    T#:6952
    Part#: 11531717620
    In Stock at Vendor
    $ 16.99 USD
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    $ 16.99 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 that connects from the radiator outlet to the thermostat housing.

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

    This item fits the following BMWs:
    E30 BMW 318i, 318i Convertible, 318is

    Fits BMW Engines including:
    M42

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