Rein 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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Water Pump to Thermostat Cooling Hose - E30 E34 E28
Water Pump to Thermostat Cooling Hose - E30 E34 E28
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T#:6917
Part#: 11531287651
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$ 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 ...
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T#:19253
Part#: 11531718982
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$ 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 Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34
Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34 ...
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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

Rein Coolant Bleeder Screw CHW1575 - Priced Each
Rein Coolant Bleeder Screw CHW1575 - Priced Each
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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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OEM Rein Coolant Hose - E30
OEM Rein Coolant Hose - E30
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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
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T#:379671
Part#: 13541719966
Ships in 1 Business Day
$ 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
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T#:379681
Part#: 11531714636
Ships in 1 Business Day
$ 7.99 USD
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$ 7.99 USD
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Heats & cools the throttle body
OEM Rein Upper Radiator Hose - M42 E30 318i/is
OEM Rein Upper Radiator Hose - M42 E30 318i/is
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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 Thermostat Coolant Hose - E30 M20
OEM Rein Thermostat Coolant Hose - E30 M20
For vehicles with a production date up to 09/1987
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T#:583586
Part#: 13541289976
Ships in 1 Business Day
$ 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 Lower Radiator Hose - M42 E30 318i/is
OEM Rein Lower Radiator Hose - M42 E30 318i/is
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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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