Lower Thermostat Coolant Hose, Rein - E30 325i 88+, E34 525i M20

This part is listed by BMW as BMW part number 11531718982 (11-53-1-718-982) and is described as Coolant Hose for later M20. This hose carries coolant from the crossover pipe to the thermostat housing for 1988+ E30 325i, 325is, 325iX, 1988 “Super E” 325e, and E34 525i with the M20 engine.

This part is also used to convert the 1987 cooling system to the late 1988 E30 cooling system, which also requires the radiator, expansion tank, and additional hoses.

This is a coolant hose manufactured by Rein (CRP) Automotive - an original supplier to BMW for many engine components. As an OEM, Rein meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.