(11531266459)-Hose-Water Pump to Thermostat-all with M30 engine (1971-1993) (Genuine BMW) (1 available)

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$28.63 $19.95

Description:

BMW part # 11531266459 is the thermostat-to-water pump coolant bypass hose . This 90-degree molded rubber elbow links the water pump outlet directly back to the thermostat housing body. It allows coolant to loop internally through the engine block to warm it up evenly before the primary thermostat opens up to the radiator circuit. It supersedes older part number 11531250387. 

 

I've sold hundreds of these over the years as they fit all M30 6-cylinder engine models from 1971-1993. I had problems with some of the aftermarket "459" hoses in my early years and switched exclusively to factory BMW for consistently proper fit. (gar2-Y7)

 

  • BMW 3 Series (E9 Coupes): 2800CS, 3.0CS, 3.0CSi, 3.0CSL (1971–1975)
  • BMW 5 Series (E12, E28, E34): 528i, 530i, 533i, 535i, 535is (1975–1993)
  • BMW 6 Series (E24): 630CSi, 633CSi, 635CSi, L7 (1977–1989)
  • BMW 7 Series (E23, E32): 733i, 735i, 735iL (1978–1992) 

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