Service Kits for BMW G01 X3 xDrive30i B46 2.0L

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The water pump is a known failure point on most BMWs, new and old. Sometimes it's best to completely service this area. Here you'll find water pump service kits!
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Water Pump & Thermostat Kit - Gen 1 B46 2.0L
Water Pump & Thermostat Kit - Gen 1 B46 2.0L
For model years 2018-2019
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:35863149
Part#: 11518638026TKT
Ships on Jul 29, 2026
Sale - Save 5% $ 731.99

This product was last offered at the strikethrough price on
06-30-2026

$ 696.75 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 5%
$ 731.99

This product was last offered at the strikethrough price on
06-30-2026

$ 696.75 USD
Free Shipping on orders $49 and up
Add to Wish List
BMW's cooling system has long been a known weak spot, with the water pump and thermostat being two of the most common trouble areas. This remains true even in the latest B-Series engines found in 2016 and newer BMW models. This kit includes a brand-new OEM Pierburg water pump, a Bremmen thermostat (now referred to as a Heat Management Module), and one gallon of BMW's G48 coolant concentrate (enough to make two gallons of 50/50 coolant). Avoid spending thousands at the dealership or over $600 on Genuine BMW parts! These components can be replaced with high-quality OEM parts in just an afternoon using basic hand tools.
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Genuine BMW Water Pump & Thermostat Kit - Gen 1 B46 2.0L
Genuine BMW Water Pump & Thermostat Kit - Gen 1 B46 2.0L
For model years 2018-2019
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:35863148
Part#: 11518638026KT
Ships in 2 Business Days
$ 754.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 754.99 USD
Free Shipping on orders $49 and up
Add to Wish List
The cooling system has always been a weak point for BMW. Two of the biggest issues are the water pump and thermostat. This continues to be true even on the newest B-Series engines found in 2016+ BMWs. This kit includes a brand new Genuine BMW water pump, a new thermostat (now referred to as a Heat Management Module), and 1 gallon of BMW's G48 coolant concentrate (makes 2 gallons of 50/50 coolant). Don't spend thousands of dollars at the dealership, these can easily be replaced in an afternoon with basic mechanic's tools.
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