Water Pump Complete Assembly, BMW - 230i, 330i, 430i, 530i, X3/X4/Z4 30i

This part is listed by BMW as BMW part number 11518650988  (11 51 8 650 988) and is described as Genuine BMW Engine Coolant Pump Assembly for B46/B48 4-cylinder engines used on G42 230i (2021+), G20 330i, 330ix (2020+), G22/G23 430i/430ix (2021+), G30 530i, 530ix (2020+), G01 X3 30i, 30ix (2020+), G02 X4 30i, 30ix (2020+), and G29 Z4 30i (2020+).

This is the complete coolant pump assembly. It includes everything attached to the water pump and the support bracket to the engine block. It's much more complete and all-encompassing than just the water pump on its own (also available).

Included with this B46 water pump -

water pump (11518482250)
front connector (11518482253 or 11515A88E70)
connector o-ring (11518482256 or 11515A88E71)
rear neck (11515A74E79)
rear neck o-ring (11518482257)
pulley (11518591892)
pulley screw (11518482252)

Bolts to mount the bracket to the engine are not included. See BMW part #07119907865 under Related Items below.

This is a Genuine BMW B46 water pump with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

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