Replacement coolant pipes and the auxiliary water pump for the turbos on the S55 engine in F80 M3, F82 M4, and F87 M2 Competition. If you're replacing or upgrading your F8X turbos it might be a good idea to refresh the cooling system for them.
Included in this kit -
11517850568, turbo cooling aux water pump
11537848505, rubber/metal hose from engine block to aux water pump
11537848506, metal pipe from aux pump to turbos (feed line)
11537848507, metal pipe from turbos to the main engine water pump (return line)
Each pipe includes new o-rings. If your existing pipes and the pump are in good condition and there's no need to replace them, you should still replace the o-rings for each pipe. See Related Items below.
This package includes the water pump and pipes from the original suppliers to BMW for many other cooling components. As the OEM it 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.
BMW Fitments:
2 Series
F87 (2016-2021) > M2 CS Racing
F87 (2016-2021) > M2 Competition S55 (2019+)
3 Series
F80 (2015-2018) > M3 (2015-2018)
4 Series
F82 / F83 (2015-2020) > M4 (2015-2020)
F82 / F83 (2015-2020) > M4 GT4
F82 / F83 (2015-2020) > M4 GTS
