This part is listed by BMW as BMW part number 11538843405 (11 53 8 843 405) and is described as the heat management module for B46D and B48D engines used in F44 228i/M235i Gran Coupe, X1 28i, and X2 28i/M35i.
The Heat Management Module is the critical central portal for the B46 cooling system. It's an intelligent thermostat, routing hot and cool fluid to various points in the system.
This is an OEM B46 thermostat manufactured by INA - the original supplier to BMW for this part, as well as many other engine 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.
This part replaces or is compatible with BMW part numbers 11538843405, 11 53 8 843 405, 11538631943, 11 53 8 631 943.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
2 Series
F44 Gran Coupe (2021+) > 228i xDrive GC
F44 Gran Coupe (2021+) > M235i xDrive GC
X1 Series
F48 X1 (2016+) > X1 28i
F48 X1 (2016+) > X1 28i xDrive
X2 Series
F39 X2 (2018+) > X2 M35i
F39 X2 (2018+) > X2 sDrive28i (FWD)
F39 X2 (2018+) > X2 xDrive28i
