Replacement radiator bottle thermostat (also referred to as coolant expansion tank thermostat / coolant thermostat / radiator thermostat), manufactured to OE specification by SMP as a direct replacement for BMW OEM part number 17111437362. Designed to regulate coolant flow as part of the cooling system to support correct engine temperature control.
Key Features:
- Direct replacement for BMW OEM part number 17111437362
- Radiator bottle / coolant expansion tank thermostat
- OEM-quality component manufactured by SMP
- Aftermarket brand reference: B49001 (SD195152)
- Helps maintain correct coolant temperature regulation
- Supports stable engine operating temperature and cooling system performance
- Suitable for routine cooling system maintenance and thermostat replacement
Compatible With:
BMW 3 Series (E46) – Saloon, Coupe, Touring, Convertible & Compact: 316i, 316Ci, 316ti, 318i, 318Ci, 318ti, 320i, 320Ci, 323i, 323Ci, 325i, 325Ci, 325xi, 328i, 328Ci, 330i, 330Ci, 330xi (1998-2007)
BMW X5 (E53) – 3.0i (2000-2007)
BMW X3 (E83) – 2.5i, 3.0i / 3.0i xDrive (2003-2006)
BMW Z4 (E85, E86) – Roadster & Coupe: 2.2i, 2.5i, 2.5si, 3.0i, 3.0si (2003-2009)
Year Range:
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Fitment Note:
This is an aftermarket replacement part, not a genuine BMW component.
