Thermostat – BMW 3, 5, 7 Series, Z3, Z4, X3, X5 (OEM 11531437040)

This high-quality thermostat with housing is a direct replacement for OEM part number 11531437040, ensuring proper engine temperature regulation and coolant flow in select BMW models. Also referred to as a coolant thermostat or engine thermostat.

Key Features:
- Direct replacement for OE part number 11531437040
- Controls engine operating temperature for optimal performance
- Supplied with housing for secure installation
- Durable construction for long service life

Compatible With:
- BMW 3-Series (E36, E46) – 318i, 320i, 323i, 325i, 328i, 330i, 320d (1992-2006)
- BMW 5-Series (E39, E60, E61) – 520i, 523i, 525i, 528i, 530i, 520d (1995-2010)
- BMW 7-Series (E38, E65, E66, E67) – 728i, 730i (1995-2009)
- BMW Z3 (E36/7, E36/8) – 1.9i, 2.0i, 2.2i, 2.5i, 2.8i, 3.0i (1995-2003)
- BMW Z4 (E85) – 2.2i, 2.5i, 3.0i (2002-2009)
- BMW X3 (E83) – 2.5i, 3.0i (2003-2011)
- BMW X5 (E53) – 3.0i (2000-2007)

Compatible Engine Codes:
- M52, M54, N42, N46, N52, and others

Year Range:
- 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 
- 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011

This is an aftermarket replacement part, not a genuine BMW component.