This coolant reservoir tank is designed for use with specific E46 and X5 E53 models.It includes a cap and is constructed from , heat-resistant plastic suitable for under-hood conditions.The package contains one coolant expansion tank with cap as shown. Compatible with: E46 316i 1.9L M43 B19 (September 1998 – February 2005) E46 316i 1.6L M43 B16 (April 2000 – February 2005) E46 318d 2.0L diesel M47 D20 (March 2003 – February 2005) E46 318i 1.9L M43 B19 (February 1998 – September 2001) E46 320d 2.0L diesel M47 D20 (September 2001 – February 2005) E46 330d 2.9L diesel M57 D30 (October 1999 – February 2005) E46 330d 3.0L diesel M57 D30 (March 2003 – February 2005) E46 330xd 3.0L diesel M57 D30 (September 2002 – December 2004) E46 330xd 2.9L diesel M57 D30 (January 2000 – February 2003) E46 Cabriolet 320 Cd 2.0L diesel M47 D20 (February 2005 – December 2007) E46 Cabriolet 330 Cd 3.0L diesel M57 D30 (August 2005 – December 2007) E46 Compact 318td 2.0L diesel M47 D20 (March 2003 – February 2005) E46 Compact 320td 2.0L diesel M47 D20 (September 2001 – February 2005) E46 Coupe 316 Ci 1.6L M43 B16 (April 2000 – July 2006) E46 Coupe 318 Ci 1.9L M43 B19 (November 1999 – September 2001) E46 Coupe 320 Cd 2.0L diesel M47 D20 (November 2003 – July 2006) E46 Coupe 330 Cd 3.0L diesel M57 D30 (March 2003 – July 2006) E46 Touring 318d 2.0L diesel M47 D20 (March 2003 – February 2005) E46 Touring 318i 1.9L M43 B19 (October 1999 – September 2001) E46 Touring 320d 2.0L diesel M47 D20 (September 2001 – February 2005) E46 Touring 330d 2.9L diesel M57 D30 (October 1999 – February 2005) E46 Touring 330d 3.0L diesel M57 D30 (March 2003 – February 2005) E46 Touring 330xd 3.0L diesel M57 D30 (August 2002 – May 2005) E46 Touring 330xd 2.9L diesel M57 D30 (January 2000 – March 2003) X5 E53 3.0d 2.9L diesel M57 D30 (April 2001 – September 2003) X5 E53 3.0d 3.0L diesel M57 D30 (October 2003 – September 2006)