1. The neck cover is easy to install, no additional adjustments, no drilling 2. Made of lightweight, wear-resistant ABS plastic, it has the highest high temperature resistance, corrosion resistance and long-term durability. Durability, performance, and protection against water and corrosion. 3. Prevent sundries from entering the water tank through the water filling port, and prevent boiling water from overflowing from the water tank port 4. Installation location: installed on the water tank 5. Material: ABS 6. OE: 17111712492, 17110152374, 17111468076 17111742231, PCD100200L 7. Applicable models: Suitable for BMW>318I>1992-1998 Suitable for BMW>318IS>1992-1997 Suitable for BMW>318TI>1995-1999 Suitable for BMW>323CI>2000 Suitable for BMW>323I>1998-2000 Suitable for BMW>323IS>1998-1999 Suitable for BMW>325CI>2001-2006 Suitable for BMW>325I>1992-2005 Suitable for BMW>325IS>1992-1995 Suitable for BMW>325XI>2001-2005 Suitable for BMW>328CI>2000 Suitable for BMW>328I>1996-2000 Suitable for BMW>328IS>1996-1999 Suitable for BMW>330CI>2001-2006 Suitable for BMW>330I>2001-2005 Suitable for BMW>330XI>2001-2005 Suitable for BMW>525I>1990-2003 Suitable for BMW>528I>1997-2000 Suitable for BMW>530I>1994-2003 Suitable for BMW>535I>1990-1993 Suitable for BMW>540I>1994-2003 Suitable for BMW>545I>2004 Suitable for BMW>550I>2014-2016 Suitable for BMW>550I GT>2013-2017 Suitable for BMW>650I>2013-2017 Suitable for BMW>735I>1990-1992 Suitable for BMW>735IL>1990-1992 Suitable for BMW>740I>1993-2001 Suitable for BMW>740IL>1993-2001 Suitable for BMW>745I>2002-2005 Suitable for BMW>745LI>2002-2005 Suitable for BMW>750I>2006-2016 Suitable for BMW>750IL>1990-2001 Suitable for BMW>750LI>2006-2015 Suitable for BMW>760I>2004-2006 Suitable for BMW>760LI>2003-2008 Suitable for BMW>840CI>1994-1997 Suitable for BMW>850CI>1993-1997 Suitable for BMW>850CSI>1994-1995 Suitable for BMW>850I>1991-1992 Suitable for BMW>ALPINA B6>2015-2017 Suitable for BMW>ALPINA B7>2007-2015 Suitable for BMW>ALPINA B7L>2013 Suitable for BMW>M3>1995-2006 Suitable for BMW>M5>1991-2016 Suitable for BMW>M6>2012-2017 Suitable for BMW>X3>2004-2010 Suitable for BMW>X5>2000-2006 Suitable for BMW>Z3>1996-2002 Suitable for BMW>Z4>2003-2008 Suitable for BMW>Z8>2000-2003