Coolant Expansion Tank, Rein - E46 (non-M), X3, X5 3.0 (17117573781)

New coolant reservoir / overflow tank for E46 323i/325i/328i/330i, E83 X3, and E53 X5 3.0.

This is the tank only - reuse your original cap and level sensor. A Kit is also available that includes all of these (see below).

This is an OEM expansion tank manufactured by Rein - an original supplier to BMW for many other cooling parts. As an 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.

BMW Fitments:

3 Series
E46 (99-05) > 320i
E46 (99-05) > 323Ci
E46 (99-05) > 323i
E46 (99-05) > 325Ci
E46 (99-05) > 325i
E46 (99-05) > 325xi
E46 (99-05) > 328Ci
E46 (99-05) > 328i
E46 (99-05) > 330Ci
E46 (99-05) > 330i
E46 (99-05) > 330xi
X3 Series
E83 X3 (04-10) > X3 2.5i M54 (2004-2005)
E83 X3 (04-10) > X3 3.0i M54 (2004-2006)
E83 X3 (04-10) > X3 3.0si N52 (2007-2010)
X5 Series
E53 X5 (00-06) > X5 3.0i M54