We have various testing machines to design accurate and precise parameters for our products. All switches are performance tested. According to the factory specifications, it fits the car perfectly. Replaces old or damaged products, easy to install. Condition:New Part Number: for 61 31 9 122 509 for 61 31 6 967 324 for 61 31 6 928 042 for 61 31 6 989 557 for 61319122509 for 61316967324 for 61316928042 for 61316989557 for SWAG20 94 6485 for SWAG20946485 Fits: for 1 (E81)(2006/09 - 2012/09) for 3 (E90)(2005/01 - 2011/12) for 3 Touring (E91)(2005/09 - 2012/06) for 3 Coupe (E92)(2006/06 - /) for 3 Convertible (E93)(2006/08 - /) for X5 (E70)(2007/02 - 2013/06) for 1 Coupe (E82)(2007/10 - /) for 1 Convertible (E88)(2008/03 - /) for X6 (E71, E72)(2008/05 - /) for Z4 (E89)(2009/05 - /) for X1 (E84)(2009/03 - /) for 1 (E87)(2003/11 - 2013/01) Colour:Black Material:plastic Package Contents: 1 x Angle sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.