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 509for 61 31 6 967 324for 61 31 6 928 042for 61 31 6 989 557for 61319122509for 61316967324for 61316928042for 61316989557for SWAG20 94 6485for SWAG20946485Fits: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:BlackMaterial:plasticPackage Contents:1 x Angle sensorOnly 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.