FOR BMW 3 SERIES E36 / 5 SERIES E39 & E60, E61 / 7 SERIES E38, E65, E66 / Z3 E36/7, E36/8 & Z4 & X3 E83 & X5 E53 M50 M52 ENGINES SINGLE VANOS REPAIR KIT (TEFLON + VITON ) ******* Single Vanos Seals Repair Kit (6-cyl) M50TU, M52, US S50, S52 ****** Symptoms of this failure include: - Overall loss of power and torque particularly in the lower RPM range. - Loss of power with air conditioning on. - Louder idle. - Increased fuel consumption and difficult cold weather starts. ****** Fault Codes: Any P fault code relating to the vanos unit or exhaust valve cams. P1519 error in your OBD computer more than likely the issue with the Vanos seals but normally you wont see any error show up. ****** This vanos unit is part of BMW 6-cylinder engines M50TU, M52, US S50, S52. ****** BMW 3-series E36 1992-1998 / BMW 5-series E39 1999-2003 & E60/E61 2002-2005 BMW 7-series E38 1998-2001 & E65/E66 2002-2005 BMW Z3 E36/7 (roadster) / E36/8 ( coupe ) 1995-2002 BMW Z4 E85 2002-2005 BMW X3 E83 2003-2006 BMW X5 E53 2000-2006 ****** Comes with the following: 1x larger Viton o-ring with x1 outer Teflon ring