BMW VACUUM PUMP GASKET KIT N42 & N46 ENGINE CODES . N42 & 46 ENGINES ONLY. 2005-2008 E85 Z4 2.0i. That's the VITON-TECH difference. 2009-2015 E84 X1 sDrive18i / xDrive18i. Our kit contains our 2 custom built Viton seals required to permanently repair the well known leaks on these models.
