Febi Bilstein Vacuum Pump Seal Set - 174463. This seal set is designed for vacuum pumps and includes quantity 1, sold individually. It has a weight of 0.006 kg and features thicknesses of 2.5 mm and 3.2 mm. The inner diameters are 93 mm (Inner Diameter 1) and 55 mm (Inner Diameter 2). Please check the item information carefully for compatibility with your application. Failure to do so could result in the incorrect part. This product is designed to be used as originally intended and not modified for purpose. Please ensure the products are installed by a competent individual. Products are usually supplied without fitting instructions. Cross references include 3RG74100AJ, USA77005700, BBR Automotive 001-10-23123, Dr.Motor Automotive DRM0560, SELRING 522.900, FREY 800500401, LIZARTEDRM0560, SMAXGEAR 70-0449, MEC-DIESEL 960425, MI.R.A. 29/6021, KMTR12220927, NTYPVP-BM-000, OSS C. It is compatible with BMW Z4 E85 2.0 from 05 to 09 with engine code N46B20B, part number 11668626471.