Center to center length: 142mm. Titanizing H Beam Connecting Rods For BMW 3 5 7 Z3 E36 E46 M52B28 ARP2000. 4340 Connecting Rods Conrods for BMW 3 5 Serie E36 E39 323i 523i M52 M52TUB25. 1994-1995 for BMW E36 M3 3.0 L S50B30US (US only).