For BMW 5 Series E39 520i 523i 525i 530i 2000-2004. For BMW 3 Series E46 320i 323i 325i 328i 330i 2000-2006. For BMW Z3 2.0i 2.2i 2.5i 2.8i 3.0i 2000-2003. The main drive belt runs the water pump, power steering pump and alternator on the M52TU and M54 engines.
