BMW M54B25 2.5 i6 engine for E39 E46 E53 E83 E85 Z3 Z4 X3 325i 525i
BMW's most iconic M54 motor, from a well-maintained 2003 E46 @167k km. Direct swap for Z3, Z4, X3, E39 and E46 to 2005 5 series 523i/525i/523it/525it 3 series 323i/323Ci/325i/325Ci/325it Z3 and Z4 2.5 The single most reliable modern six cylinder engine, by the maker of the world's best engines. Only produced between 2000 to 2005. - 2.5L twin cam in line 6 with 24 valves - Adaptive fuel injection - On-plug coil packs, knock sensors, timing chain, in a world-leading all aluminium design - Full