Category: Engines

The N73 was a V12 petrol engine that was introduced in 2003 and replaced the M73B54 engine. For the BMW E65 760i and E66 760Li, the N73B60 engine had an 89.0 mm bore and an 80.0 mm stroke for a capacity of 5972 cc. Furthermore, the N73B60 engine weighed 280 kg. For the F01 760i […]

The BMW N57 was a 3.0-litre inline, six-cylinder turbo-diesel engine that was available from 2008 and replaced BMW’s M57 engine. The N57 engine had an 84.0 mm bore and a 90.0 mm stroke for a capacity of 2993 cc. The N57TU (Technical Update) was introduced in late 2010. BMW N57 The N57 engine featured a […]

Available from 2001, the BMW N62 was a V8 petrol engine that replaced the M62 engine. A completely new engine, the N62 had a 90-degree ‘V’ angle and was initially available in 3.6- and 4.4-litre capacities (the N62B36 and N62B44, respectively). The N62 was updated for the N62B48 engine that was developed for the 2004 […]

The BMW N52 was an inline six-cylinder petrol engine that was available in 2.5- and 3.0-litre capacities. Available from 2004, the N52 engine replaced the M54 engine and introduced a number of mass reduction measures – at 161 kg, it was 10 kg lighter than the M54. Although the N52 was superseded by the N53 […]

The BMW N54 was a 3.0-litre inline six-cylinder petrol engine which had two parallel turbochargers. With its 84.0 mm bore and 89.6 mm stroke, the N54 engine had a capacity of 2979 cc. From 2007 to 2012, the N54 engine won six consecutive ‘International Engine of the Year’ awards. Block The cylinder block for the […]

Available from 2009, the BMW N55 was a 3.0-litre inline six-cylinder petrol engine which had a single twin-scroll turbocharger. With its 84.0 mm bore and 89.6 mm stroke, the N55 engine had a capacity of 2979 cc. The N55 engine replaced BMW’s N54 engine which had two parallel turbochargers. N55 Block Like the N54, the […]

The BMW N46 was an inline four-cylinder petrol engine that was available from 2004 to 2012. The N46 replaced BMW’s N42 engine, though changes were relatively minor. The N46 engine had an aluminium alloy block and cylinder head, two gear-driven balance shafts, double overhead camshafts (chain-driven), variable intake and exhaust valve timing (BMW’s double VANOS), […]

The BMW N47 was an inline, four-cylinder turbo-diesel engine that replaced the M47 engine. From 2014, the N47 was progressively replaced by the B47 engine. Crankcase The N47 had a closed-deck, deep skirt aluminium alloy block with cast iron cylinder liners. Furthermore, the N47 had a reinforcing shell which connected the centre bearings to the […]

The BMW N42 was an inline four-cylinder petrol engine that was available from 2001 to 2004. The N42 replaced BMW’s M43 engine and won the International Engine of the Year Award in 2001. The N42 engine had an aluminium alloy block and cylinder head, two gear-driven balance shafts, double overhead camshafts (chain-driven), variable intake and […]

The BMW N45 was an inline four-cylinder petrol engine that was first released in 2003. The N45 was a revised version of the N40 engine. The N45 engine had an aluminium alloy block and cylinder head, two gear-driven balance shafts, sequential fuel injection, double overhead camshafts (chain-driven), variable intake and exhaust valve timing (BMW’s double […]