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 […]
make: BMW
BMW N46 Engine (2004-12)
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), […]
BMW N47 Engine (2007)
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 […]
BMW N42 Engine (2001-04)
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 […]
BMW N45 Engine (2003-11)
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 […]
BMW N13 Engine (2011-16)
The N13 was BMW’s turbocharged version of the 1.6-litre ‘Prince’ four-cylinder petrol engine which it developed in conjunction with PSA Peugeot Citroen. With its 77.0 mm bore and 84.8 mm stroke, the N13B16 engine had a capacity of 1598 cc. The N13 had a two-piece crankcase and bedplate that were made from die-cast aluminium. Beyond […]
BMW N20 Engine (2011)
The BMW N20 was an inline, four-cylinder turbocharged petrol engine that was available from January 2011. Effectively replacing the N52 and N53 six-cylinder engines, the design of the N20 engine was based on the six-cylinder N55 engine. With its 84.0 mm bores and 90.1 mm stroke, the N20 engine had a capacity of 1997 cc. […]
BMW M62 and S62 Engines (1996-05)
Available from 1996, the BMW M62 was a 90-degree V8 petrol engine that replaced the M60. The M62 was superseded by BMW’s N62 engine. M62 crankcase For Europe and Australia, the standard M62 crankcase was made from aluminium alloy AlSi9Cu3 as per the M60 engine. For these engines, the cylinder bores were coated in a […]
BMW M70 and S70 Engines (1987-96)
BMW M70 Engine M70B50 engine Available from 1987, the M70 was a 5.0-litre V12 petrol engine that was first used in the E32 750i and 750iL. The first post-war twelve-cylinder German engine, the M70 had a 60-degree ‘V’ angle, a 75.0 mm stroke and an 84.0 mm bore (the same as the related six-cylinder M20 […]
BMW M73 Engine (1994-02)
Available from 1994, the M73 was a 5.4-litre V12 petrol engine that was first used in the E38 750iL. Based on the 5.0-litre M70 V12 engine which it replaced, the 5379 cc M73 engine had a 60-degree ‘V’ angle, an 85.0 mm bore and a 79.0 mm stroke. Furthermore, the M73 was mated to the […]