BMW E63 / E64 6-Series

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Published on Thursday, 23 August 2012 14:38

The BMW E63 and E64 is the last model of the BMW 6-Series of luxury coupes, manufactured by BMW at the Dingolfing Plant in Germany. The car was introduced in 2004 and was built as a 2-door coupé or a cabriolet, also called a convertible. There were several engine variants ranging from a 3.0 litre straight-6 to a 5.0 litre V10 which were available throughout the M6 range. Production ended in July 2010.

In 1989 the original 6-Series was surpassed by the more expensive and higher performance 8-Series car. In late 2003, the 6-Series was reintroduced as a 2004 model as a coupé or E63 and the cabriolet variant or E64 variant. The E63 and E64 are based on the BMW E60, the latter which forms the fifth generation of the 5-Series sedan.

The baseline engine is a 3.0 litre engine with a 2996 cc N52 straight-6 engine which was capable of producing 190 kW or 255 Hp at 6600 rpm and 300 N·m of torque from between 2500 and 4000 RPM. For the 2006 Moto GP, the BMW 645i was used as a pace car for each round that year.

The V8 engine fitted to the 645Ci is the N62 (N62B44) engine which is shared with the 545i, 745i and X5 E70, with BMW Valvetronic. These are all aluminum engines with 4-valves per cylinder which are quicker revving than the older M62 engines. The N62with produces 245 kW or 333 Hp and 450 N.m of torque at 3700 RPM.

BMW later increased the N62 displacement to 4.8 liters, producing 268 kW or 359 Hp at 6300 rpm and 487 N.m 359 lb·ft of torque at 3400 RPM. Europe markets were offered a diesel engine for the 635d or 3.0 L6 twin turbo diesel as in the 535d and 335d. The engines are capable of producing 286 Hp or 213 kW at 4400 RPM together with 580 N.m of torque.

Transmission choices came in the form of a 6-speed manual or 6-speed automatic Steptronic and for the high-performance M6 the 7-speed Getrag SMG III semi auto was at first the only transmission available and then the SMG III also was optional on the V8 series of the 645Ci and 650i.

In late 2006, BMW announced the M6 convertible as an upcoming 2007 model. The 2008 model year M6 Coupé and Cabriolet both benefited from the standard 6-Series refresh during the fall of 2007. In 2007 BMW debuted an updated BMW 6-Series Coupe and Convertible cars which both share the E60 M5 engine and transmissions.

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