BMW 5 Series (E39) – Wikipedia, the free encyclopedia

14 Apr 2015 | Author: | Comments Off on BMW 5 Series (E39) – Wikipedia, the free encyclopedia
BMW 5-Series

BMW 5 Series (E39)

The BMW E39 is the BMW 5 Series between 1995 and 2003. The E39 was the of the BMW E34 in 1995, and was replaced by the E60 in 2003. to Germany and most of Western began in 1995, and by 1996 to the rest of the world had commenced. A refresh appeared in 2000, minute detail changes.

At launch, the base model was the which developed 112#160;kilowatts in the pre-update models, and 126#160;kilowatts in later models. An M5 variant was in 1998, with a 4.9-litre S62 V8 All models but the M5 were available as a saloon or an estate. the latter Touring.

Contents

Engineering [ ]

Body [ edit ]

BMW 5-Series

The E39 all-steel body acts as a cage for occupant protection.

The rigidity of the monocoque was increased computer-aided engineering. This key points to be reinforced, to increase without significantly adding to the The overall increase is 10#160;kilograms which is offset by the aluminium

Laser welding techniques rigid bonding throughout. [ 5 ] area of focus in the design of the was in structural dynamics. The body was so that the frequencies for torsional and bending are in separate ranges and natural frequency. These are out of the range of engine and driveline thus they will not them. [ 6 ]

The aerodynamically designed body and of the E39 gave the 528i and 540i, and 0.31 drag coefficients Torsional rigidity was also over the E34. by 40#160;percent. [ 6 ] The was so stiff that the rigidity was for the E60 model. [ 7 ] [ not in citation given ] added stiffness allows the to work with more It also allows total of ride quality through the rather than in combination body flex. [ 6 ]

Steering and suspension [ edit ]

the E39, two steering types and pivot, MacPherson strut systems are used. For the 520i–530i BMW, for the first time in a 5 utilised rack and pinion [ 8 ] This not only offers reductions over the recirculating type used on the V8s, but provides quicker steering through its variable ratio, as as a more precise feel. system steers from the of the axle. [ 6 ]

BMW 5-Series
BMW 5-Series
BMW 5-Series
BMW 5-Series
BMW 5-Series
BMW 5-Series
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