Next BMW 5-series will be steel

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   Next BMW 5-series will be steel
The next BMW 5-series will abandon the part-aluminium construction
of the current model in favour of an all-steel chassis when it is
launched next year, Autocar has discovered.
The change is being
made for reasons of cost and ease of manufacture. The 5-series uses an
aluminium space frame front end, bonded and riveted to a steel rear. It
was developed to provide better weight distribution and to cut weight.
But
a key BMW insider said that the aluminium structure has proved to be
too costly and hard to build in large volumes. �It was an expensive
solution and troubling to perfect in large-scale production,� he said.
BMW also abandoned plans to provide the new 7-series with an aluminium front end.
The
change is evident in the 5-series GT Concept, the executive hatch
unveiled at the Geneva motor show that will become a production car
later this year. Its structure is all steel.
[source]

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kbannon Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Admin Group E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508	Post Options Post Reply Quote kbannon Report Post Thanks(0) Quote Reply Topic: Next BMW 5-series will be steel Posted: 11-March-2009 at 21:42
	Next BMW 5-series will be steel The next BMW 5-series will abandon the part-aluminium construction of the current model in favour of an all-steel chassis when it is launched next year, Autocar has discovered. The change is being made for reasons of cost and ease of manufacture. The 5-series uses an aluminium space frame front end, bonded and riveted to a steel rear. It was developed to provide better weight distribution and to cut weight. But a key BMW insider said that the aluminium structure has proved to be too costly and hard to build in large volumes. �It was an expensive solution and troubling to perfect in large-scale production,� he said. BMW also abandoned plans to provide the new 7-series with an aluminium front end. The change is evident in the 5-series GT Concept, the executive hatch unveiled at the Geneva motor show that will become a production car later this year. Its structure is all steel. [source]
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