Quote:
Originally Posted by Leo328i
E60 is worth talking about too.
Fully aluminium front frame.
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It does has its drawbacks
From BMW at the time of the E60:
Quote:
On the one hand, an aluminum body section offers reduced shielding against
external electrical radiation, making it necessary for separate shielding of the wiring harnesses and electronic control units.
On the other hand, riveted and bonded aluminium components do not always
provide a guaranteed circuit to ground.
This results in individual front end components being connected (in production) with small EMC safety weld seams and in the event of repair, with grounding straps.
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