Quote:
Originally Posted by Bee Pee
Not necessarily. I think it's more to do with weight reduction to help keep 5dr m135i in the same emissions bracket as 3dr m135i.
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Looking back at the E30, the 2 door version had less torsional rigidity than the 4 door version, but was also 20 kg lighter.
For the E36, BMW added reinforcements to the 2 door car, so the weight was the same. Now the torsional rigidity was also similar.