Quote:
Originally Posted by Knifeedge2k1
it's clear why this is done
It's a cost cutting measure, why have another engine with different parts when you can use the same engine across multiple models (20i & 30i) with simply software change.
The modular design already cuts a LOT of cost but going one step further to combine 20i & 30i engines makes a LOT of sense given the 20i isn't even available as a trim level in some regions (there is no 320i in the united states as far as I know).
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No true. Engine block and some other parts are the same (as a cost saving measure) but a lot of mechanical parts are different. Only fool can think that BMW will skip on the opportunity to save money on pistons, fuel pump, injectors, intercooler, turbo and other parts of the lower spec engine variant.