Quote:
Originally Posted by southlight
BMW choosing 28i as name of the new petrol turbo four makes their intention pretty clear, this engine is meant to replace the N53 inline six pretty much across the range. Maybe, but only maybe, the'll also offer a inline 6 330i, but most certainly not in the US.
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But remember south, the Z4 is confirmed to get the turbo 4 cyl later this year as well. So, unless they plan to change the name from "Z4 30i" to "Z4 28i", then we can conclude the "30i" designation is to be attached to the 4 cyl engine as well.
It is theoretically possible they could use two different engines for the same model suffix (its happened before), or they could even come up with a new name - maybe "32i" or "33i" - for a naturally aspirated 6 cylinder. But I strongly doubt either of these two possibilities. At this point it is abundantly clear that the N51/N52/N53 natuarlly aspirted 6 cylinder family will be phased out completely and will not be used for any more new BMW models.