Quote:
Originally Posted by manuelf
Why? 
You have read? It's an N55B30 TO Nobody knows what exactly the extension "TO" means. At least it tells us that it is a completely new performance stage of the N55! It can introduce a lot of changes even to the "hardware". Think of forged crank shaft (like the modified N54 foer 1M/Z4is) or advanced forced induction system (bigger turbo or re-introduction of a real twin-turbo again - look at Alpinas new B3/B4, where they have added a second turbo to the N55 - so the technology is already there!) ... |
Exactly...we'll have to wait and see. Bigger turbo or twin turbo (?) I thought BMW changed to a single turbo to meet emission and gas consumption targets.