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Originally Posted by fe7565
I was not aware of these combined changes to new BMW engines (I am still with my 2012 N26 engine  . Good choice and glad they are doing that. I am sure that GDI 's lack of cleaning the valves et al may have been the main reasons for the hybrid "compromise" since it's not cheap to retool an entire engine product line. |
Info I have (Bosch) is the return to a mix of direct and port injection is not due to deposit issues -- Bosch addresses deposit issues with the recommendation to use gasoline with detergents -- but rather to obtain better combustion by making use of the intake valve heat.