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      05-14-2012, 03:11 PM   #18
German Engineering
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Drives: '10 E87 116d
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Originally Posted by ozinaldo View Post
In real life driving conditions you never can reach those max torque levels at those rpms. You need to be pushing the car in the sixth gear at 1200 rpm for that. Those numbers do not really give you an understanding of either the throttle response or the turbo lag of the two engines.

The bottom line is the reason for passing from N54 to N55 or from a twin turbo set up to twin scroll single turbo set up was mainly due to achieve better efficiency, not more performance.
I've never driven a BMW with the N54, just the N55. Thanks for the information. What about Valvetronic? Does it make any difference in the N55?