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Old 01-23-2013, 10:36 AM
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Emission Emission is offline
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Location: North of Los Angeles, CA
 
Join Date: Dec 2001
Posts: 10,688
Mein Auto: Schnelle Autos
Quote:
Originally Posted by Kzang View Post
In this case having two versus one turbo does not mean more means better.

The N54 engine was a parallel twin-turbochargers while the N55 is a single twin scroll turbocharger. Both engines produced same output but the N55 was more fuel efficient, lower emissions, less turbo lag.
Yeah, but the N54 is a better engine from the enthusiast's perspective. More top end power and tuning capabilities. Even BMW knows that.

- Mike
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