Quote:
Originally Posted by adc
Quote:
Originally Posted by radio3
Please let me know if the following impressions are correct:
The N55 has better sound and less turbolag. The S55 has a little more top end power and much more aftermarket tuning potential. In stock tune the two are roughly comparable overall (each has different pros and cons but in end there's not much overall difference), however with aftermarket upgrades the S55 can provide much more power and therefore may be considered to be the motor with more potential.
Sound about right?
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Not really.
The N55 sounds better. This is it. Everything else goes to the S55: response/lag, power in stock form, cooling, aftermarket.
I think anyone who says different is in denial. Wait until you see the difference it will make in the M2...
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Nonsense. Having driven both back to back there is certainly less lag in the N55. Not sure if this is M3 owner insecurity but I fail to see how you could miss this on a test drive.
I'd say the sentiment is pretty accurate. N55 absolutely out of breath in high rpm. S55 pulls almost like NA at the top.