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Old 11-14-2012, 03:25 PM
P-TownM3 P-TownM3 is offline
Silverstone F80 M3
Location: Pleasanton, CA
Join Date: Apr 2010
Posts: 180
Mein Auto: '15 F80 M3
Originally Posted by Stealth.Pilot View Post
I think there could be one of 2 explanations:
1) the 550i engine is identical but detuned.
2) the 550i does not have twin scroll turbo chargers.
The 550GT does not have twin scroll turbo chargers....not part of the N63tu update.
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