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      10-24-2012, 08:26 PM   #15
SCBMW02
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Drives: 2019 X5 40i and 2022 Z4 M40i
Join Date: Feb 2008
Location: Florence,South Carolina

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It does get confusing. I thought the 35is was the only N54 engine, same as in the 335is and 1 M Coupe'. Going forward, will the is models stay with the N54 or will all eventually have the twin scroll N55?
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