Originally Posted by BimmaDrew
bmwmick...your link just confirmed what I said...the N55 is in the 35i and the N54 is in the 35is. My question to everyone was will this remain the same for the 2012 models (your link doesn't go into that)?
No it does not,
The N55 has never been part of the Z4 (at least in the USA) Read it again,
2011 35i 6-speed, ///M Sport, Deep Sea Blue, Black leather, Carbon trim, Cold Weather package, Premium package, 6CD changer. Delivered 7/15/11. Michelin Pilot SuperSport tires 10/24/12