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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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Old 01-19-2013, 10:14 PM
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K-A K-A is online now
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Mein Auto: Porsche Macan S SportDsgn
Originally Posted by Decboy View Post
I test drove both multiple times before going with the 550. The $4500 difference was a comfortable one for me to go with the 550. When cruising, you can't really tell the difference in terms of power between the N55 and N63 engines. It's really in the acceleration that you feel the punch with the N63 engine. I have to say the N55 does have that sportier feel especially while cruising while the N63 seems too smooth. That's just my observation.
I think that's a really concise and great way to put it.
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Old 07-21-2013, 05:09 AM
Steve J Steve J is offline
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There is alot of difference between the 535i and 550i. One of the most glaring ones will be felt when four hefty adults are in each sedan with full loads of luggage and travelling uphill. The 550i has diesel-rivaling torque and that is the most important factor when starting from a stop or in passing acceleration or in being able to handle increased resistance (ie increased load). The 550i will carry the hefties with alacrity. Conversely, power inadequacy will be felt in the smaller engine.
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