Thread: More N55 info
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      03-27-2013, 09:03 PM   #151
Jack Dempsey
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Drives: Batmobile
Join Date: Mar 2013
Location: Gotham

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Need advices

Hi gents,

After reading some of your post I still can’t make a clear decision. Most of the N54 vs N55 comparisons I red only concern the tunability and powerband. Actually I’m on the market for buying a used 135i MT. I want the best fuel efficiency as possible, the lowest long term maintenance cost and the best reliability. Which engine comply the most with my needs? Should I go with N54 or new version N55 engine and why? Does it worth the price to pay more to get a more recent car with the twinscroll single turbo? Feel free to reply with any comments that could guide my choice or refer to existing post if information already there.

I’m not planning to modify the car and I will use it as my daily drive. I’m not interested anymore in a twin clutches transmission.

My previous car is a modified Ralliart 2009 (12.9s@104mph), stock turbo, 26psi

Thanks for your expertise.
Appreciate 0