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      12-31-2013, 10:52 AM   #68
SamS
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Drives: 2018 X3 M40i
Join Date: Jul 2010
Location: Dallas, TX

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Quote:
Originally Posted by Soorena View Post
Haha

I thought whatever comes after B points to it's displacement. Does B58 means it's going to be 5.8L? BMW has gone nuts, and it's clearly showing even in the reasonably sensed subject of engine naming.
I believe whatever comes after the B is the number of .5L cylinders.

B38 = 1.5L 3cyl Gas
B37 = 1.5L 3cyl Diesel
B48 = 2.0L 4cyl Gas
B47 = 2.0L 4cyl Diesel
B58 = 3.0L 6cyl Gas
B57 = 3.0L 6cyl Diesel

Now obviously the B58/B57 don't follow these guidelines. So either they just skipped using the B68/B67 monikers, or maybe the N55 replacement code has been reported incorrectly.
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2018 X3 M40i - current
2016 M3 - sold
2013 ActiveHybrid 3 - sold
2012 M3 coupe - sold