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      12-25-2017, 08:47 PM   #1
drewF87
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Differences between 2011 and 2012

Any significant differences between the 2 model years? I read some where BMW's M Division did a special tune for the 2011 model year only. Is this true? If so, is it a big deal?
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      12-25-2017, 09:31 PM   #2
Esteban
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The only difference I know of between the 2011 and 2012 1 series was a 2012 LCI (facelift) update.

http://www.1addicts.com/forums/showthread.php?t=466003

BMW did change the engine to the N55 (from N54) and the transmission to the Dual Clutch Transmission (from Steptronic) in 2011 for the 135i. You could still get a 6-speed manual in any year.

Never heard of a special tune by the M division for the 2011 Model Year. If there was one I'd love to know about it since I own a 2011. lol

I read that the rear coil springs were changed from progressive to linear in 2011 for the 135i as well, as far as I know, that's it.
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      12-26-2017, 03:44 AM   #3
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2011 changes (US):
N55
DCT
LCI Mirrors
CIC
Syle 261 wheels for m sport

2012 changes (US):
LCI Headlights
LCI Tail lights
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      12-26-2017, 11:56 AM   #4
Esteban
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Here's a couple of interesting threads that talk about changes throughout the years for the 135i:

http://www.1addicts.com/forums/showthread.php?t=414111

http://www.1addicts.com/forums/showt...php?p=20835803
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2011 E82 N55 135i ///M Sport 7-SP DCT LeMans Blue/Black Boston Leather
Dinan Stage 2 BMW Performance Suspension Performance Exhaust 313s Blacklines Black & Chrome Grilles Pirelli P Zeros 225/255
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      12-30-2017, 10:54 PM   #5
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Quote:
Originally Posted by smrtypants44 View Post
2011 changes (US):
N55
DCT
LCI Mirrors
CIC
Syle 261 wheels for m sport

2012 changes (US):
LCI Headlights
LCI Tail lights
I actually believe the change from CCC to CIC occurred around 2009.
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