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      09-09-2016, 06:21 PM   #35
mikekilpatrick
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Drives: 2013 BMW F10 550 Xdrive Msport
Join Date: Mar 2010
Location: Philadelphia (South-NJ)

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Quote:
Originally Posted by cipher5 View Post
While I'm not sure if the 550i one will work with the brakes, parts wise, the M5 does have a different Master Cylinder than the 550 (34336799903 vs 34336796729 respectively). Interestingly enough, the M5 master cylinder is used on the M5, M6, and the 640 and 650, but not the 550.
Interesting cross reference on REALOEM:

34336799903
5' F10   (06/2010 — 05/2016)
6' F06 GC   (10/2011 — 02/2015)
6' F06 GC LCI   (09/2014 — 05/2016)
6' F12   (03/2011 — 02/2015)
6' F12 LCI   (05/2014 — 05/2016)
6' F13   (03/2011 — 02/2015)
6' F13 LCI   (06/2014 — 05/2016)

34336796729

5' F07 GT   (03/2010 — 06/2012)
5' F10   (01/2009 — 06/2013)
5' F10 LCI   (08/2012 — 05/2016)
5' F11   (01/2009 — 06/2013)
5' F11 LCI   (08/2012 — 05/2016)
6' F06 GC   (05/2011 — 03/2015)
6' F06 GC LCI   (05/2014 — 05/2016)
6' F12   (10/2009 — 02/2015)
6' F12 LCI   (05/2014 — 05/2016)
6' F13   (03/2010 — 02/2015)
6' F13 LCI   (05/2014 — 05/2016)

Looks like Overlap on certain years, which lead me to think they are interchangeable.
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