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  See more parts for BMW 214d
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MMX Performance One-Piece High HP Crank Hub Upgrade Kit 4-Pin BMW S55/N55 E | F-Chasis 2004-2021 - MMR20-1004
Recommended for high-powered cars over 700HP.

Engine failures caused by the standard three-piece crank hub on the S55 and N55 engine are (unfortunately) well known, but these are fully addressed with the installation of the MMR Performance 4-pinned single-piece crank hub. Together with the option of adding our Capture Plate for ultimate security.

The centrepiece of the MMR kit is the UK made CNC-machined one-piece crank hub, created from billet EN36 steel that's heat-treated with a 0.75mm case hardening, making it incredibly strong and durable. Included are four aerospace precision machined dowels that mechanically lock the hub to end of the crank itself, plus a brand new OE bolt.

Installation of these dowels is certainly not a DIY job. But, to make the job easier for the professionals, ensuring that the required crank modifications are made safely and accurately, the MMR kit also includes a full installation jig that includes a bolt-on drilling guide, a location bolt for this guide, plus an HSS rolled high-speed drill bit.

Together, the single-piece design combined with the four-pin location ensures that there is simply no way that the friction plates can ever slip. With the new OE crank bolt tightened appropriately, this delivers a transformational improvement in reliability and peace of mind versus the OE version.

Fitment really is an absolutely essential insurance policy for any hard-driven N55 F-series car.



Fitment:
  • BMW 2 Series F22/F23 2014-2021
  • BMW 3 Series E90/E91 2005-2013
  • BMW 3 Series E92/E93 2011-2014
  • BMW 3 Series F30/F31 2012-2018
  • BMW 3 Series Gran Turismo F34 2013-2015
  • BMW 4 Series F32/F33 2013-2019
  • BMW 4 Series Gran Coupe F36 2016-2019
  • BMW 5 Series E60/E61 2004-2010
  • BMW 5 Series F10/F11 2011-2017
  • BMW 5 Series Gran Turismo F07
  • BMW 6 Series E63/E64 2004-2010
  • BMW 6 Series F12/F13 2011-2018
  • BMW 6 Series Gran Coupe F06
  • BMW M2 F87 2015-2018
  • BMW M2 Competition F87 2015-2018
  • BMW M2 CS F87 2015-2018
  • BMW M3 F80 2015-2020
  • BMW M3 CS F80 2015-2020
  • BMW M4 F82/F83 2015-2020
  • BMW M4 CS F82 2015-2020
  • BMW M4 GTS F82 2015-2020
  • BMW X3 F25 2011-2017
  • BMW X4 F26 2013-2018
  • BMW X5 E70 2007-2013
  • BMW X5 F15 2014-2018
  • BMW X6 E71 2007-2014
  • BMW X6 F16 2015-2018
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2014-2017
 BMW 214d
2014-2018
 BMW 216d
2014-2018
 BMW 218d
2014-2018
 BMW 218i
2014-2018
 BMW 220d
2014-2018
 BMW 220i
2014-2018
 BMW 225d
2014-2021
 BMW 225i
2014-2016
 BMW 228i
2016-2018
 BMW 230i
2008-2016
 BMW 316d
2006-2015
 BMW 316i
2006-2012, 2016
 BMW 318d
2016
 BMW 318i
2007
 BMW 320Cd
2007
 BMW 320Ci
2012, 2016-2017
 BMW 320d
2012, 2016-2018
 BMW 320i
2005-2008
 BMW 320si
2007
 BMW 325Ci
2012-2016
 BMW 325d
2012-2013
 BMW 325i
2012, 2016-2017
 BMW 328d
2012, 2016
 BMW 328i
2006-2008, 2010-2012
 BMW 328xi
2012-2016
 BMW 330d
2016-2017
 BMW 330e
2012-2013, 2016-2018
 BMW 330i
2012-2016
 BMW 335d
2005-2007, 2012, 2016
 BMW 335i
2011-2013
 BMW 335is
2007-2012
 BMW 335xi
2016-2018
 BMW 340i
2016
 BMW 350d
2014-2015
 BMW 420d
2019
 BMW 420i
2019
 BMW 425d
2019
 BMW 430d
2019
 BMW 435d
2013-2017
 BMW 435i
2016-2019
 BMW 440i
2005-2007
 BMW 630Ci
2007-2010
 BMW 630i
2007-2010
 BMW 635d
2012-2017
 BMW 640i
2004-2005
 BMW 645Ci
2006-2011
 BMW 650Ci
2006-2010, 2012-2018
 BMW 650i
2012-2016
 BMW ActiveHybrid 3
2013-2015
 BMW Alpina B3 Bi-Turbo
2015-2018
 BMW M2
2014-2016
 BMW M235i
2016-2018
 BMW M240i
2013-2020
 BMW M3
2015-2020
 BMW M4
2006-2010, 2013-2016, 2018
 BMW M6
2011-2017
 BMW X3
2013-2018
 BMW X4
2007-2018
 BMW X5
2007-2018
 BMW X6

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