Genuine BMW Differential Assembly Ring - OEM Final Drive Diff Ring - Part 31537502681 - Fits 1/2/3/4/5/6/7/8 Series, E82 135i, F20 M135i, F22 M235i/M240i xDrive, G30 5 Series, G80 M3, F90 M5, X3 M F97, X4 M F98, MINI F54/F60

BMW Ring Gear 31537502681 - Rear Differential Crown Wheel Replacement

Keep your driveline tight, quiet and strong with this factory original rear axle ring gear for BMW and MINI. Part number 31537502681 is the direct replacement crown wheel used across a wide range of platforms, from 1 Series and 3 Series to M cars, X models and selected MINI applications listed below. Perfect for differential overhaul, gear rebuilds and preventative maintenance where you want exact fitment and long service life.

We fit these regularly at MJ Modifications and customer feedback has been outstanding. It slots straight in, meshes correctly with the matching pinion in applicable housings and restores smooth, consistent final drive operation. If you are hunting for a BMW ring gear, crown wheel, rear diff gear ring, final drive gear ring or rear axle gear ring for models like E82 135i, F20 M135i, F22 M235i or G30 5 Series, this is the correct BMW part number to choose.

Why enthusiasts and workshops choose 31537502681

• Exact-match BMW part number 31 53 7 502 681 for guaranteed compatibility on listed vehicles
• Precision cut gear teeth for quiet running and consistent engagement
• Ideal for differential refresh, bearing service and gearset replacement
• Retains factory drivability and performance characteristics
• Proven in our own workshop builds with excellent durability and customer satisfaction

Search-friendly terms customers use

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Compatibility overview

This BMW ring gear suits a broad range of models. If you are unsure, add your UK registration or the last 7 of your VIN at checkout and we will verify fitment before dispatch.

1 Series

• 1 Series E81 02/2006 - 12/2011
• 1 Series E87 02/2003 - 02/2007
• 1 Series E87 LCI 02/2006 - 06/2011
• 1 Series E88 11/2006 - 10/2013
• 1 Series E82 06/2009 - 10/2013
• 1 Series F20 07/2010 - 02/2015
• 1 Series F20 LCI 05/2014 - 06/2019
• 1 Series F21 07/2010 - 02/2015
• 1 Series F21 LCI 05/2014 - 06/2019
• 1 Series F40 06/2018 - 12/2019

2 Series

• 2 Series F22 10/2012 - 06/2017
• 2 Series F22 LCI 09/2016 - 12/2019
• 2 Series F23 03/2014 - 06/2017
• 2 Series F23 LCI 09/2016 - 12/2019
• 2 Series F44 Gran Coupe 10/2018 - 12/2019
• 2 Series F45 Active Tourer 03/2014 - 02/2018
• 2 Series F45 Active Tourer LCI 04/2017 - 12/2019
• 2 Series F46 Gran Tourer 07/2014 - 03/2018
• 2 Series F46 Gran Tourer LCI 05/2017 - 12/2019

3 Series

• 3 Series E46 04/1997 - 08/2006
• 3 Series E90 02/2004 - 09/2008
• 3 Series E90 LCI 07/2007 - 12/2011
• 3 Series E91 03/2004 - 08/2008
• 3 Series E91 LCI 07/2007 - 05/2012
• 3 Series E92 05/2005 - 02/2010
• 3 Series E92 LCI 11/2008 - 06/2013
• 3 Series E93 09/2005 - 02/2010
• 3 Series E93 LCI 09/2009 - 10/2013
• 3 Series F30 02/2011 - 07/2015
• 3 Series F30 LCI 09/2014 - 10/2018
• 3 Series G20 10/2017 - 12/2019
• 3 Series F31 07/2011 - 07/2015
• 3 Series F31 LCI 09/2014 - 06/2019
• 3 Series G21 05/2018 - 12/2019
• 3 Series F34 GT 07/2012 - 06/2016
• 3 Series F34 GT LCI 09/2015 - 12/2019

4 Series

• 4 Series F32 11/2012 - 02/2017
• 4 Series F32 LCI 05/2016 - 12/2019
• 4 Series F33 03/2013 - 02/2017
• 4 Series F33 LCI 05/2016 - 12/2019
• 4 Series F36 Gran Coupe 07/2013 - 03/2017
• 4 Series F36 Gran Coupe LCI 05/2016 - 12/2019

5 Series

• 5 Series E60 07/2004 - 02/2007
• 5 Series E60 LCI 10/2005 - 12/2009
• 5 Series E61 09/2004 - 02/2007
• 5 Series E61 LCI 11/2005 - 05/2010
• 5 Series F07 GT 09/2008 - 06/2013
• 5 Series F07 GT LCI 08/2012 - 02/2017
• 5 Series F10 01/2009 - 06/2013
• 5 Series F10 LCI 08/2012 - 10/2016
• 5 Series F11 01/2009 - 06/2013
• 5 Series F11 LCI 08/2012 - 02/2017
• 5 Series G30 10/2015 - 12/2019
• 5 Series F90 M5 01/2016 - 12/2019
• 5 Series G31 03/2016 - 12/2019

6 Series

• 6 Series F06 Gran Coupe 05/2011 - 03/2015
• 6 Series F06 Gran Coupe LCI 05/2014 - 09/2018
• 6 Series F12 10/2009 - 02/2015
• 6 Series F12 LCI 05/2014 - 05/2018
• 6 Series F13 03/2010 - 02/2015
• 6 Series F13 LCI 05/2014 - 10/2017
• 6 Series G32 GT 09/2016 - 12/2019

7 Series

• 7 Series F01 06/2007 - 06/2012
• 7 Series F01 LCI 05/2011 - 05/2015
• 7 Series F02 07/2007 - 06/2012
• 7 Series F02 LCI 05/2011 - 05/2015
• 7 Series F03 04/2008 - 05/2012
• 7 Series F03 LCI 01/2012 - 03/2015
• 7 Series F04 Hybrid 10/2008 - 06/2012
• 7 Series G11 10/2014 - 02/2019
• 7 Series G11 LCI 01/2018 - 12/2019
• 7 Series G12 10/2014 - 02/2019
• 7 Series G12 LCI 01/2018 - 12/2019

8 Series

• 8 Series G14 10/2017 - 12/2019
• 8 Series F91 M8 11/2017 - 12/2019
• 8 Series G15 10/2017 - 12/2019
• 8 Series F92 M8 11/2017 - 12/2019
• 8 Series G16 Gran Coupe 05/2018 - 12/2019
• 8 Series F93 M8 10/2018 - 12/2019

X Models

• X1 E84 09/2008 - 06/2015
• X1 F48 11/2014 - 06/2019
• X1 F48 LCI 05/2018 - 12/2019
• X2 F39 10/2016 - 12/2019
• X3 E83 01/2003 - 07/2006
• X3 E83 LCI 02/2006 - 08/2010
• X3 F25 06/2009 - 08/2017
• X3 G01 09/2016 - 12/2019
• X3 M F97 02/2017 - 12/2019
• X4 F26 05/2013 - 03/2018
• X4 G02 03/2017 - 12/2019
• X4 M F98 06/2017 - 12/2019
• X5 E70 02/2006 - 03/2010
• X5 E70 LCI 04/2009 - 06/2013
• X5 F15 08/2012 - 06/2018
• X5 G05 09/2017 - 12/2019
• X6 E71 04/2009 - 06/2014
• X6 F16 09/2013 - 05/2019
• X6 G06 06/2018 - 12/2019
• X7 G07 11/2017 - 12/2019

Z Models

• Z4 E85 12/2002 - 08/2008

MINI

• Clubman F54 03/2015 - 07/2019
• Countryman R60 01/2010 - 10/2016
• Countryman F60 11/2015 - 12/2019
• Paceman R61 03/2012 - 09/2016

Rolls Royce

• Cullinan RR31 10/2017 - 12/2019

How to confirm fitment

We verify compatibility before we ship. Add your UK registration or the last 7 of your VIN at checkout and our team will confirm this part suits your vehicle.

Fitting and workshop support

Professional installation is recommended. MJ Modifications in Warwickshire can supply and fit this BMW ring gear for you. For a fitting quote or booking, email info@mjmodifications.co.uk.

Part number

31537502681

Manufacturer and warranty

Manufacturer: BMW

Warranty: Two years BMW manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.