Genuine BMW Front Strut Bump Stop OEM 31336854700 - Fits F20/F21 M135i/M135iX, F23 M235i/M235iX, F31 xDrive 328iX, F32/F33/F36 4 Series, G29 Z4 20i/30i, G01 X3 M40dX, MINI F54 Clubman JCW ALL4

BMW Front Damper Jounce Bumper 31336854700

Protect your front suspension, reduce harsh impacts and bring back that tight, refined ride with this genuine BMW OE jounce bumper. Part number 31336854700 is the exact factory front damper stop used by BMW, giving the correct length and density to control bump travel, soften hard hits and safeguard your shock absorbers during spirited driving or rough roads.

We run this part on our own builds and on customer vehicles, and the feedback is consistently excellent. Expect crisper steering feel, fewer knocks over potholes and added confidence when your suspension is loaded up.

• Original BMW component for the front damper assembly, precise fit and finish
• Prevents bottoming out and protects the internal valving of your shocks
• Perfect when replacing dampers or springs or refreshing high mileage suspension
• Maintains correct bump travel for predictable handling and comfort
• Part number: 31336854700

Applications

Confirmed fitment for the following platforms and variants:

1 Series

• F20 04/2011 to 02/2015 M135i, M135iX
• F20 LCI 06/2014 to 06/2016 M135i, M135iX
• F21 12/2011 to 02/2015 M135i, M135iX
• F21 LCI 06/2014 to 06/2016 M135i, M135iX

2 Series

• F23 03/2014 to 06/2016 M235i, M235iX

3 Series

• F31 08/2011 to 06/2015 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 335iX
• F31 LCI 12/2014 to 06/2016 328iX

4 Series

• F32 09/2015 to 02/2017 440i
• F33 03/2013 to 02/2017 420d, 420i, 425d, 428i, 428iX, 430d, 430i, 430iX, 435dX, 435i, 435iX, 440i, 440iX
• F33 LCI 05/2016 to 12/2019 420d, 420i, 425d, 430d, 430i, 430iX, 435dX, 440i, 440iX
• F36 Gran Coupé 07/2013 to 03/2017 418d, 418i, 420d, 420i, 425d, 428i, 428iX, 430d, 430i, 430iX, 435i, 435iX, 440i, 440iX
• F36 Gran Coupé LCI 05/2016 to 12/2019 418d, 418i, 420d, 420i, 425d, 430d, 430i, 440i

X Series

• G01 X3 10/2017 to 12/2019 M40dX

Z Series

• G29 Z4 10/2017 to 12/2019 20i, 30i

MINI

• F54 Clubman 11/2015 to 07/2019 JCW ALL4
• F54 Clubman LCI 05/2018 to 12/2019 JCW ALL4

Fitment check

We verify compatibility before dispatch. Add your UK registration or the last 7 of your VIN at checkout and we will confirm 31336854700 suits your chassis.

Installation

Professional fitting recommended. For expert installation, speak to MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Warranty

Two year manufacturer warranty for UK customers and one year for international orders when a compatible VIN is supplied at checkout.

Why this part

Choosing an OE front suspension stop ensures the correct compression rate and ride height support, restoring the damping curve engineers intended. It is a simple, cost effective upgrade during a shock or spring refresh that can transform everyday comfort and consistency on B-roads and motorways alike. We recommend replacing in pairs for balanced performance.

Search terms customers use

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Order with confidence from MJ Modifications for the correct OE component, guaranteed fit and the ride quality your BMW or MINI deserves.