BMW
Genuine BMW S55 Differential Input & Output Shaft Seal Kit with Final-Drive Gear Oil - F80 M3, F82 M4, F83 M4, F87 M2 Competition | OEM GBMW0041
Genuine BMW S55 Differential Input & Output Shaft Seal Kit with Final-Drive Gear Oil - F80 M3, F82 M4, F83 M4, F87 M2 Competition | OEM GBMW0041
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Rear Final Drive Seal Service Pack for S55-powered F8x M Cars
Eliminate rear axle oil weeps and protect your performance drivetrain with this factory-original rear final drive seal pack for S55 models. Built for the F80 M3, F82 M4, F83 M4 and F87 M2 Competition, this comprehensive bundle refreshes the pinion area and both side outputs in one go and includes fresh final drive lubricant for a complete service. Perfect for curing drips from the prop flange or halfshafts and ideal preventative maintenance for track and fast road cars.
We have fitted this pack on our own S55 builds and many customer vehicles at MJ Modifications with consistently excellent results. Fit is exact, sealing is robust and owners report clean garages, quiet operation and confidence on spirited drives and track days.
Why this kit
- Genuine BMW components for precise tolerances and long life
- Targets common leak points at the pinion and both axle stubs
- Includes new fasteners and gaskets for a thorough reseal
- Fresh final drive oil supplied for a full service in one box
- Proven in-house by MJ Modifications on multiple F8x platforms
What you get
- Shaft seal 50 x 76 x 10, quantity 2
- Assembly ring, quantity 2
- Dust cover plate, quantity 1
- Repair kit insert nut M39 x 1.5 x 20, quantity 1
- Shaft seal 50 x 80 x 9, quantity 1
- Final drive gear oil MSP/A 1 L, quantity 1
- Gasket, quantity 2
- Collar nut M8, quantity 4
Vehicle fitment
For BMW M models with the S55 engine:
- F87 M2 Competition, including LCI 09/2016 to 12/2019
- F80 M3 04/2012 to 06/2015 and LCI 01/2015 to 10/2018
- F82 M4 02/2013 to 02/2017 and LCI 05/2016 to 12/2019
- F83 M4 06/2013 to 02/2017 and LCI 05/2016 to 12/2019
Real-world benefits
- Stops oil misting around the prop shaft flange and output flanges
- Helps protect diff bearings, clutches and gears from fluid loss
- Prevents contamination of brake hardware and tyres
- Keeps underbody clean and reduces unwanted odours
Part number
GBMW0041
Professional fitting
We recommend installation by specialists. For expert fitting and a quick turnaround, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
Compatibility check
We validate fitment before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout so we can confirm suitability for your car.
Manufactured by
BMW. Factory-original parts for the best reliability and fit on S55 drivetrains.
Warranty
Two-year manufacturer warranty for UK customers and one-year for international customers when a VIN is provided at checkout on compatible vehicles.
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