BMW F80 Rear Differential Fluid Replacement DIY (2015-2018 BMW F80 M3, F82 M4, F87 M2 Competiton)

►Over the first 50,000 miles of skids, pulls, and cruising, your BMW's differential fluid will degrade until it no longer provides the lubricating properties it needs to prevent excess wear. At that point, BMW specifies a differential fluid replacement, but we'd be willing to bet many models out there have double the miles without any service. Differential fluid changes are often neglected, and that can mean problems down the road.

The specialized gear fluid is like engine oil in that it breaks down with use. Splitting the S55's power between the two rear wheels is a strenuous job, and the ring and pinion need to stay cool and lubricated for that to happen as designed. The replacement process can be a bit smelly thanks to the old fluid, but it's a quick job with very few steps.

In this video, FCP Euro's Professional DIYer, Mike Hidalgo, Replaces the differential fluid in an F82 BMW M4.

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00:00 - Intro
02:12 - Tools Needed
03:13 - BMW F8X M4 Differential Service
07:26 - Wrap-up

This video applies to the following vehicles:
BMW M4
2015 BMW M4 Differential Service Kit
Position: Rear Differential
2016 BMW M4 Differential Service Kit
Position: Rear Differential
2017 BMW M4 Differential Service Kit
Position: Rear Differential
2018 BMW M4 Differential Service Kit
Position: Rear Differential
2019 BMW M4 Differential Service Kit
Position: Rear Differential
2020 BMW M4 Differential Service Kit
Position: Rear Differential


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