The BMW F8X M3 & M4 could be optionally fitted with the brilliant M-Performance Exhaust. Unfortunately, many of these units were plagued with a known cracking issue leading to some troubling symptoms for the exhaust itself. In this video, I break down the issue itself and offer some insight into repairs that can be performed to prevent it from happening again. Hope you all enjoyed and please leave a like as well as subscribe for more great content!

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