Well after a few months of BMW having my car in for a couple of weeks at a time trying to fault find an intermittent fault, this was from before June, its now fully developed. Hopefully the video and the car misfiring in front of them will allow them to trace the problem once and for all.
[youtube]MGX9fxaNtxo[/youtube]
[youtube]MGX9fxaNtxo[/youtube]