Ah, no... I've given up on additives. The word from MOP now is vary the octane of the fuel you put in...
They also say the problems aren't limited to MINI and that the repairs (if needed) are not being covered under warranty any more. Much as I detest class action law suits (like suing Starbucks for $114m for withdrawing a freinds and family free drink offer that you 'aquired' on the internet and they wouldn't honor
BBC NEWS | Business | Starbucks sued for pulling offer) I think the fuel issue needs one to get any action from the gas companies. The car makers say it's because you put bad gas in the car, but you have no choice, even if you buy Top Tier (tm). It's all bad...