Thanks for your reply. Can't really work out if it is worth £700 to me as I find throttle response is fine, except for the really low rev flat spot.
I have had an upgrade at my BMW main dealer who called me in to get a software upgrade to do with theft security. I guess that's unrelated becuase there has been no change in the low end throttle response.
Ive not had anything else done at my request.
Have you ever had any issue with low end throttle response?
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