Originally Posted by david.rowlands
Hi thinking of a tuning box for my 177, does anyone know if this item can be removed for a service so that bmw don't comment on it on the service page, is the car's smoothness taken away by these tuning boxes, does the extra power make much difference to the 0-60 time? has anybody seen any figures? any help woud be great cheers
As advised by a mate who is a BMW service manager, don't leave a plug in tuning box attached during a service. Their service computer will spot it. If there is any problems with the engine in the future, tuning box related or not, BMW could refuse to repair/replace under warranty. Once the box is removed the service computer will never know it was there. As it takes two minutes to remove the engine cover and plug in or out it makes sense to remove it.