Tesco momentum fuel

[garycab]

Anyone use this in their JCW ?, i used to use it in my tt225 and really thought it made a difference all round, only had it a couple of weeks so just asking opinions.

[0llie]

Used to use it in my R56 Cooper S.

By far the biggest bangs from the exhaust on up shifts and overrun (especially with the fJCW exhaust), fuel economy was usually worse because I provoked it into doing the above quite a bit

BP Ultimate was also good, but Esso 97 and others didn't quite have the same effect.