Spotted this on ebay so thought i'd post it up.
http://www.ebay.co.uk/itm/BMW-Z4-/170734703459?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item27c094d363
I had one of these fitted to my Roadster and it made a world of difference to the 1st to 2nd gear change.

http://www.ebay.co.uk/itm/BMW-Z4-/170734703459?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item27c094d363
I had one of these fitted to my Roadster and it made a world of difference to the 1st to 2nd gear change.