EVO mag has had a Z4 35i for a long term car for a few months now.
Here are the reports to date:
1: http://www.evo.co.uk/carreviews/evolongtermtests/237943/bmw_z4_sdrive_35i.html
2: http://www.evo.co.uk/carreviews/evolongtermtests/239524/bmw_z4_sdrive_35i.html
3: http://www.evo.co.uk/carreviews/evolongtermtests/245386/bmw_z4_sdrive_35i.html
4: http://www.evo.co.uk/carreviews/evolongtermtests/244792/bmw_z4_sdrive_35i.html
Here are the reports to date:
1: http://www.evo.co.uk/carreviews/evolongtermtests/237943/bmw_z4_sdrive_35i.html
2: http://www.evo.co.uk/carreviews/evolongtermtests/239524/bmw_z4_sdrive_35i.html
3: http://www.evo.co.uk/carreviews/evolongtermtests/245386/bmw_z4_sdrive_35i.html
4: http://www.evo.co.uk/carreviews/evolongtermtests/244792/bmw_z4_sdrive_35i.html