After searching the forum, I've found a number of threads on Vanos repair:
http://www.z4-forum.com/forum/viewtopic.php?f=2&t=3600&hilit=vanos+repair#p51017
http://www.z4-forum.com/forum/viewtopic.php?f=30&t=17204&p=408102&hilit=vanos+repair#p408102
http://www.z4-forum.com/forum/viewtopic.php?f=2&t=21131&p=298454&hilit=vanos#p298454
Who's done the repair? Was the improvement significant (in terms of power/torque increase, mpg etc)? How experienced a DIY mechanic do you need to be?
I am thinking about doing it, but want to be sure that the benefits will be worth the 6 hour investment (or money equivalent!)
Cheers
Adam
http://www.z4-forum.com/forum/viewtopic.php?f=2&t=3600&hilit=vanos+repair#p51017
http://www.z4-forum.com/forum/viewtopic.php?f=30&t=17204&p=408102&hilit=vanos+repair#p408102
http://www.z4-forum.com/forum/viewtopic.php?f=2&t=21131&p=298454&hilit=vanos#p298454
Who's done the repair? Was the improvement significant (in terms of power/torque increase, mpg etc)? How experienced a DIY mechanic do you need to be?
I am thinking about doing it, but want to be sure that the benefits will be worth the 6 hour investment (or money equivalent!)
Cheers
Adam
