4th July 2012, 09:11
Company Representative for RK Autowerks
Join Date: Sep 2010
2003 E39 M5 TiAg
Thanked 376 Times in 257 Posts
My Genius (Dimsport is my memory is right) is just a tool. It doesn't provide the new map to get the performance improvements. Your best bet for an E39M5 tune is the Evolve Alpha-N tune... No more troublesome MAF's and great power that's upgradable as you get more go fast bits...
Shoot Sal or Imran an email at
Salman at evolveautomotive dot com
Imran at evolveautomotive dot com
If there's anything we can help with here in the US, let us know
support at RKAutowerks dot com
2003 TiAg M5: RK Stage 2 Carbon Edition SC making 618BHP at 9psi...
Jamie at RKautowerks.com