BMW repackages techron as a fuel system cleaner. Honestly just go pick one up and try it to see it helps. If it doesn't then bring it back into the stealership and see what value they can offer you =D Good Luck!!
94 NSX - Garage Queen
97 Integra Type R - Track Warrior
01 BMW E39 M5 (Sold), 2x 02 BMW E39 M5 (Sold & sold)
07 E90 335i 6MT - DD
2013 E63 AMG Wagon - Family Hauler