B99 is fine too. If your fuel line orings are already old, switching to bio will likely hasten their failure; that failure will happen regardless and shouldn't occur immediately.

Other than that there should be no problems. I get 10% less mpg's on B99.

__________________
Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)