I used a three foot cheater bar and lifted my 130 lbs clear off the ground and slammed back down when it came loose . Make darn sure that plug is clean and the tool is in there all the way or it just might round out. Don't you just love allen head bolts? Does anyone else think diff fluid stinks?

__________________
Seth

1984 300D 225K
1985 300D Donor body
1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!!
1980 300SD 311K My New Baby.
1979 BMW 633csi 62K+++? Dead odo