These oils are safe for your enigne. Do not use a non 229.51 oil in your Bluetec.

Amsoil European Car Formula 5W-40
Anglomoil RoadMaster 500 API SM 10W-40
Aral SuperTronic 229.51 0W-40 LOW SAPS
Aral SuperTronic Diesel 229.51 0W-40 LOW SAPS
Bizol New Generation SAE 5W-30 (added 09 July 2007)
Castrol EDGE Formula RS SAE 0W-40 (added 09 July 2007)
Castrol EDGE Turbodiesel SAE 0W-30 (added 09 July 2007)
Castrol Longtec Turbodiesel 0W-30 (229.51)
ELF Solaris LSX 5W-30
Fuchs TITAN GT1 229.51 SAE 5W-30 (first fill oil in OM 642)
megol Motorenoel New Generation SAE 5W-30
Mobil 1 ESP Formula M 5W-40 (to become available in the USA on 15 May 2006)
Mobil 1 ESP Formula 5W-30 Emission System Protection (Europe, from December 2005)
OMV BIXXOL special C3 SAE 5W-30 (added 09 July 2007)
Pentosynth HC 5W-40 (added December 2007)
Shell Helix Ultra AX 5W-30 Mercedes 229.51
Sunoco Synturo Xenon SAE 5W30 (added 09 July 2007)
Valvoline SynPower MST 5W-30 229.51 (added 01 June 2006)
Valvoline SynPower 5W-40 229.51 (added November 2007)
Valvoline SynPower 20W-50 229.51 (added November 2007)