found this on da intraweb

dunno what it means tho

Have a read of this,

http://www.driverstechnology.co.uk/oils.htm

interesanto

so ELF EVOLUTION 700 ST 5L = 17,93 eur has the following specifications



A3 High performance and/or extended drain
B4 For direct injection car diesel engines
SL - Introduced 2001 - all new engine tests reflective of modern engine designs meeting current emissions standards
CF - Introduced 1994 - modernised version of CD, reverts to single cylinder low emission test engine. Intended for certain indirect injection engines
VW - 500.00, 501.00 and 505.00
Later specs like 503, 504, 506 and 507 are better performing more up to date oils
MB - 229.1
Later specs like 229.3 and 229.5 are better performing more up to date oils.



lets compare this to selenia 20k, above 6 eur for 1L

A3 High performance and/or extended drain
SL - Introduced 2001 - all new engine tests reflective of modern engine designs meeting current emissions standards
CF - Introduced 1994 - modernised version of CD, reverts to single cylinder low emission test engine. Intended for certain indirect injection engines
VW - 500.00, 501.00 and 505.00
Later specs like 503, 504, 506 and 507 are better performing more up to date oils
Fiat 9.55535-G2 Qualification for gasoline engine lubricants with standard characteristics.



so these two oils appear to be same **** apart from price