Jim:

The cyclonic separator removes a very large proportion of the oil mist in the blowby and will greatly reduce oil consumption as the engine ages. Well worth the hassle of changing the o-rings.

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!