hi
to all any body used castrol formula rs?. my aero 9000 has always had full synthetic oil looking at the history. since this is the first service since ive had the car iam after info on this oil. my other saabs ive always used semi . the rs castrol is a 0W-40
to all any body used castrol formula rs?. my aero 9000 has always had full synthetic oil looking at the history. since this is the first service since ive had the car iam after info on this oil. my other saabs ive always used semi . the rs castrol is a 0W-40
