Have these oil recommended by a friend bekommen.Nach the oil change I was most pleasantly surprised, I felt a better passage and a slight decrease of Spritverbrauch.Der Cold start minus 4 degrees is a lot shorter, the engine immediately runs around and not jerky. Simply fantaststich! Property me then still the same, the transmission oil of which bought T + D Syntheticöl 75W90, it had purely filled into the gearbox and axle. That was the perfect Sache.Fahre a BMW E39 523i .To do everything right I called ahead and there was very nice and competent advice.