Hi - I own a P38 which is 17 years old - 2.5l v6 (bmw engine) manual gearbox. I've owned the car for over 5 years. The radiator needs replacing, but for unknown reasons, the current radiator has the integrated oil sump which we have since found out is normally found on the v8 petrol auto engine. We believe the current radiator is the original and therefore would like to find out why there is a discrepancy with the radiator fitted as a search on our reg plate provides information for a radiator without the oil sump. Any information that anyone can provide would be gratefully appreciated. Many thanks.