I have had a Frantz on my 2005 Dodge Cummins since new. 5000 mile oil change interval and 2500 mile filter change. UOA are boring as stated earlier. Good stuff in my opinion. Ed B
The 15k OCI sounds reasonable. When I bought my 2006 Mercedes E320 CDI it came with a suggested 13K OCI. It has an 8 quart oil capacity and a fleece oil filter. The BMW probably is equipped with a fleece filter as well. I did several UOAs and they came up fine. Good luck with it! Ed B
Two in the family here. After several years of driving/riding in my Dodge diesel truck the wife said she wanted a diesel car. She didn't like the Jetta so she got a Mercedes E320 CDI. Truck: 23mpg, car: 31mpg. Ed B
The general consensus on the Dodge Cummins boards is to do the first oil change around 1000 miles. I have a 2005 CTD and the oil does get black real quick. I installed a Frantz Bypass Filter and it cleaned the oil right up.
I bought a Dodge 3/4 ton with the Cummins. I don't need a diesel, just wanted one. When my company picked up the Chrysler purchase plan I couldn't resist. 31K for a decked out diesel truck. The reason for the Dodge decision was that the wife and I have driven Dodge/Jeep vehicles for the last 15...