I own a Mercedes & BMW shop in Mandeville, La. (North Of Lake Pontchatrain) Well because we live across the longest bridge in the world (Causeway) We get to see some pretty high mileages (580,000 is one that comes to mind)
This extended service A-B now A-B-C-D is such crap. Worse is BMWs 15,000 intervals. We have BMW oil pans on display with 45K on them with 1/2 inch of TAR in the bottom (I'll send pics to the unbelievers)
Why do you think we have problems with MB oil level sensors.
CHANGE THE FREAKING OIL ALLREADY. We have our customers service A every 5K and its still black.
I have had this conversation with numerous lubrication engineers and they all agree "Your not changing the oil because its broke down/Your changing it to remove all the combustion by-products, sulfer, carbon, acid. If there was a way of doing this and then putting the additives packages back in the OIL WOULD LAST FOREVER.
Also a word on this light as baby oil engine oil.
In a recent phone teleconference (that I didn't want to be in) with the BMW factory, Peake BMW (New Orleans BMW dealer) and the husband & wife of a 06 BMW X5. The dealer wanted to install their thin Quaker State and told the customer I was STEALING their money because I was telling the customer "Don't go more than 5K & change with Mobile 1 15W50"
To my total amazement the factory sided with me (on the viscosity only / due to our 95+ temps with 100% humidity)
Well I'll get off my soapbox now. Besides the class action lawsuits will prove me right ie; Lexus, Mercedes and it can't come soon enough for BMW
Thanks, Greg
P.S. How about "Lifetime Transmissions" Lifetime instead of 250,000 lets try 65,000 and time for a NEW one. That ill keep them buying BMWs & Benzs

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Greg Maxwell, President
Munchen Motors Inc.
Bosch Service Center, Est. 1987