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Is a 15W-50 Oil Too Thick for Cold Temperatures, and Would Mixing with 0W-40 be Better?
I have a supercharged 2001 BMW 330ci with 107,000 miles on it. It has always burned oil, even when new. Now, however, it burns a quart in only 650 miles. I was told I should have been using 15W-50 syn...
New Jersey has cold enough winters that we recommend you continue to use 0W-40 at least in the winter. In the spring, summer and fall you can use Mobil 1 15W-50 and see if this improves your oil consu...
Value of Changing to Mobil 1 ESP Formula M 5W-40
I have a 1992 Mercedes Benz 300D 2.5 turbo diesel that I have been using Kendall 15W-40 Super D 3 in. It has 300,000 miles and it uses no oil between changes.  Also I have a 2001 F350 7.3 liter turbo ...
You can use either product for this application, but since you do not have a diesel particulate filter on any of these vehicles, we would recommend you use Mobil 1 0W-40.
Why Use Mobil 1 0W-40 Instead of Mobil 1 10W-30 in Newer BMWs
I have used Mobil 1 for more than 20 years in its various forms, and it has always given me confidence with my performance oriented vehicles. I have questions about Mobil 1 10W-30 vs. 0W-40 for my new...
We recommend you use the Mobil 1 0W-40 that is specifically designed for your vehicle. The 0W-40 viscosity grade actually provides a thicker oil film at operating temperature compared to the 10W-30. I...
Should a Car Driven 11,000-Miles/Year Stay on Mobil 1 or be Switched to Extended Performance?
My BMW service indicator normally shows my car needs an oil change about every 17,000 miles. I only drive 11,000 miles per year, so I change the oil once a year and use Mobil 1 5W-30. Is there any rea...
We recommend you use Mobil 1 0W-40.  It is tested and proven in vehicles like your BMW.
Lack of a 10W-60 Viscosity in the Mobil 1 Synthetic Motor Oil Product Line
I have a 2004 BMW M3. The factory fill and claimed requirement to use for an oil change is a Castrol 10W-60 that's only available from the dealer currently for an exorbitant price. Your site claims th...
Given the limited applications for 10W-60 fully synthetic products, it is not likely that Mobil 1 will introduce a 10W-60.
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