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  1. #1
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    Need Help with Oil Specs/brands

    Recently traded a Corvette for an 08 135i. It is my first ever experience with a BMW and Was the best trade I ever made. I never thought that a car can be that much fun to drive and perform that well. I want to change the oil even though the Volkswagon dealer said it was done a few weeks ago. Not sure what he put in. Some tell me to buy oil from BMW and that any other brand could be harmful. I always used Mobile1 in the Corvettes and thought of using it in the Bimmer. Please give me your opinions based on your experiences. Thanks in advance.

    ncChris

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    Use any LL-01 oil if you want to stick with what BMW recommends, but a lot have used other oils such as Rotella T-6 or Motul 300V or 8100 Xcess.

    I spoke to some experienced guys at bimmerfest this past weekend, and they swear by Motul, 300V for the track and Xcess 8100 for the street. Use 5w-40 viscosity.
    Eppur si muove.

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    I asked a similar question a few weeks ago. Pretty good answers in the thread, you might want to take a look:

    http://www.bimmerboost.com/showthrea...-0w40-Thoughts

    I'm going to continue using OEM oil, Castrol 5w-30.

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    I ran Mobil 1 0w-40 exclusively for about 30k miles. I changed my oil at 7500 miles, even though I still had 9000 miles left on the oil life monitor. Right around 6500 miles, The car would say I was a quart low, so I would add one. the last time I changed the oil I went with Castrol /sytec/edge/whatever 5w-40, and I never had the issue with being a quart low between changes. I guess the thicker castrol does a better job at staying behind the turbos seals and valve guides and stuff. Inside of the engine looked great with both oils, no varnishing or anything like that.

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    Click here to enlarge Originally Posted by ajm8127 Click here to enlarge
    Use any LL-01 oil if you want to stick with what BMW recommends, but a lot have used other oils such as Rotella T-6 or Motul 300V or 8100 Xcess.

    I spoke to some experienced guys at bimmerfest this past weekend, and they swear by Motul, 300V for the track and Xcess 8100 for the street. Use 5w-40 viscosity.

    /thread

    Spot on advice. Switched from OEM to 300v, and noticed a huge difference. Tried Rotella, but idle is much rougher and temp control isn't nearly as good. 8100 after that, and it is a good bridge between the 2.

    Also, don't buy into the 3-5k interval for 300v is bunk. Changed it after 2 HPDE's and/or 7500 miles per RRT.

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    Thank you for you inputs. I did phone Castrol and asked the rep there the same question. He told me that Castrol formulate san oil specifically for BMW and that I would have to go to BMW for it.. I then called the Mobil people and they said the Mobil! was excellent for my N54.

    Chris

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