Is is OK to use a different oil?
02-10-2008, 10:02 AM
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Originally Posted by jes0331' post='529590' date='Feb 10 2008, 01:53 PM
I have such a long successful history with Mobil 1 synthetics its hard for me to change. I just trust the M1 product. I have no experience with the BMW oil. I may be coming around though. 
02-10-2008, 10:05 AM
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Originally Posted by MiamiPhill' post='529586' date='Feb 10 2008, 01:47 PM
I agree with the advantges you point out above, but that is not, (I don't think) the question at hand. I think Pennetta, myself & others are saying that since the car is under the warranty period, and we are going outside of BMW's 15000 mile oil change interval, it is probably wise to use the oil & viscocity recomened by your owners manual. When the warranty period is over then it's ok to do what you want, but why do that now and risk having to fight with them (BMW) if somthing were to go wrong wtih the car & they try to blame it on your oil choice.
02-10-2008, 10:08 AM
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Originally Posted by nickolas_g' post='529595' date='Feb 10 2008, 02:05 PM
So are you saying that since I used M1 that I just screwed myself on my warranty?
No not at all.....just lay off the Mobil 1 until the warranty is up......just in case.
02-10-2008, 11:28 AM
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Originally Posted by MiamiPhill' post='529597' date='Feb 10 2008, 02:08 PM
No not at all.....just lay off the Mobil 1 until the warranty is up......just in case. Is there somewhere I can go for withdrawal treatments? Nicolas... The M1 0W40 carries all the recommended specifications for BMW, so I can't imagine BMW would balk. Because this has gottem me worried a bit, I emailed BMW NA through the Owner's Circle contact web page and asked them for an "official" ruling so to speak. I'll share their response.
BMW's owner manual clearly states that if BMW High Performance Synthetic is not available to you can use an alternate synthetic that is BMW approved (I interpret that to mean it meets BMW's minimum requirements).
02-10-2008, 11:31 AM
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Originally Posted by nickolas_g' post='529595' date='Feb 10 2008, 02:05 PM
So are you saying that since I used M1 that I just screwed myself on my warranty?
02-10-2008, 07:50 PM
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Originally Posted by Rudy' post='529620' date='Feb 10 2008, 03:31 PM
Void your warranty? Nah! How would they ever find out you did such a horrible thing?
02-10-2008, 07:53 PM
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A good site and a good FAQ on German Castrol
http://www.bobistheoilguy.com/forums/ubbth...8643#Post718643
http://www.bobistheoilguy.com/forums/ubbth...8643#Post718643
02-11-2008, 05:17 PM
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Originally Posted by jes0331' post='529619' date='Feb 10 2008, 03:28 PM
... I emailed BMW NA through the Owner's Circle contact web page and asked them for an "official" ruling so to speak. I'll share their response.
Thank you for contacting BMW of North America, LLC regarding oil for your 2008 BMW 535i. We appreciate your enthusiasm for our vehicles and are happy to answer your question.
BMW recommends BMW High Performance Synthetic engine oil as the best choice. Additionally, BMW recommends Castrol Synthetic, Mobil 1 Synthetic, and Valvoline High Performance Synthetic. The engine oil you choose should have a weight of SAE 5W-30. If you have any further questions I would recommend speaking with your authorized BMW Center. Should you need it, you will find a complete listing of authorized centers, categorized by name, state, or zip code, on our website at www.bmwusa.com.
BMW recommends BMW High Performance Synthetic engine oil as the best choice. Additionally, BMW recommends Castrol Synthetic, Mobil 1 Synthetic, and Valvoline High Performance Synthetic. The engine oil you choose should have a weight of SAE 5W-30. If you have any further questions I would recommend speaking with your authorized BMW Center. Should you need it, you will find a complete listing of authorized centers, categorized by name, state, or zip code, on our website at www.bmwusa.com.
02-11-2008, 05:58 PM
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Originally Posted by jes0331' post='530229' date='Feb 11 2008, 09:17 PM
I got an official response from BMW NA today. Here it is.
Thank you for contacting BMW of North America, LLC regarding oil for your 2008 BMW 535i. We appreciate your enthusiasm for our vehicles and are happy to answer your question.
BMW recommends BMW High Performance Synthetic engine oil as the best choice. Additionally, BMW recommends Castrol Synthetic, Mobil 1 Synthetic, and Valvoline High Performance Synthetic. The engine oil you choose should have a weight of SAE 5W-30. If you have any further questions I would recommend speaking with your authorized BMW Center. Should you need it, you will find a complete listing of authorized centers, categorized by name, state, or zip code, on our website at www.bmwusa.com.
BMW recommends BMW High Performance Synthetic engine oil as the best choice. Additionally, BMW recommends Castrol Synthetic, Mobil 1 Synthetic, and Valvoline High Performance Synthetic. The engine oil you choose should have a weight of SAE 5W-30. If you have any further questions I would recommend speaking with your authorized BMW Center. Should you need it, you will find a complete listing of authorized centers, categorized by name, state, or zip code, on our website at www.bmwusa.com.
02-12-2008, 02:08 PM
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Originally Posted by nickolas_g' post='530244' date='Feb 11 2008, 09:58 PM
Interesting, good homework there. Interesting that the Mobil 1 has BMW Longlife approval on the 0w-40 but not on the 5w-30.
I've been researching the German Castrol Synthetic 5w30 (which some say is the same oil as the BMW branded oil) and I could be comfortable with any of those 3.
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