I hope "provacateur" isn't trying to provoke an argument because using 0-40 because it works in a Porsche and Mercedes is sure to catch you some heat on this forum! 😂I know I'm replying to an old post and oil seems to be a controversial topic. To me BMW is a big dissappointment in their recommendations. Sort of a cop out, in addition I believe they only recommend warranty oil to get the break in and through warranty coverage. I have a 2001 M5 70,000 miles. Have run a wide array of oil brands and weights. But settled on M1 040 about 6 or 7 years ago when it was recommended by Mobil for the E39M5 Its no longer recommended. But I have stayed with it because its the factory fill in my Porsche 911TT and my wifes Mercedes ( high performance engines) and has served me well with no oil usage. The other consideration are that lubricants are so much better today than almost 20 years ago when these cars were produced. I live in Houston, Texas with mild winters and hot summers. My only concern was the 0WT at start up seems thin but I believe the 40 is about right after warm up. I put most of my mileage on the car when it was called to duty to drive me to the office for a few years. But mostly it has been used for short drives and is usually parked for a week at a time since I retired. I only change my oil on a annual basis < 1000 miles, now but before it was every 3000 miles when driving to work. Its my belief that with todays oil any reputable brand and within a wide vicosity= > 30 wt. range will work. Its all dependant on the the climate you drive in and the oil change intervals for normal driving.
Oil threads. Sometime ago we all decided it is your car, do what you want and we will not longer discuss oil. Everyone has their own opinion and there has never been consensus. Use whatever you want it is your car.I hope "provacateur" isn't trying to provoke an argument because using 0-40 because it works in a Porsche and Mercedes is sure to catch you some heat on this forum!
Remember, BMW has to spec its oil for ALL uses. That would include frequent high speed runs down the Autobahn. In those cases, I would feel better with a 50 weight oil or better on the hot side. But for tooling around even at U.S. highway cruising speeds, I think M1 0w-40 would be fine. I use it in most of my other cars. If you are tracking your car or driving at much higher speeds, I would want the protection of the higher weight oil when hot.I have used Lubrimoly 10-60, M1 15-50 and Supertech 5-30 at one time they were just fine lubricants. My car seems to run better with the M1 0-40. I have thought of going back to the M1 15-50 because the light wt of the 0-40 seems too light. Its just typical for BMW to not come out and give a straight forward recommendation probably because they want you to buy their oil. I laugh when I open the hood and see a BMW sticker that says call this number for oil recommendations. I call it and its out if service.
I agree totally. It is interesting to hear experiences from people who've used different oils, just as long as there are no unnecessary arguments about what the "right" one isOil threads. Sometime ago we all decided it is your car, do what you want and we will not longer discuss oil. Everyone has their own opinion and there has never been consensus. Use whatever you want it is your car.
Interesting. I'd imagine the S62 was originally spec'd for 10W-60 when built but BMW knew other oils are also safe to use and went that route to save money on their free maintenance program.The Castrol spec oil BMW recommended was due to a financial tie in with Castrol. The 0w-30 really functioned like a 40 weight when hot. But the Castrol recommendation was financial, not merit based. When BMW was paying for the maintenance (in the U.S.), the Castrol spec 0w-30 was a lot cheaper than the Castrol TWS 10-60
I live rural and travel very rural, I have had to throw everything in the crankcase because it was all I could get where I was. I changed with 10/60 or 5/50 in the winter and topped up with whatever, but likely 10 liters worth between changes.Just try and get anything other than 15/40 deisel oil or 10/30 in northern Que at midnight. I have not noticed anything different except 10/60 when fresh is consumed slower. The car is now parked but it is not parked because of anything to do with oil.It is interesting to hear experiences from people who've used different oils,
I always kept this under my hat, but I did quite a few of those when I first started getting this company off the ground. I was putting on about 10k km a month but only had the chance to change the oil when I had time back in Ont. Likely the longest was 18k km. The thing that surprised me most, was when I changed the oil, it would be much cleaner than when I had changed it before which was 8k to 10 k, but that would take 6 or more months.Not to mention the 10W-60 is for the ridiculous long life intervals. I know most if not all of us here would dare attempt to go by BMW's oil change intervals of 15k miles on these cars.