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Oil change: what brand to use?
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08-27-2014, 09:33 AM | #45 | |
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08-27-2014, 01:23 PM | #47 |
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Thanks guys. I'll return what I got from Costco and look for an LL-01 type oil.
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08-27-2014, 02:35 PM | #48 |
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You should be fine...
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08-27-2014, 03:54 PM | #49 |
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Hey Guys,
So i just got my BMW used from a forum member not too long ago... Anyway, first thing i did was do an oil change and i put Lubro Moly 5W30 in there. i don't think that the previous owner used full synthetic, is it normal that my full synthetic Lubro Moly 5W30 is burning away?? I just did a 3200km road trip with no issues, but now that i'm back a week, the oil gauge on the dash went down from in between the OK to just above the MIN line.... It's due for a change soon, debating if i should try a different brand or thicker oil to prevent the burning? or is it possible that the sensor itself is fucked? Thoughts? Thanks! |
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08-27-2014, 04:06 PM | #50 | |
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08-27-2014, 04:54 PM | #52 |
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Actually when i bought the car the previous owner has a huge oil leak cause he cross threaded the oil filter cap.
I had the entire engine bay shampooed and all the belts change first thing. I haven't noticed any oil leaks as of yet. |
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08-27-2014, 07:55 PM | #53 | |
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08-27-2014, 08:01 PM | #54 | ||
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08-27-2014, 08:26 PM | #55 |
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Use a brand name synthetic and have your oil changed more frequently than what the maintenance schedule calls for.
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08-28-2014, 02:48 PM | #56 | |
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Knowing that your car has more or less 6 liters (~6 quarts) of oil, that gauge indicates values from 5 to 6 liter. So if at the lowest, you can add 1 liter to reach full again. It is normal that you see fluctuations in read out if the oil volume is somewhere between, say 5.5 and 5.25 liter. It is my experience, that if you drive for a longer period of time, at higher speed, the gauge will read out a lower value than at lower speeds. So, if I understand you correctly, you went from 5.5 (maybe at city driving, after you just got the car) to 5.25 liter (measured whilst driving at higher speeds?). That would be total normal. And again, if you think about rounding off of numbers: you might have had 5.4 liter when you bought the car. Rounds off to 5.5. You may be at 5.3 liter now, rounds off to 5.25 (nearest quarter). 100ml in 3500km... Normal. 1 liter every 10,000km is still very acceptable for an older car. Use a BMW (LL-01) preferred brand, and you should be fine. Or buy the best (in my opinion) and go for Shell. It is about the additives in the oil that make the oil best suitable for 1) cooling, 2) lubricating, 3) absorbing impurities. In the end, you pay for the type of base oil (range of viscosity over various temperatures, level of contaminants/impurities, etc.) and the additives. Branded oils typically have better viscosity and more additives. That is why a brand oil is more expensive. And that is why in 1920, people would exchange the oil of their motorcycle every 1000km... The oil was just not so refined back then. Enjoy your new car! Last edited by m@rco; 08-28-2014 at 02:58 PM.. |
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08-28-2014, 04:54 PM | #57 | |
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Hey,
Well I had to add a litre before my trip. I'd say my car seems to be burning 1 Quart every 5K. Is there a different oil maybe that is less likely to burn? I'm using Lubro Moly 5W30 full synthetic. I've heard about cars burning the first couple of oil changes if it's not used to synthetic. Apart from my oil gauge going down, it shows absolutely no signs of burning oil, which is what's making it weird Quote:
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08-29-2014, 06:43 AM | #60 |
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I'm sorry, but I just don't believe cross-threading the cap is possible; it's a bit over a 1/4 turn to open and close it and it's captured anyway. I think the previous owner just mistakenly left it open.
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08-29-2014, 07:59 AM | #61 | |
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I hear many forum members speak about brands that result in more or less burning. I doubt if that has a serious effect, provided that you use the same viscosity. That would be related to the flash point of the oil. Are they really so different per oil? Could some one give a scientific clarification for that? Last edited by m@rco; 08-29-2014 at 08:05 AM.. |
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08-29-2014, 10:41 AM | #63 |
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FWIW, Costco runs a sale on the Mobil every couple of months so it's $26 for 6 quarts. I use it in my FX and I think I have a quart or two in the 335 from when I miscalculated how much oil i had for an oil change. No big deal.
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08-29-2014, 01:46 PM | #65 |
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Take it to the dealership for me. It was $80 plus tax.
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08-29-2014, 04:10 PM | #66 |
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I just had mine changed at the dealership last week and they put in "Pennzoil Ultra 5W30" and it only cost $69.99.
Considering any old lube shop will charge about that much for a change with rando synthetic thats pretty decent. Plus then they have no reason to deny CPO coverage when I have them change the oil every 7k miles.
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