08-17-2022, 06:52 PM | #1 |
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N55 oil drain plug thread diameter?
Quick question:
What is the diameter of the threads of the N55 drain plug? Does a new crush washer come with the oil filter or do i need to buy that? Im not sure if i even want to open this can of worms but is there an agreed upon oil that everyone uses in their N55? I was either going to use the BMW stuff just to keep it simple, or Castrol European 0W40... Maybe I should be more concerned about weight. I didnt see anything in the manual beyond "take it to the dealer" for oil change info so im not even sure what the recommended oil weight is.
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Daily - 2018 Alpinweiß ///M2 6MT Exec Rain/Snow/Winter - 2011 328i 6MT Sedan - Black on Black, Sport Package Sold, But Not Forgotten - 2009 135i 6MT - Black on Black, M-sport, JB4 Last edited by Joebie; 08-17-2022 at 06:59 PM.. |
08-18-2022, 12:00 AM | #2 | |
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Here is a review I did on the turner motor sports titanium magnetic drain bolt and also detailed the thread pitch, diameter etc in immense detail: https://f87.bimmerpost.com/forums/sh....php?t=1830240 Yes a new crush washer comes with the oil filter, it is critical you use a new washer every time. Walmart off the shelf oil is fine, don't fall into the trap of buying boutique oils. Castrol edge 0w40 is excellent oil and will be perfect for your car. I personally use Pennzoil platinum euro 5w40 (a relabeled version is Quaker state euro 5w40 if it is easier to find) which is also another excellent oil, motul xcess gen 2 5w40 is another excellent choice. 40 weight is fine and not too thick, alot of 40 weights have bmw ll01 approval meaning it is suitable for the n55 engine (and of course any other 40 weights with similar kinematic viscosity ratings at 100°C). Anything thicker might be a concern, but generally speaking 40 weights are fine (especially ll01 approved 40 weights) |
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Joebie767.50 |
08-18-2022, 12:17 AM | #3 | |
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I just am now noticing that the Castrol Euro 0W40 doesnt carry the LL01 cert anymore. I could have sworn it did in the past, am i going crazy? Is there anything wrong with using BMW branded 0W30?
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Daily - 2018 Alpinweiß ///M2 6MT Exec Rain/Snow/Winter - 2011 328i 6MT Sedan - Black on Black, Sport Package Sold, But Not Forgotten - 2009 135i 6MT - Black on Black, M-sport, JB4 Last edited by Joebie; 08-18-2022 at 12:23 AM.. |
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08-18-2022, 01:27 AM | #4 | |
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I wouldn't use bmw 0w30 because it is an LL01-FE oil, which is meant for fuel economy and thus is thinner to reduce parasitic drag. This means it sacrifices protection. So I would look for LL01 oil and avoid the FE.
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Click on the link below to see a compiled list of every review I have ever written:
https://f87.bimmerpost.com/forums/sh...2#post30368242 |
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Joebie767.50 |
08-18-2022, 09:56 AM | #5 | |
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Do you have any strong opinions about 0W40 vs 5W40? Oh and based on my research, MANN HU8011 is the OE supplier for genuine BMW oil filters, yes? Cause MANN is half price genuine BMW and im 99% certain they are the exact same filter.
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08-18-2022, 02:36 PM | #6 | |
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Nope, no opinions on 0w40 vs. 5w40, if the specs are good and the testing results are good that's all that matters. Yes Mann hu8011z is the OEM filter, I use this exact filter. |
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Joebie767.50 |
08-18-2022, 09:51 PM | #7 | |
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Alright so im sorry to say that I ignored your advice, but for a good reason! FCP Euro has lifetime replacement on all parts, even consumables, so i just ordered genuine BMW oil and genuine BMW oil filter one time and now I get that for free, for the entire length that i own this car. The other oil options were Pentosin and LiquiMoly. The car has like 9k miles since its last recorded oil change that i know of so i just wanted to get SOMETHING ordered so that i can do an oil change asap and didnt feel like i had the time to research these other options enough to feel comfortable with them so i just went OEM. I also called an independent BMW shop near me that I trust, and they said they use the genuine BMW stuff for all their customers unless requested otherwise. They did also say that they use 0W30 in all the new BMWs that call for 0W20, understandably so. I hope this doesnt make you feel like i dont trust you or that i dont appreciate the info you provided me. I do and thanks again so much!
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08-24-2022, 11:41 AM | #9 | ||
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08-25-2022, 03:40 PM | #10 |
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Hey I hear you on your request, research and your final solution. Am in St.Louis area, and frankly get oil service done at my dealer over here, and yes I guess I could save some on it. Love to do it, but I have no desire to lug oil in a container to a repository place...no matter how close. Did that in Chicago area for years on all out Brit cars...and those days are done. I also have some strong relationships with dealer, the techs, am allowed to interact and for the extra money I spend it HAS paid off at times where there was some small issue at stake. BUT using stock oil and filter is just fine..and as above if you are not tracking the car, or abusing it as a prat might, then stock is fine for your sitiuation...and mine now for that matter. Road America is no longer on the agenda. Cheers...
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