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BMW Original Factory Oil

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    #1

    BMW Original Factory Oil

    I recently had my oil changed at a BMW dealership for free about two weeks ago.

    I just want to know, did they put synthetic oil in my car? Or are there different kinds of BMW oil? I want to know if there'd be an adverse change in the way my oil performs if I switch back to some Mobil 1 20w-50.

    My 3000 miles are almost up so I want to change the oil soon.
    R.I.P 07/01/09 - 04/23/10 :(
    Tags: None
    #2
    Last time I was at the dealer, they were selling Castrol Synthetic.

    I don't know what they use now, or if what they sell in the states is the same as what they sell here.
    1988 325iC - "Betty" - Daily Driver/Project Car.
    1993 318i - "The Golden Dream" - Dad's Car.
    1995 318ti - "Hellrot" - R.I.P.

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      #3
      they probably put BMW 5-30 synthetic oil in.

      NASA MidSouth TT Director / GTS2 #018
      Mods: Coastal PS Fluid, 10w40 Oil
      Future Mods: Bosch Micro-Edge Wiper Blades, Painter's Tape, Spark Plugs, Freezer for Nutty Buddys, Adam Nitti CD's

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        #4
        The dealership by me offers regular and synthetic. It's your choice. Not sure about your dealer though.
        Current BMW's:
        2004 330Ci
        1986 European 325i cabrio
        1986 735i

        Previous BMW's:
        1989 325is RIP
        1989 325iX RIP
        2001 740iL RIP

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          #5
          FYI the BMW synthetic 5w30 is nothing more then Castrol Syntec.
          Tenured Automotive Service Professional - Avid BMW Enthusiast

          Vapor Honing & E30 ABS Pump Refurbishment Service
          https://mtechniqueabs.com/

          Comment

            #6
            Originally posted by Jordan
            FYI the BMW synthetic 5w30 is nothing more then Castrol Syntec.
            It's castrol synthetic, but the more I see that stuff the less I like it. It's much darker than regular Castrol SuperSyn, and there always seems to be a lot of moisture retianed in the engine with that stuff. You get a lot of steam out of the oil filler on a hot engine, and a lot of corrsion and rust deposited on the inside of the oil cap and valve cover. BMW has something customized in it that's kind of fishy to me. Next time you get a car that has consistantly run that oil scrape some of the rust crap off the bottom of the oil cap and you'll see what I mean...

            If they did the change for free you probably got dino oil, either some brand of 20-50, or the BMW branded 10-40 dino oil they sell in the red label bottles.
            Adam Fogg- '88 M3

            Common sense- It's the new 'gifted'

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              #7
              Originally posted by AdamF 88iS
              Next time you get a car that has consistantly run that oil scrape some of the rust crap off the bottom of the oil cap and you'll see what I mean...
              I see that constantly with all synthetic oils especially with Mobil 1. With Mobil 1 I see more buildup and crust inside a motor than with any other oil. I can't stand the shit.

              My local dealer BELIEVE IT OR NOT USES PENZOIL for oil changes! LOL!

              In another FACT that most people don't know, is you DO NOT have to run synthetic in the new engines. I have technical information from BMW NA that specifics as long as oil meets a certain GL spec then it is ok to use dino or synth oil.

              That said I would much rather run dino than synth.

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