Fuel economy with m50?

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  • CarsSuck
    E30 Modder
    • Oct 2005
    • 968

    #1

    Fuel economy with m50?

    What gas mileage are the m50e30s seeing? Not really all that important, but i figured it could reinforce the justification of doing the swap if I was helping the environment/my wallet.
    --Will
  • SchnellerVert
    No R3VLimiter
    • Sep 2005
    • 3948

    #2
    Probably depends on gearing. But friend of mine gets 24 city 30 highway.

    Comment

    • 1990m3
      E30 Enthusiast
      • Feb 2004
      • 1180

      #3
      shit man, mine sucks. I get like 19mpg around town driving with lots of throttle input. I hurt my own cause though because I'm using a 3.46 diff and I have the 24lb injectors and 3.5" HFM, all those will reduce your gas mileage. That is on a '95 s50 motor. i get about 230-250 miles per tank usually.

      I have local friends with claims of 24+mpg on OBDI S52 setups

      Comment

      • Addissimo
        E30 Mastermind
        • Mar 2004
        • 1820

        #4
        i get about 22 city 30 hwy

        Doing something M50 related? -> http://www.addissimo.com
        On Myspace? ->http://groups.myspace.com/r3vlimited
        BF2142 SN = BillyGoose

        Comment

        • cahomey
          E30 Fanatic
          • Mar 2004
          • 1201

          #5
          Bone stock m50tu
          getrag260
          3:73


          23-25 city
          28.5 highway
          Last edited by cahomey; 05-14-2008, 02:49 PM.

          "It's like a koala bear crapped a rainbow in my brain."
          R.I.P. Harry Goz aka. Captain Murphy
          "My ride, My ride, she don't beg, steal, cheat, or lie,
          My ride, My ride, and our relationship is classified."

          Comment

          • DanThe
            Member
            • Mar 2006
            • 98

            #6
            I filled up the other day and calculated 19, my worst so far, got some wet weather at the moment though so its arse out at every opportunity:-)

            Can get 30 on Motorway (high way) unless I take it over 80/90 for any length of time

            M50 Non Vanos with 1-1 trans and 3.25 final drive

            Comment

            • tonytony
              Knee deep in poopie
              • Jan 2004
              • 3498

              #7
              nv m50 drove 62miles after the light came on. so i'm guessing about 30mpg for the hwy. 260 getrag 3.73 diff

              Comment

              • KangamangusDriver
                E30 Mastermind
                • Aug 2005
                • 1870

                #8
                m50 vanos chipped with markD

                e36 trans
                3:25 lsd diff

                27mpg-28mpg all day long
                Cruised a lot of highway at 80mph+ and still saw those bumbners

                Comment

                • 1990m3
                  E30 Enthusiast
                  • Feb 2004
                  • 1180

                  #9
                  i gotta ditch my 3.46 diff, my mpg sucks!

                  Comment

                  • KangamangusDriver
                    E30 Mastermind
                    • Aug 2005
                    • 1870

                    #10
                    Originally posted by 1990m3
                    i gotta ditch my 3.46 diff, my mpg sucks!
                    What tranny?

                    I imagine your 0-60 times are awesome!!

                    Comment

                    • cahomey
                      E30 Fanatic
                      • Mar 2004
                      • 1201

                      #11
                      I got to get that damn MarkD chip. :pimp:

                      "It's like a koala bear crapped a rainbow in my brain."
                      R.I.P. Harry Goz aka. Captain Murphy
                      "My ride, My ride, she don't beg, steal, cheat, or lie,
                      My ride, My ride, and our relationship is classified."

                      Comment

                      • Mike B.
                        E30 Modder
                        • Jan 2006
                        • 987

                        #12
                        M50 Vanos - stock chip
                        E36 Trans
                        3.46 LSD

                        18 - 21 mpg around town. Acceleration was great, but turned over 4K at 80mph on the highway. 3.46 was a great track diff, but was probably too many rev's for daily driving.

                        Comment

                        • 1990m3
                          E30 Enthusiast
                          • Feb 2004
                          • 1180

                          #13
                          Originally posted by KangamangusDriver
                          What tranny?

                          I imagine your 0-60 times are awesome!!
                          '95 m3 trans. It accelerates off the line really well, but I'm going to switch it over to a 3.25 or 3.15 shortly. i need the gas mileage, not the speed right now. It's fast enough for me anyway

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