S53 swap - is this normal

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  • drez14
    Wrencher
    • Jun 2011
    • 211
    #1

    S53 swap - is this normal

    So I installed my aux fan and let the car idle to a decent temperature to test the fan switch. When i was done I was poking around. I took off the oil cap and saw a milky residue towards the top of the valve cover. So immediately I'm thinking head gasket. I proceed to check the oil and Coolant for any evidence of mixture. None. Both clean.

    Is this normal?

    Attached Files
    Last edited by drez14; 02-16-2012, 06:19 PM. Reason: Because im an idiot.
    Tags: None
    • lolcantturn
      R3V Elite
      • Oct 2010
      • 4588
      #2
      you're gonna have a hard time finding a headgasket for an S53 i'll tell you what.
      Originally posted by TSI
      ♫ Rust flecks are falling on my head...♫
      OEM+

        Comment

        • Farbin Kaiber
          Lil' Puppet
          • Jul 2007
          • 29502
          #3
          How long has the s52 sat? I'm betting it's just moisture buildup.

            Comment

            • ak-
              R3V OG
              • May 2009
              • 12422
              #4
              Originally posted by Farbin Kaiber
              How long has the s52 sat? I'm betting it's just moisture buildup.
              What Farbin said.
              You're in the middle of a swap right? It's normal.

              1991 325iS turbo

                Comment

                • Teaguer
                  R3V OG
                  • Sep 2004
                  • 6167
                  #5
                  Perfectly normal operation for an S53.

                  E30 M3 / E30 325is / E34 525iT / E34 535i

                    Comment

                    • VinniE30
                      R3VLimited
                      • May 2010
                      • 2113
                      #6
                      S53 is a super rare engine don't you guys know
                      Zinno '89 <24v swap in progress>

                        Comment

                        • drez14
                          Wrencher
                          • Jun 2011
                          • 211
                          #7
                          HAHA. S52.. Damn, flaming well deserved. No more R3v from my iphone. Between this post and one from yesterday, i have had my privileges revoked.

                          Yes, im actually at the tail end of my swap. The motor has been sitting since last October and today is the first time i actually brought it to operating temp. (well as hot as it can get idling)

                          Im thinking its just moisture to. I just wanted to double check. Thanks for the responses.

                            Comment

                            • dnick
                              E30 Fanatic
                              • Apr 2011
                              • 1377
                              #8
                              its just moisture

                                Comment

                                • Bimmerman325i
                                  R3V OG
                                  • Dec 2007
                                  • 6854
                                  #9
                                  If that gunk is still there in a week after swap is finished, or if the temp climbs past normal, then you know it's a head gasket. Otherwise it's just moisture.
                                  2017 Chevrolet SS, 6MT
                                  95 M3/2/5 (S54 and Mk60 DSC, CARB legal, Build Thread)
                                  98 M3/4/5 (stock)

                                    Comment

                                    • SwiftE30
                                      E30 Modder
                                      • Jun 2010
                                      • 998
                                      #10
                                      Originally posted by drez14
                                      HAHA. S52.. Damn, flaming well deserved. No more R3v from my iphone. Between this post and one from yesterday, i have had my privileges revoked.

                                      Yes, im actually at the tail end of my swap. The motor has been sitting since last October and today is the first time i actually brought it to operating temp. (well as hot as it can get idling)

                                      Im thinking its just moisture to. I just wanted to double check. Thanks for the responses.
                                      better to be safe than sorry for sure, especially when youre at the tail end of your swap. might be a good idea after about a week of driving to do a fresh oil change.
                                      1989 E30 Zinnoberrot Vert 325i OBD1 S52 turbo;IP

                                        Comment

                                        • 325e10
                                          Advanced Member
                                          • Sep 2010
                                          • 161
                                          #11
                                          just moisture, happens to m52s and s53s alike

                                            Comment

                                            • e30s50dan
                                              R3VLimited
                                              • Nov 2008
                                              • 2076
                                              #12
                                              Second that. Happened to my m50 and S50.. After the engine gets good and hot,it will go away
                                              NASA
                                              BMWCCA member
                                              PCA member 25yrs




                                              1991 318IS slick top
                                              1997 M3 sedan
                                              2001 325CI DD

                                              “whoever turns the wheel the least, wins"

                                                Comment

                                                • Mr.SWISS
                                                  E30 Fanatic
                                                  • Nov 2005
                                                  • 1251
                                                  #13
                                                  My S52TU doesn't do this.....
                                                  Originally posted by 325Projectz
                                                  don't listen to the diagram... listen to mr. swiss.
                                                  :nice:

                                                    Comment

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