m52 running really hot

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  • limp mode
    Advanced Member
    • Jun 2012
    • 117
    #1

    m52 running really hot

    Hey im kinda a noob with this motor so bare with me (coming from vw) i just picked up a e30 swapped with a m52 and i was driving it tonight and the temps just kept climbing and stopped before hitting red. i turned it off and it kept climbing up.. What should i tackle to make sure the temps stay in the middle and cool. fan clutch,Waterpump,thermostat?
    Last edited by limp mode; 08-15-2012, 06:32 PM.
    Tags: None
    • Boise
      Wrencher
      • Dec 2011
      • 212
      #2
      Do you have a fan clutch? Most 24v e30's dont because of clearance with the radiator and opt for an electric fan instead. Maybe a dumb question, but worth asking.

      How long were you driving before it got hot?
      Did you heat up more sitting and cool down when driving?
      Did you check your coolant level?

        Comment

        • Roysneon
          R3V Elite
          • Apr 2010
          • 4505
          #3
          Do you know what radiator and fan setup you have? Bleeding the system again is free so I'd start there. How about a pic of the engine bay that shows the radiator and the fan setup?
          For all things 24v, check out Markert Motorworks!
          Originally posted by mbonanni
          I hate modded emtree, I hate modded cawrz, I hate jdm, I hate swag, I hate stanceyolokids, I hate bags (on cars), I hate stuff that is slowz, I hate tires.

          I am a pursit now.

            Comment

            • limp mode
              Advanced Member
              • Jun 2012
              • 117
              #4
              Originally posted by Boise
              Do you have a fan clutch? Most 24v e30's dont because of clearance with the radiator and opt for an electric fan instead. Maybe a dumb question, but worth asking.

              How long were you driving before it got hot?
              Did you heat up more sitting and cool down when driving?
              Did you check your coolant level?
              it got hot after like 10 mins of driving and yea it did heat up more when i stopped. yea it has coolant but its not 100% full.

              Originally posted by Roysneon
              Do you know what radiator and fan setup you have? Bleeding the system again is free so I'd start there. How about a pic of the engine bay that shows the radiator and the fan setup?



              hopefully this helps

                Comment

                • DesertBMW
                  E30 Enthusiast
                  • Aug 2011
                  • 1017
                  #5
                  sense you are new to BMW, I got to brake the bad news to you. M50 engine is known to have cracked cylinder heads when overheated few times.

                    Comment

                    • limp mode
                      Advanced Member
                      • Jun 2012
                      • 117
                      #6
                      Originally posted by DesertBMW
                      sense you are new to BMW, I got to brake the bad news to you. M50 engine is known to have cracked cylinder heads when overheated few times.
                      its a m52 and obviously bad shit will happen when overheated haha. it didnt hit red it was chillin at the 1oclock area

                        Comment

                        • Ivan2terrible
                          Noobie
                          • Aug 2012
                          • 6
                          #7
                          Originally posted by limp mode
                          its a m52 and obviously bad shit will happen when overheated haha. it didnt hit red it was chillin at the 1oclock area
                          Is ur block Aluminium or cast.. Cause if it's Ali then it prob ran hot and is now warped.. Try source m50 block.. Unless ur head is also cooked

                            Comment

                            • 10Toes
                              Me Father Was A Tree
                              • Jan 2008
                              • 61222
                              #8
                              Go back to VW's

                                Comment

                                • M-technik-3
                                  I waste 90% of my day here and all I got was this stupid title
                                  • Oct 2003
                                  • 18946
                                  #9
                                  First things first is there fluid in the coolant system?

                                  If not raise front end ie on a small hill. Fill coolant system up with proper mix to proper level. Allow car to get warm ie need the thermostat to open to fill the system completely. Put cap back on check for leaks and so forth.

                                  Do a drive check and see if it climbs again.

                                  I see a fan so If you can put the shroud back on the radiator for proper air flow through it.
                                  https://www.facebook.com/BentOverRacing

                                    Comment

                                    • Bimmerguy91
                                      E30 Modder
                                      • Jul 2012
                                      • 982
                                      #10
                                      Either that or swap to a large electric fan.

                                        Comment

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