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  4. M5X/S5X Reliability Upgrades

M5X/S5X Reliability Upgrades

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  • patsbimmer1P
    patsbimmer1P
    patsbimmer1
    wrote on last edited by
    #4

    Are you already planning on deleting the mechanical fan?  If not I'd say that's up there on preventive maintenance.

    2011 e90 M3 - DCT, Borla exhaust, BMW Performance Black Grille, ECS Painted Corners, Ziza Angel Eyes

    07 335i Stella - sport package, BMS DCI, zhp knob, TMS cf parking brake lever, VRSF downpipes, MHD tune, H&R race springs, other stuff *SOLD*

    97 328i Lola - sport package, m50 intake manifold, m50 manifold.com install kit, custom CAI, K&N filter, Borla exhaust, FK silverline coilovers, 25.5mm front sway bar, Powerflex front sway bushings, Turner Radiator, fan delete *sold*
    95 325is *sold*
    93 nissan 240sx KA-T *sold*

    BMWCCA #473306

    Instagram @patsbimmer1

    AKA- HALLWAY PAT

    "burnouts bring babes and babes dont have time for bushings" - Kaiser Rolls

    1 Reply Last reply
    0
    • B
      B
      B C
      wrote on last edited by
      #5

      I like the cooling performance of the mechanical fans but Im always a fan of more space in the engine bay so I will do a big electric pusher

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      0
      • JeffJ
        JeffJ
        Jeff
        wrote on last edited by
        #6

        I loved my first 2 mechanical fans. They worked great up until they exploded. After number 2 went I decided I was going to put a thermal relay in and a slim fan.

        1976 530i e12
        1990 325ix e30
        1992 325i e36
        1995 740il e38
        2001 330xi e46
        ^More to come :)

        1 Reply Last reply
        1
        • GunMetalGreyG
          GunMetalGreyG
          GunMetalGrey
          wrote on last edited by
          #7

          Snap said:

          Im using my aluminum ECS M20 radiator. I have read that I can use an M20 radiator but will have to see for myself

          It will work just fine

          Snap said:

          I like the cooling performance of the mechanical fans but Im always a fan of more space in the engine bay so I will do a big electric pusher

          They sometimes fit, but if you touch the brakes you will put the fan into the radiator, so stay safe and run a pusher in front. 

          As you mentioned the hydraulic chain tensioner isn't a bad way to go. 
          Replacing the chain guides is worthwhile because they aren't too expensive and I have seen a few broken ones in my day. 
          If you feel like it you could throw a new o ring set at vanos. 

          It's not always about "upgrading" things like the intake boot but more about replacing old ones and by being new you won't run into issues for quite some time.

          ...

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          0
          • jc43089J
            jc43089J
            jc43089
            wrote on last edited by
            #8

            I highly recommend the Stewart water pump, I have one and it is very high quality.

            Sent from my 831C using Tapatalk

            2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
            3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
            '89 325i Vert, Alpine White: 5spd swapped, sold.

            '04 Toyota Sienna: 24V to 24V swap in progress

            '05 Volvo V70R, 6spd.  200k
            '85 Toyota LandCruiser: Lifted, gas hog. 205k
            '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

            1 Reply Last reply
            1
            • KaiserRollsK
              KaiserRollsK
              KaiserRolls
              wrote on last edited by
              #9

              Safety wire the oil pump nut

              Silicone ICV hoses (overkill but I've had a one year old part break)

              Not a bad idea to replace sensors when it's out of the car. (Knock, cps, cam position, coolant temp, etc)

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              0
              • KaiserRollsK
                KaiserRollsK
                KaiserRolls
                wrote on last edited by
                #10

                Oil pan baffle

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                2
                • KaiserRollsK
                  KaiserRollsK
                  KaiserRolls
                  wrote on last edited by
                  #11

                  Replace the engine mount arm hardware with something new/higher grade. I snapped two bolts off when trying to remove the engine mount arms from the block when I first got the engine.

                  1 Reply Last reply
                  0
                  • B
                    B
                    B C
                    wrote on last edited by
                    #12

                    I believe Jordan's S50 car did something similar. Or the hardware backed out or something.

                    Keep them coming!

                    1 Reply Last reply
                    0
                    • KaiserRollsK
                      KaiserRollsK
                      KaiserRolls
                      wrote on last edited by
                      #13

                      Possible new coolant "spider" hose they can explode nice and randomly

                      New rubber grommet dealios for VC. They are always rock hard and weep

                      I try to keep stock of the clips the secure the ICV into the intake manifold. I always seem to break those damn things when removing them (new ones are a good idea, new rubber seal and all)

                      Fuel lines going from m20>24v seem to be a touch on the short side, I need to extend my rubber lines a bit to make it easier to reattach. Same goes for FPR>manifold vac line, I need to replace mine & add a vac block

                      This really has nothing to do with reliability or upgrades. Just annoying crap that I've noticed

                      1 Reply Last reply
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                      • m42b32M
                        m42b32M
                        m42b32
                        wrote on last edited by
                        #14

                        KaiserRolls said:

                        Oil pan baffle

                        Maybe its different for the e34 oil pan, but s52's and probably the rest of the s/m5x group are notorious for gaining some lifter tick after a hard autocross run. A lot of people run their s52's a quart over full to help alleviate the problem (apparently it takes like 4 quarts above full to start having problems with the crank splashing and foaming the oil) but an oil pan baffle will also do a lot to improve it. Apparently it isn't a huge deal as far as damaging your engine, but it's certainly annoying. 

                        If you're a big baller with some extra spending money you can do an s54 dual pickup oiling system (this will only fit e36's, not swapped cars unless you have one of those fancy rear sump subframes/pans), but it's probably not worth the 1.5k+ on anything other than an expensive, fully built race motor.

                        1991 318is, 1991 318i, 2022 Bronco

                        1 Reply Last reply
                        0
                        • KaiserRollsK
                          KaiserRollsK
                          KaiserRolls
                          wrote on last edited by
                          #15

                          If you're newly acquired m52 doesn't come with ground straps get some nice ones. Couple companies have aftermarket ones (chase bays, catuned, can't think of any others)

                          Ground for coilpacks too maybe

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                          0
                          • KaiserRollsK
                            KaiserRollsK
                            KaiserRolls
                            wrote on last edited by
                            #16

                            someone said:

                            Maybe its different for the e34 oil pan, but s52's and probably the rest of the s/m5x group are notorious for gaining some lifter tick after a hard autocross run. A lot of people run their s52's a quart over full to help alleviate the problem (apparently it takes like 4 quarts above full to start having problems with the crank splashing and foaming the oil) but an oil pan baffle will also do a lot to improve it. Apparently it isn't a huge deal as far as damaging your engine, but it's certainly annoying. 

                            If you're a big baller with some extra spending money you can do an s54 dual pickup oiling system (this will only fit e36's, not swapped cars unless you have one of those fancy rear sump subframes/pans), but it's probably not worth the 1.5k+ on anything other than an expensive, fully built race motor.

                            I overfill by usually a quart or so.

                            Lifters get loud after 3/4 runs.

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                            0
                            • straight6pwrS
                              straight6pwrS
                              straight6pwr
                              wrote on last edited by
                              #17

                              KaiserRolls said:

                              Possible new coolant "spider" hose they can explode nice and randomly

                              can confirm.

                              Dan
                              yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                              • KaiserRollsK
                                KaiserRollsK
                                KaiserRolls
                                wrote on last edited by
                                #18

                                Great news!!! No more broken clips & something that will actually seal

                                http://rebooteng.com/parts/m50-intake-manifold-fitting/

                                6d6ba796e73413a3c31a18f65f342e52.jpgf9b529405582fb1f000a29e559162798.jpg

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                                0
                                • GunMetalGreyG
                                  GunMetalGreyG
                                  GunMetalGrey
                                  wrote on last edited by
                                  #19

                                  KaiserRolls said:

                                  Great news!!! No more broken clips & something that will actually seal

                                  http://rebooteng.com/parts/m50-intake-manifold-fitting/

                                  f9b529405582fb1f000a29e559162798.jpg

                                  I have a couple spares of these in my toolbox lol, but plastic. 
                                  I have yet to blow mine off / apart at 14psi but I'm glad you found this because I shall replace the stock one with this!

                                  ...

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                                  • KaiserRollsK
                                    KaiserRollsK
                                    KaiserRolls
                                    wrote on last edited by
                                    #20

                                    GunMetalGrey said:

                                    KaiserRolls said:

                                    Great news!!! No more broken clips & something that will actually seal

                                    http://rebooteng.com/parts/m50-intake-manifold-fitting/

                                    f9b529405582fb1f000a29e559162798.jpg

                                    I have a couple spares of these in my toolbox lol, but plastic. 

                                    I have yet to blow mine off / apart at 14psi but I'm glad you found this because I shall replace the stock one with this! 

                                    It's not so much the "I'm going to blow it apart" aspect. More so the "I've already broken 3 of these" lol. Not to mention the fit when the plastic one is "clipped In" just doesn't feel snug

                                    1 Reply Last reply
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                                    • DrLeadFootD
                                      DrLeadFootD
                                      DrLeadFoot
                                      wrote on last edited by
                                      #21

                                      If your crank damper has been off and on multiple times get a new key that locks the crank to that damper mount. I sheared one off and that was a big headache. Get a new crank bolt to.

                                      That stainless clip is tits!

                                      The water pump you picked up from me is a Stewart if I remember correctly.

                                      Just don't put a lock washer from ACE HARDWARE on your oil pump nut and all will be well.

                                      Sent from my SM-G935V using Tapatalk

                                      15924991875a64c599885m.jpg

                                           @DrLeadFoot

                                      1 Reply Last reply
                                      1
                                      • B
                                        B
                                        B C
                                        wrote on last edited by
                                        #22

                                        Oh im already in the know. Menards has much better lock washers than ACE

                                        [emoji14]

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                                        0
                                        • JeffJ
                                          JeffJ
                                          Jeff
                                          wrote on last edited by
                                          #23

                                          That is awesome! I plastic welded mine in my manifold kept coming off

                                          1976 530i e12
                                          1990 325ix e30
                                          1992 325i e36
                                          1995 740il e38
                                          2001 330xi e46
                                          ^More to come :)

                                          1 Reply Last reply
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