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This is what happens when a CV axle comes loose on the highway

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    #16
    epic OP. cell screenshot had my rolling. :)
    AWD > RWD

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      #17
      I had one loosen off a bit once but caught it before they actually backed off at all. I also snapped a CV joint inside the boot, once I was going downhill or on a flat road I could drive it along at 25% power :) Luckily it happened to me a 5 minute walk from my apartment.
      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.

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        #18
        hahaha
        All just means to an end.

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          #19
          Mine fell off at like 15mph, stupid greasy bolts. Cleaned and red locktight.



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            #20
            You don't need (or should use) Locktite on the half shaft bolts. Correct torque is all that is really needed (see the Bentley or the TIS), but if you use Locktite use the blue variety.
            The car makes it possible, but the driver makes it happen.
            Jim Levie, Huntsville, AL

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              #21
              Lol, i love causing traffic too. OP, happy you didn't wreck! That's some gnarly shit

              1991 BMW 318i (Old Shell RIP, Now Being Re-shelled & Reborn)
              1983 Peugeot 505 STI
              1992 Volvo 240 Wagon
              2009 Toyota 4Runner SR5 Sport 4WD

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                #22
                Originally posted by kway View Post
                Years ago I'd been hearing a driveline noise on my 745i for a day or two until I finally crawled under the car to see what the hell it was.

                All six bolts on one of the CVs had backed out about 1/4" or so, no idea why. I had plenty of warning though, maybe it was luck.
                same deal in my vert, i was lucky that i was bleeding brakes and noticed it.
                sigpic
                1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
                1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
                1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

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                  #23
                  so no warning? just driving along and blammo. No vibration or weird feeling at all? I find that hard to believe.
                  '87 325ic, powered by S50.

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                    #24
                    This happened to me in my second E30, about 6.5 years ago.

                    Lucky for me it popped off as I was rolling to a stop at a light.

                    Nobody had the decency to give me a hand, so I set up a triangle and fixed it right in the middle of the street.

                    Good times. I love my E30.
                    My previous build (currently E30-less)
                    http://www.r3vlimited.com/board/showthread.php?t=170390

                    A 2016 Toyota Tacoma TRD 4x4 Offroad in Inferno is my newest obsession

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                      #25
                      Originally posted by e30rapidic View Post
                      so no warning? just driving along and blammo. No vibration or weird feeling at all? I find that hard to believe.
                      In stop and go traffic, in the rain, maybe going 45 tops, no there was no vibration or other warning. I heard the sound a flat tire makes for about 2 seconds (CV flinging about), then the sound of a tire dragging on the pavement. (CV axle wrapped around the E-brake) That was it.

                      When I have had my CV be loose before, I didn't get a vibration till above 60+ and even then it was minor till about 75.

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                        #26
                        I had all 6 CV bolts come loose on me as well. Luckily it happened right as I pulled into work, and I didn't lose any parts. I heard a wierd rattle/clunk sound just as I was parking. Ended up having to use the factory jack (SCARY AS ****), and crawl under the car to tighten them with my fingers, just enough to get home and retorque them.

                        I think the reason they came loose was likely the use of an impact. you should have used a torque wrench... A lot of the time, impacts don't torque as high as you think (and too high isn't a good thing either).
                        Last edited by nando; 02-20-2012, 07:35 AM.
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                        Bimmerlabs

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                          #27
                          This same impact I used took off my crank bolt on my S50 and M42. The torque is there. ;)

                          My guess since I had to retorque them down every 2 months or so is the flanges being messed up from before, it was hard to tell after the cv axle coming loose.

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                            #28
                            yeah, but you don't know *what* torque was there. you could also overtorque them and end up yielding the bolts.
                            Build thread

                            Bimmerlabs

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                              #29
                              I have had this exact thing happen to me--CV bolts backed out, and my axle thumped around until it found my ebrake cable and flat spotted my brand new RS3. Diff was fine though, and I was even able to reuse the axle after a little argument with a grinder.

                              I had also torqued my CV bolts to spec (30ftlbs iirc). Problem was, they were greasy. Next time I cleaned them off as best I could, used loctite and cranked them down a little harder. Now I check on them periodically whenever I get the chance.
                              paint sucks

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                                #30
                                I'am happy to see you saved your car, and it did not lead to a crash.
                                So, all your bolts of the CV axle broke, the ones that connect the CV axle with the differential, right?
                                The CV axle was then only connect with the tire (wheel hub), and because of the speed and hitting the road, it did go up again, killing the differential mounts (that connect the diff to the car.) ???
                                Last edited by M3Philipp; 02-20-2012, 10:25 AM.

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