GUIBO $#@! - BMW M5 Forum and M6 Forums
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post #1 of 13 Old 14th April 2009, 08:49 PM Thread Starter
UKNOWHO
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GUIBO $#@!

Fans of the awesome E39

last week I was given a diagnose that my BABY’s GUIBO was in need of replacement, I went to panic mode the whole GUIBO operation can lead to stress if your drive shaft was effected, but fortunately the technicians caught the inflamed GUIBO before any damage happened.

I had to take a long road trip over the weekend to SC in a rental (Pontiac Grand Prix). Made me appreciate my BABY even more, so I am glad to say that we shall be back together after work today and we can bond together as one, Man and Machine…

I would like to give props to the M5 board for their history that is easy to check on just about anything that is related to the E39/M5, and lastly to my surgeons of the S62 engine and its components (J & F Motors Arlington VA) it is guys like them that do great work for a fair price for guys like me…Thanksfficeffice" />

"we are what we repeatedly do. Excellence, therefore, is not an act but a habit." Aristotle
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post #2 of 13 Old 14th April 2009, 09:22 PM
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post #3 of 13 Old 14th April 2009, 09:36 PM
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Probably never happen to anyone else, but after I had the Guibo replaced, I developed a rattle. Sounded like a loose heat shield. Took three return visits to the dealer before the "M tech" figured out he put the resonator clamps on backwards. Just a heads up for others seeing this thread.

Probably time for me to find a good local indy in the Research Triangle area of NC.

Phil
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post #4 of 13 Old 14th April 2009, 09:57 PM
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Quote:
Originally Posted by arotished View Post
GUIBO? The bushing inside the gearbox?
"A common wear item on BMWs over a period of time is the drivetrain guibo. The guibo serves as an interface between the transmission and the driveshaft. Since the guibo is primarily made from rubber, it acts as a damper when shifting and engaging into gears, so that the transfer of power to the driveshaft is smooth and dampened, instead of abrupt and harsh. Replacement of the guibo depends on age and driving style."
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post #5 of 13 Old 14th April 2009, 10:08 PM
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Originally Posted by ps4570 View Post
"A common wear item on BMWs over a period of time is the drivetrain guibo. The guibo serves as an interface between the transmission and the driveshaft. Since the guibo is primarily made from rubber, it acts as a damper when shifting and engaging into gears, so that the transfer of power to the driveshaft is smooth and dampened, instead of abrupt and harsh. Replacement of the guibo depends on age and driving style."

Ahhh, thanks
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post #6 of 13 Old 14th April 2009, 10:41 PM
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Ahhh, thanks
BMW calls it a flex disc.
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post #7 of 13 Old 15th April 2009, 12:08 AM
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post #8 of 13 Old 15th April 2009, 12:53 AM
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Originally Posted by malexgcab View Post
What are the tell tale "signs/sounds" of a worn guibo?
Just replaced mine a a few months ago. Sympton was a strong vibration felt on on the actual stick shift while car was in gear and moving, caused by a crack in guibo/flex disc which caused the drivetrain to vibrate.

My Mechanic put the car on the lift and the crack was clearly visible.
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post #9 of 13 Old 15th April 2009, 02:11 AM
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What are the tell tale "signs/sounds" of a worn guibo?
Just some moaning and heavy breathing is all..
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post #10 of 13 Old 8th May 2009, 08:43 PM
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Phil,

I'm having the same "rattle" especially on accelerating on 1st and occasionally hard 2nd. Where is this resonator clamps? Would you let me know?
RealOEM.com BMW E39 M5 Exhaust system, rear

It maybe "guibo" as i noticed the rattle is not evident when driving under cold engine. Anyway, I would like to check this resonator clamps first.

Thanks,



Quote:
Originally Posted by ps4570 View Post
Probably never happen to anyone else, but after I had the Guibo replaced, I developed a rattle. Sounded like a loose heat shield. Took three return visits to the dealer before the "M tech" figured out he put the resonator clamps on backwards. Just a heads up for others seeing this thread.

Probably time for me to find a good local indy in the Research Triangle area of NC.

Phil

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