Please state if its a auto or a manual ,need this information to tell you what to check but firstly check the front pulley and the rubber join in the middle take the fan belt off to do this
Testimonial: "Good idea! We are checking this out, before the flywheel operation! Sounds a lot cheaper..."
My M6 is vibrating like a Ducati V-Twin all the time...
Even at a standstill and 1000 rpm!
And the higher revs, the more it vibrates..!
Almost as if the exhaust is leaning against the chassi somewhere, but that was the first thing we excluded.
I have also changed following parts;
- all 10 sparkplugs
- all 10 ignition modules.
- The rubberhose for ventilation of the valve housing.
From outside it sounds perfect, and have full power without any hick ups.
And the diagnostic test shows no errors!
So I'm now considering some kind of balance-problem somewhere...
What could it be..?
The car has the SMG (auto) gearbox...
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