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'Judder' between 1500-2200 revs - any ideas?

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MarkG_M3CP
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'Judder' between 1500-2200 revs - any ideas?

Post by MarkG_M3CP » Mon Aug 28, 2017 10:44 am

I have a 50d with 22k miles (1 year old) which has developed a strange judder at 1500-2200 revs.

Seems to happen in any gear and any speed with revs being the only constant. I describe it as a 'judder' as I can't describe any better!

As the engine is pulling it almost feels like the car is hitting some kind of limiter; like a pulsing from the engine/gearbox which clears as the revs build. It's a bit concerning since I understand this to be the second turbo range but booked in to service in a couple of weeks to check out.

Anyone experienced similar?
Current: F80 M3 Competition Package and F20 M135i
Gone: F15 X5 M50d / F30 335d xDrive M Sport / E92 LCI 320d M Sport / E46 320d M Sport Touring / E46 318i Touring

Nine468
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Re: 'Judder' between 1500-2200 revs - any ideas?

Post by Nine468 » Thu Sep 28, 2017 4:00 pm

Did this get sorted out at the dealers..??

I had something similar, a seeming missfire/hesitation [40d] , it turned out to be the transfer box failing, Was fixed under warranty...
Dave W.
BMW E70 X5 40D

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MarkG_M3CP
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Location: Hampshire

Re: 'Judder' between 1500-2200 revs - any ideas?

Post by MarkG_M3CP » Thu Sep 28, 2017 4:03 pm

[quote="Nine468"]
Did this get sorted out at the dealers..??

I had something similar, a seeming missfire/hesitation [40d] , it turned out to be the transfer box failing, Was fixed under warranty...
[/quote]

I traded the car in for an M3  :))

...but you are correct, the senior tech diagnosed the fault to be the transfer box.

They didn't replace it in the end - just balanced the wheels and said it was fine  ::)  It wasn't, but their problem now  :P
Current: F80 M3 Competition Package and F20 M135i
Gone: F15 X5 M50d / F30 335d xDrive M Sport / E92 LCI 320d M Sport / E46 320d M Sport Touring / E46 318i Touring

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