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Discussion Starter · #1 ·
I have just changed gear box (auto) in my 2003 330d. it now judders under braking, you can feel the pedal going up and down. the brake dont seem to be warpped. the faster you are going the worst it is. you can only feel it under braking. any ideas?
 

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Still sounds like warped brake discs, you will need to use a DTI to check the disc run out. What makes you think the discs aren't warped?

Only other thing that would make the pedal judder is ABS, I presume there's no light that comes up on the dash?

You could always have the ABS/Traction control fault codes read and have them check the wheel speed sensors are within limits when the car is being driven
 

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Discussion Starter · #3 ·
the wheels spin fine when jacked up they are'nt binding on the pads.
it seems ok now after a bit of hard braking, strange. The judder seemed alot worst then wrapped discs, the whole inside of the car was shaking.

It has been sitting for a couple of weeks while waiting for the box. gonna try it again tomorrow, see if it really is cured.
 
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