Quote:
Originally Posted by automods bmw
Hi Guys I just finished the conversion
with the m performance BMW brembo Calipers 370mm discs front, 345 rear.
I also replaced master cylinder with e92 m3 unit & fitted ECS stainless lines, have Bled Calipers.. no leaks & took for a test drive..
no brake bite, poor pedal bite, pressure feels weak/ braking power no good.
Pedal doesnt feel spongy you just have to push really hard on brakes now to get sufficient response.. like what happens when discs are wet & you it brakes
I am a bit concerned.. any ideas what the issue could be?
I have new discs but still kept the original pads that were in the calipers for now ..so maybe this uneven connection is a problem till they bed in.
but I didnt expect it to be this poor .
I am also wondering if air in the abs unit would cause this?
Brakes bleed seemed to go ok so I wanted to get some feedback asap.
hopefully a solution comes soon
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I don't think air.
Air doesn't give you a stiffer pedal. Air gives you a spongy pedal.
How man times did you bleed?
Did you hit the caliper with a rubber mallet to dislodge all the bubbles?
Did you rough up the pads as they were not new?
Did you bed them in with the correct procedure?
I think the pads need to be roughed up and bedded on the new rotors.