[Roki_014]

Just got a call from my SA and apparently my brake pads are shifting all 4 while breaking, every time i brake at slow speeds form park or about to revers i hear clunk noise, they opened the puma case as they are not sure what to do, i drove for 1k miles like this thinking its nothing. Has anyone else experienced this?

[Roki_014]

No one?

[gomichaelkgo]

I hear a click when changing direction. If I back out of a parking space that I had pulled in, I hear movement in the pads when I hit the brakes.

[aacabriolet]

Had the exact same thin you describe in my 1er and they managed to fix it, not sure what exactly was the problem. But make sure they do fix it cos you can obviously hear the clunk is not right. For me it also was only noticeable at slow speeds, usually when slowly backing out of my drive and applying brakes.

Keep us updated

[RoundelM3]

I had some squeal happening just as the car was about to stop, and sometimes when starting off from a stop if I turned the steering wheel - all this at very low speeds. The dealership ordered some new-design brackets for the front calipers/pads and this fixed the issue. I think they mentioned this was a known issue. Could possibly be a similar fix for the clunking you're hearing.

[Dog Face Pony Soldier]

My M Sport brake pads shift when changing directions, but I considered that par for the course when using fixed calipers.

[alienranch]

Originally Posted by glennQNYC

My M Sport brake pads shift when changing directions, but I considered that par for the course when using fixed calipers.

Don't think it should do this

[paulbrenneman]

Originally Posted by alienranch

Don't think it should do this

I'd have someone drive the car slowly and step on the brake, drive in reverse and step on the brake, while you walk next to the car and see if you can hear anything. If I didn't notice anything that way I'd jack the car up, rip a front wheel off, and make sure all the bolts holding the caliper are on tight. If they are then I'd put the wheel back on and check the other 3 brakes. Last thing id do is jack the car up, have someone sit in the car and push on the brake while I try to rotate the wheel clockwise and counterclockwise, looking for any play, if not check the other 3 wheels. You can change the order around, maybe do the last thing while you already have the car jacked up in an earlier step, but I ordered them in what i thing you'd be more likely to find the problem. If you do have to tighten any of the bolts on the caliper they should be pretty tight, not like ridiculously tight but very snug. As for the wheel lugs you should definitely use a torque wrench. If you don't have one I'd say just forget it and take it into the dealer or a shop and have them diagnose it.

[Dog Face Pony Soldier]

Originally Posted by alienranch

Don't think it should do this

I've driven enough vehicles with fixed calipers to expect this. It's not a big deal. I think if it like an aggressive cam causing a lumpy idle... High performance can be slightly less civilized sometimes.