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Old 03-16-2024, 01:10 AM
Join Date: Jan 2024
Location: United States
Posts: 44
Factory6speed is on a distinguished road
+1 for replacing the rubber line. Internal fragmentation. I just had mine looked at by the dealer, before I do anything stupid. He said the brake lines would be good to do, they can fragment internally and a piece can hang down, which prevents the fluid from releasing back upwards, sticks the caliper and causes overheating.

I would probably do the hose or just all 4 and fresh fluid again. Perhaps there's a good stainless line kit for the e53. I also have to replace some rusted metal pipes unfortunately it's going to suck.
'05 E53 X5 3.0 6mt. Sterling gray metallic / black. 130k
'17 F30 340ix 6mt. Black sapphire metallic / black. 80k
'96 E36 328is 5mt. Alpine white / grey. 150k
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Old 03-16-2024, 02:12 AM
wpoll's Avatar
Join Date: Sep 2015
Location: South Island, New Zealand
Posts: 4,671
wpoll will become famous soon enough
+1 on the hose possibly being the issue. I had this very fault on my BMW F650GS Dakar rear brake - the factoy rubber hose collapsed intenally and caused the rear brake to drag. Warped the rear rotor...
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)
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Old 03-20-2024, 01:54 PM
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Join Date: Oct 2022
Location: Germany/Serbia
Posts: 50
alexxxa is on a distinguished road
Here I am, just reporting on the issue.

We fixed the problem! And the problem was maybe the dumbest that I've ever seen. The caliper looks very well, hoses are also okay. What we did, we put some good, but used brake pads (now I don't think that was the problem, but I think I'll stick to them if the braking forces are good), and we changed the brake caliper spring.

And it looks like the spring was too tight. It looks like it pressed too much the moving part of the caliper to the rotor.
Which is weird, because the springs were new, they arrived from ATE with the entire package for the brake job. And the one on the left makes no problems.

But, however, now everything looks fine. I'll follow the situation in the next few days. But I drove more than 700km, and I noticed no issues.
BMW E46 318d '03
BMW E53 3.0d '06
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