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      06-01-2021, 10:43 AM   #7
Wolf 335
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Drives: 2007 E92 335i
Join Date: Aug 2012
Location: GTA - Greater Toronto Area

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Quote:
Originally Posted by SAVAGE_VT_E92 View Post
Hmmm interesting... this was a euro-specific shop so I would have thought they could tell the difference between the coating bubbling up vs. the lines themselves rusting out and swelling.... but this is enough to convince me that I should get a second opinion.
Quote:
Originally Posted by SAVAGE_VT_E92 View Post
That's a good question. Specifically in this case the rubber lines coming out of the steel hard lines also need to be replaced... those are what would fail me for inspection. I think I need to ask my mechanic a few more questions though... I'm wondering if the hard lines themselves are problematic or if the fittings are maybe just rusted to the point where they won't budge and he anticipates challenges replacing the rubber hoses as a result. Either way... its back to the mechanic for me.
Just two weeks ago i had to replace my rubber lines in the back and one on the front.

The mechanic warned me that likelihood of the hard lines twisting and cracking due to seizing is high, and could lead to a complete hard line replacement.
Apparently E92 are notorious for this issue (amongst others )

Because of this i did not attempt to do this myself.
I did a bit of prep work before i took her in for surgery.
- I cleaned all the debris with a small wire brush around the fittings. Bunch of salt was baked on there.
- For about a week I have been spraying penetrating oil on the fittings where the rubber line meets the hard line and rubber line at the caliper.

Even with all of that the mechanic had to get the torch out and heat up the fittings.
- Wiggling the nut back and forth finally released the rubber hose from the hard line.
- Rubber lines came out super easy from the caliper.
- After I inspected the repairs, that's when I noticed that the coating on the line was burned off and peeling in that section. I will have to cover it up with some rubberized spray coating. Main thing, no twisting of the hard line or leaks present.

Is it possible for you to post a few pictures of the issue?

Last edited by Wolf 335; 06-01-2021 at 10:50 AM..
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