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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Mon, Mar-20-2017, 11:45:22 PM   #1
englishtom1596q
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Default Front SS brake line issues.

Hey guys i've been trying to figure this issue out but to no avail. Even called ECS and Ground Control but they'd never heard of anyone having an issue.

Basically it seems like the front lines are way too long and binding up. You can see how tight the bend is going to the hard line and with the wheel turned out it wants to pop off the strut.





Anyone have any ideas?
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Old Mon, Mar-20-2017, 11:47:46 PM   #2
betrezra
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Default Re: Front SS brake line issues.

Looks normal to me. Have you checked the binding lock-to-lock?
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Old Tue, Mar-21-2017, 12:23:49 AM   #3
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Default Re: Front SS brake line issues.

That looks normal to me also.

Mine actually look even longer. The line itself slides through the rubber grommet (when turning) that attaches to the strut. If yours doesn't thats probably why it wants to pop off.
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Old Tue, Mar-21-2017, 12:29:17 AM   #4
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Default Re: Front SS brake line issues.

Thanks for the input. I'm beginning to think it's mainly due to the extra black rubber they have on it that doesn't allow it to move. Maybe I'll just run them and hope they loosen up.
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Old Tue, Mar-21-2017, 02:02:38 AM   #5
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Default Re: Front SS brake line issues.

The length looks normal to me. Did you make sure there wasn't any rotational binding when they got tightened down? If they got twisted, that would exasperate any stiffness.
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Old Tue, Mar-21-2017, 02:42:04 AM   #6
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Default Re: Front SS brake line issues.

You're missing the mounting that holds the hard line in the chassis bracket. With SS lines you need to use a washer to keep the head from just pulling through the mount hole.
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Old Tue, Mar-21-2017, 05:15:08 AM   #7
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Default Re: Front SS brake line issues.

This part I believe is what you are referring to: 34341163565
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Old Tue, Mar-21-2017, 12:58:28 PM   #8
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Default Re: Front SS brake line issues.

The spatial relationship between the caliper and the strut body does not change when steering input is applied, so move some of that slack towards the front of the strut.
Play around with the steering while the car is up on jackstands. Go from lock to lock (road wheels off)while watching the attitude of the line...you'll likely get some inspiration as to where you can bend(adjust) the hard line so that there is the least amount of movement or stretching of the braided line during steering application.
I think that bending the hard line rearwards to follow the axis of the strut may help.
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Old Wed, Mar-22-2017, 01:03:39 PM   #9
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Default Re: Front SS brake line issues.

Thanks guys, i hadn't actually tightened everything down so i didn't have the metal tab in the picture (they will be for final install).

The ECS lines also don't slip through the hole like others and have locking tabs to stop it rotating once in which is a nice touch compared to other lines.

The pictures shown are lock to lock and the half towards the front of the car that looks uncomfortably tight.

I guess ill just get it the best i can and see how it does. Really don't want to lock up a caliper due to pinched lines.
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Old Wed, Mar-22-2017, 09:53:39 PM   #10
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Default Re: Front SS brake line issues.

Cool to see you still have that car man
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Discussing Front SS brake line issues. in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)