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#1
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Copper vs Galvanized Steel Brake Lines
During the brake pad & rotor replacement on my 2004 X5, 3i, I noticed the brake hose on the rear wheels are badly corroded. So I ordered new ones from local Napa. The small piece in the middle of the new hose is made of galvanized steel. The original is made of copper. So I thought I'd give a try anyway. I replaced the left rear. It wasn't a perfect fit but it went fine. For the rear right, the condition wasn't much different. I don't want to replace this one the new one. There's no leak and everything else looks fine. It was such a mess and pain to replace the first one. The copper tubing has been there all these years and are still intact. I'm seeking your advice to see whether I made right or wrong decision to replace the hose preemptively with a galv. steel tubing. Where I live, all winter we have lots of salt on the roads. Have a look at the picture attached of the one I took out and please tell me your thoughts. Thanks. |
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#2
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Coated steel is reasonably durable. Galvanized would be a lot less durable than the usual coating that they put on steel lines. Is it really galvanized, or the green plasticky coating?
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2011 M3 2006 Sierra 2500HD 4WD LBZ/Allison 2004 X5 3.0i 6MT 1995 M3 S50B32 1990 325is 1989 M3 S54B32 Hers: 1989 325iX 1996 911 Turbo |
#3
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This what it looks like. It's totally greyish.
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#4
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Hard to tell in a picture. That's not as nice as what I'd want to use, but I wouldn't pull it off. Odds are that it'll last longer than you need it to.
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2011 M3 2006 Sierra 2500HD 4WD LBZ/Allison 2004 X5 3.0i 6MT 1995 M3 S50B32 1990 325is 1989 M3 S54B32 Hers: 1989 325iX 1996 911 Turbo |
#5
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Thank you for your response.
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#6
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I replaced both main lines for the rear on my e53. I used nicop and saw no reason to use anything else.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#7
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^+1
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
#8
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Nickel/Copper from American Grease Stick is very good. You can get them with the 10mm fittings BMW uses. Either directly from their website, or from the Advance Auto website.
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#9
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Isn't the OP talking about the semi-flexible section near the wheel? Less choice when looking at those...
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#10
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i went with stainless flexi hoses all round in place of the rubber ones , you need to do a bit of fettling to get the plastic cover to close on the rear but i see stainless as a fit and forget replacement.
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