can someone tell me the size of metal brake pipe used on our e30's. ive got to replace some of my lines for an mot. Im not at home so cant measure them myself or look in a manual.
Cheers
Si
copper brake pipe size
Moderator: martauto
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coldo
- E30 Zone Regular

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Not sure of the diamiter, sorry.
But ive just had mine done, and make sure and leave yourself plenty time, we had to take the prop shaft, exhaust and fuel tank out just to replace a section! Not the easiest job in the world.
I will try and find out the size for you tomorrow.
But ive just had mine done, and make sure and leave yourself plenty time, we had to take the prop shaft, exhaust and fuel tank out just to replace a section! Not the easiest job in the world.
I will try and find out the size for you tomorrow.
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Taylor325i
- E30 Zone Camper

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I think it's pretty much a universal size for most modern cars. I'm sure wherever you're gonna buy it from will know for sure.
Taylor.
Taylor.
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Guest
As it's a euro motor it should be 3/16"(5mm) dia pipe with M10 fittings.
If you are replacing under the car then try to go for Nickel/Copper pipe, slightly harder than standard copper.
If you are doing it yourself you will need a pipe flaring tool.
If you are replacing under the car then try to go for Nickel/Copper pipe, slightly harder than standard copper.
If you are doing it yourself you will need a pipe flaring tool.
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Andy335Touring
- Married to the E30 Zone

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or you could get them from the dealers ?
I think they come cut to the right length with the correct fittings/ends already on you just have to bend them to shape ?
I think they come cut to the right length with the correct fittings/ends already on you just have to bend them to shape ?
- Brianmoooore
- E30 Zone Team Member

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Brake pipe only comes in one size for cars, 3/16" or 4.6 something mm.
Use copper nickel alloy (cunnifer) pipe. Only costs about Ԛ£7 for enough to do every line on an E30 and still have some left over.
Make sure you get metric fittings for it.
Use copper nickel alloy (cunnifer) pipe. Only costs about Ԛ£7 for enough to do every line on an E30 and still have some left over.
Make sure you get metric fittings for it.
- darren318is
- E30 Zone Newbie

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- Location: dundalk, ireland
si316 thats the nicest 316 ive seen what suspension is it running 
Nice one lads thanx very much for the replys.
The whole rear end is now in bits so getting to the pipes is not a problem.
They really really need doing too. very supprised and shocked its got through an mot.
Darren - Its lowered 60mm front and 40mm rear on a spax psx kit. thanx very much for the comment!
The whole rear end is now in bits so getting to the pipes is not a problem.
They really really need doing too. very supprised and shocked its got through an mot.
Darren - Its lowered 60mm front and 40mm rear on a spax psx kit. thanx very much for the comment!

