EH Roof

Need technical Q/A then you're in the right place

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cecotto479
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Post Wed Jun 20, 2012 10:28 am

Anyone able to take a couple of photos of the plumbing for me?
1981 E23 735i
1989 E30 325i Motorsport Convertible
Bavarian Retro - Classic BMW Cars, Parts and Accessories - 12.5% discount for forum members on E30 parts - use voucher code "E30zone" at checkout
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cliff_costa
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Post Thu Jun 21, 2012 6:45 am

yes what do you nead to now
cecotto479
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Post Thu Jun 21, 2012 7:22 am

Brilliant. Thanks.

The connections to the two small rams in the hood please. There are two connections on each. One has two pipes, the other, one.

The connections at the rams are marked "A" and "B".

I need to know what way round they go for both rams e.g. left hand ram two pipes to B right hand ram two pipes to A.

Much appreciated. I can.post or PM photos if it helps.
1981 E23 735i
1989 E30 325i Motorsport Convertible
Bavarian Retro - Classic BMW Cars, Parts and Accessories - 12.5% discount for forum members on E30 parts - use voucher code "E30zone" at checkout
Grrrmachine
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Post Thu Jun 21, 2012 8:02 am

That's what I was thinking... what the f**k is an EH roof? Is it a cabriolet in liverpool?
cecotto479
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Post Thu Jun 21, 2012 8:23 am

Electro hydraulic power roof on early Motorsports and M3s as opposed to EM electro mechanical wiper motor offering on later cars. Really just 1989 only - once they worked out how much it cost they got the EM one working.
1981 E23 735i
1989 E30 325i Motorsport Convertible
Bavarian Retro - Classic BMW Cars, Parts and Accessories - 12.5% discount for forum members on E30 parts - use voucher code "E30zone" at checkout
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cliff_costa
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Post Thu Jun 21, 2012 6:30 pm

okay the pipes are not marked
looking from the back of the car the left ram on the right hand side is marked with B
the right ram on the right hand side is marked with A


on the left hand of the car a pipe comes up and goes to the right ram on the right hand side marked with A, this is a double union
a pipe comes from the right ram on the right hand side marked with A and goes to the left ram right hand side marked with B


on the right hand of the car a pipe comes up and goes to the left ram on the left hand side unmarked, this is a double union.
a pipe comes from the left ram on the left hand side unmarked and goes to the right ram right hand side unmarked
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cliff_costa
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Post Thu Jun 21, 2012 6:34 pm

if we are doing a wiky i wood be rely happy to help a cupall of yers ago i convertid a manall to eh "dont ever triy this wata b..ch "
cecotto479
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Post Fri Jun 22, 2012 8:09 am

Brilliant Cliff. Thanks.

Grrrrrrrrrrrrrmachine let me know what tyou want for the Wiki and I'll get it done. I've dealt with a few of these roofs.

I'd imagine a retrofit would be a nightmare Cliff.

Parts prices are horrendous too. The control box is £2500 from the dealers!!
1981 E23 735i
1989 E30 325i Motorsport Convertible
Bavarian Retro - Classic BMW Cars, Parts and Accessories - 12.5% discount for forum members on E30 parts - use voucher code "E30zone" at checkout
Grrrmachine
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Post Fri Jun 22, 2012 8:27 am

TBH, the most important thing is pictures. There's already a Roof page:

http://www.e30zone.net/e30zonewiki/index.php/Roof

And you can see, there's no info on the differences between manual and electric mechs either, so I need info on how all three work; essentially a Components list of all the significant parts. Photos of each mechanism is really essential, pictures being a thousand words and all that.

a full Retrofit article can wait until some sick bastard documents it.
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cliff_costa
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Post Tue Jun 26, 2012 9:57 pm

I looked throo the wicket and I cood not see the scamatic wiring diagram or brack down of fram and micro swiches for the eh hood. I no daveD poot a linke to it on one of my poste I thing it was fr the bently manuall yers ago
I want to help do the wiky I will tack picchers and meshamamts of the ecu relays micro swiches and all bits and peses but i need sum help with the spelling
Grrrmachine
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Post Wed Jun 27, 2012 6:40 am

That's no problem cliff. You write the information and take the pictures, and I'll do the writing :D
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cliff_costa
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Post Wed Jun 27, 2012 3:13 pm

Cool cheers gremchin
Rite I now have a problem with my eh the hood gets half way and the motor stops till I posh it a litall then it god to completion
I have found the cors it is the hidrolic line that gose to the rear of the hood catching on theicro switch that tells the ecu that the rear of the hood is up or Down

My question is wher dus this pips clip stack tO the body work


This is the position the hood stops in up or down
Image


This is the micro switch
Image


And this is a picture of the pip hiring the m switch
Image


So again my question is whet to the body under the hors shop dus this be held in plas by a clip. I remember wen I took it off the over Car it had a clip holding it