m30 HT leads

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mcbonio
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Tue Oct 30, 2012 4:05 pm

Any of you M30 boffins know what the HT lead resistance should be for the M30?
leeparkes
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Tue Oct 30, 2012 4:49 pm

Leads should read about 5-6K ohm, lead that goes to the coil should be 1-2K ohm.
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felt so proud,even tried it with a E30 325i and got put in my place.. :o:
mcbonio
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Tue Oct 30, 2012 5:41 pm

Lovely jublee.!
mcbonio
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Tue Oct 30, 2012 11:06 pm

Ok so, some findings tonight. Resistance tested the ignition leads just now in my nice warm garage. (m30 doubles as a room heater too)

There is a mixed set of leads on the car, half "Beru" half "Ignition leads" brand. All the Beru leads measure 6k ohms all the "Ignition lead" brand ones measure 8k ohms.

The "Ignition lead" brand on cylinder 5, I couldn't get a bloody reading off, even though the car runs on 5 cylinders without it. It must be working to some degree.

The lead on cylinder 6 is missing a few inches of the rubber sheath near the plug, I suspecting that may be the cause of the ticking I get around cylinder 6. I've seen split HT leads tick before today.

What you guys think of that? New leads?

Can M20 leads be used on an M30?
e30topless
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Tue Oct 30, 2012 11:10 pm

hows your dizzy cap ?
Rav335uk
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Tue Oct 30, 2012 11:13 pm

M20 leads can be used on the M30, so can the Dizzy caps, same part number iirc.
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mcbonio
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Tue Oct 30, 2012 11:21 pm

It looks like the PO has had a go at fixing the running problem as the dizzy rotor and spark plugs all look new.

He's overlooked the leads as they look a bit fooked, all mixed sets with some frayed and split and one not giving a resistance reading.

I'll see if my old mate Pacerpete has a good used set, unless you chaps have a set you want to sell?
Rav335uk
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Tue Oct 30, 2012 11:30 pm

I have about 3 good M20 sets of leads, i think all Beru, but i won't be able to get to them 'till Thursday.
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mcbonio
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Tue Oct 30, 2012 11:41 pm

PM me with a price Ravo baby. winkeye
Rav335uk
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Tue Oct 30, 2012 11:42 pm

You want dizzy cap too?
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mcbonio
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Tue Oct 30, 2012 11:50 pm

The one on it looks near new. No carbon on the button or terminals at all.
Rav335uk
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Wed Oct 31, 2012 12:05 am

PM'd :D
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