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Old 01-27-2014, 09:41 PM   #1
2nd Gear Member
aberg83's Avatar
Join Date: Apr 2013
Location: Guelph
Posts: 244
Ignition wires

When buying an e30, is this something you guys typically change without question? Can a noticeable improvement be expected? Wondering whether I should replace mine.
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Old 01-27-2014, 09:51 PM   #2
Reverse Gear Member
Join Date: Aug 2011
Location: Oakville
Posts: 1,109
I generally do, along with the distro/rotor and plugs. Not critical, but at least one of the boots is always cracked, so I end up needing a new set. Plugs make a bigger difference tbh.
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Old 01-27-2014, 10:58 PM   #3
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Join Date: Nov 2007
Location: Toronto
Posts: 3,410
I'm most cases don't have to change them. the factory ign wires are quite durable and usually last many many years. this I got from bmw tech back in the day when they were abundant. However, as stated above with age and I mean AGE they may crack causing misfire or arching. the reason most don't change them is the cost factor. they are not cheap.

if you are referring to "noticeable improvement" being..."running properly" then yes..LOL!!

I think I've had 14 bmw's in 4 years.
2 IX's -sold and parts
2 325i 4 dr - sold
4 318is all white - sold and parts
1 87 325is red - parts
1 89 325i vert grey - parts
1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.

latest addition as of 2013-Gold 87-325is auto! it's a keeper!
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