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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E38 (1995 - 2001)

7 Series - E38 (1995 - 2001)

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  #1  
Old 04-08-2013, 01:10 PM
ayzee ayzee is offline
luv that beamer smell
Location: Alanta GA
 
Join Date: Apr 2013
Posts: 2
Mein Auto: 1995 750li
Unhappy spark plug wire is coming off

okay I need some advice about this one spark plug wire on my 95 750li . Its the far back wire on the passenger side of the motor. I got new wires and plugs but this one plug I've been told has an insert in the hole for the plug so it protrudes out more then the rest of them. So every time I put the wire on the plug it runs fine till I give it some gas then it comes right back off. One mechanic told me its the pressure from the cylinder passing past the threads forcing the wire off. Has anyone seen this before and what can I do to fix it?
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  #2  
Old 04-08-2013, 01:38 PM
Cosmopat Cosmopat is offline
M is my favorite letter!
Location: Under the hood
 
Join Date: Jan 2013
Posts: 12
Mein Auto: 2000 740i m-sport
Sounds like either the spark plug isn't installed properly, which yes then blow by may unseat the wire.....or the the inside of the wire may be defective and causing the issue.
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  #3  
Old 04-15-2013, 11:50 PM
Moveitsmike Moveitsmike is offline
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Location: Arizona
 
Join Date: Apr 2013
Posts: 24
Mein Auto: 97' BMW 740il, 06' 330i
they are not wires, they are ignition coils. they slide right on the plug itself and two screws hold it together..
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  #4  
Old 04-17-2013, 07:44 AM
ayzee ayzee is offline
luv that beamer smell
Location: Alanta GA
 
Join Date: Apr 2013
Posts: 2
Mein Auto: 1995 750li
actually they are wires, I'm getting my passenger side replaced today. I'm 110% sure.
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  #5  
Old 04-17-2013, 11:21 AM
First740il First740il is offline
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Location: michigan
 
Join Date: Apr 2013
Posts: 106
Mein Auto: 740il
Its a 95. Deff wires on that.

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  #6  
Old 04-17-2013, 04:53 PM
jitsjaf2009 jitsjaf2009 is offline
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Location: Hemet, Ca
 
Join Date: Aug 2012
Posts: 451
Mein Auto: 1995 325i Convertible
I have a 1995 740i and it has the coils...not plug wires???
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  #7  
Old 04-18-2013, 01:29 PM
Moveitsmike Moveitsmike is offline
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Location: Arizona
 
Join Date: Apr 2013
Posts: 24
Mein Auto: 97' BMW 740il, 06' 330i
97 750li???? thats not an e38.. youre confusing me.. they are ignition coils.. take a picture and show me what youre referring to as a "wire"
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  #8  
Old 04-18-2013, 04:44 PM
First740il First740il is offline
Officially Welcomed to the 'Fest
Location: michigan
 
Join Date: Apr 2013
Posts: 106
Mein Auto: 740il
You are posting in e38 forum. 750il has coil. Its it fasten correctly??

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