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      08-11-2017, 06:42 PM   #1
08 1ER
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Potential problems with loose spark plugs???

Installing PR coils today on 135i i bought back in May. Figured i would put new 5992's in as well. While doing so i found three plugs that were loose! Not even hand tight. Can there be any potential problems associated with this? The picture shows the three plugs and the one in the middle was the worst.
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Last edited by 08 1ER; 08-14-2017 at 02:29 PM..
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      08-14-2017, 08:10 AM   #2
doublevanosrc
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Who changed them last? Were they torqued to specs??
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      08-14-2017, 09:35 AM   #3
bm996tt
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Plugs come loose sometimes, rare but I've seen it happen. Put new plugs in correctly and forget about it.
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      08-14-2017, 01:37 PM   #4
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Cylinders 3/4 by chance?

My 3/4 seem to work loose and I don't know why. ... I don't want to know why either.
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      08-14-2017, 02:23 PM   #5
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Quote:
Originally Posted by bm996tt View Post
Plugs come loose sometimes, rare but I've seen it happen. Put new plugs in correctly and forget about it.
Yup new ones installed. I'll check em from time to time.
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      08-14-2017, 02:24 PM   #6
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Quote:
Originally Posted by iminhell1 View Post
Cylinders 3/4 by chance?

My 3/4 seem to work loose and I don't know why. ... I don't want to know why either.
Yes...3,4 and 6.
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      08-14-2017, 02:27 PM   #7
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Only time I've personally had it happen was on my 1987 325is, blew out on me after install and torqued correctly?= put back in and never happened again?
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      08-15-2017, 04:36 AM   #8
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Quote:
Originally Posted by 08 1ER View Post
Yes...3,4 and 6.
My theory,

3/4 because of oil spillage.
6 because of moisture, washing engine and rain. I know on mine if I don't have the engine cover on, 6 gets wet in the rain.
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      08-15-2017, 11:59 AM   #9
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Quote:
Originally Posted by iminhell1 View Post
My theory,

3/4 because of oil spillage.
6 because of moisture, washing engine and rain. I know on mine if I don't have the engine cover on, 6 gets wet in the rain.
My oil fill cap was leaking into 3 and 4. Replaced that and no more issues with leaking. This car will probably never see rain during my ownership as i only drive it on the weekend. Plus you can bet your paycheck that it'll be sunny on any given day in Phoenix. Washing though, it'll see a lot of water that way. I'll just have to periodically check them.
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