Spark plug replacement X1 28i E84 N20 - Bimmerfest - BMW Forums



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X1 E84 (2011 - 2015)
First generation BMW X1 availbe as a X1 28i with either sDrive (RWD) or xDrive (AWD) or the US exclusive I6 N55 powered X1 35i xDrive.

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  #1  
Old 03-01-2019, 02:36 PM
swcurry swcurry is offline
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Mein Auto: X1 x28i
Spark plug replacement X1 28i E84 N20

I was going to change my plugs for the first time and i came across a problem with the torque. I bought the NGK Laser Iridium plugs but the NGK website has the torque for a aluminum head at 10.8 to 14.5 foot pounds. The BWM torque is said to be 23 + or - 3 which would equal 16.96 foot pounds at 23 and 14.75 foot pounds at 20 which is still over the max on the NGK Spec. I'm not sure what torque to use.
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  #2  
Old 03-01-2019, 03:11 PM
mreric mreric is online now
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Mein Auto: 2015 BMW X1 Xdrive E84
i think i did the minimum recommended by BMW
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Old 03-01-2019, 03:23 PM
swcurry swcurry is offline
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The minimum for BMW is just over the max for NGK so I was thinking to do the 14.5 which is the max for the plug. Thanks for the quick reply..
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Old 03-02-2019, 12:56 PM
wvadam wvadam is offline
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how many miles/km are you replacing them at?
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Old 03-02-2019, 01:50 PM
swcurry swcurry is offline
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82k
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Old 03-03-2019, 07:56 AM
0w40X1 0w40X1 is offline
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How has car run lately? You loosing MPG, power, or just think it's about time?
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Old 03-03-2019, 01:53 PM
swcurry swcurry is offline
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It's running good but i was loosing a little MPG. I was getting around 27.3 combined and i was getting around 28 a few months ago. I drive about 65 miles a day mostly hwy. I replace them today and reset the MPG so we'll see if it improves. The original plugs looked to be in good shape but i did notice a little build up on the electrode which closes the gap. I fired it up and it sounds great. I didn't use any anti-seizing compound because i read on the NGK website its not recommended. I did used some electrical grease.
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Old 03-03-2019, 02:12 PM
wvadam wvadam is offline
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Quote:
Originally Posted by swcurry View Post
It's running good but i was loosing a little MPG. I was getting around 27.3 combined and i was getting around 28 a few months ago. I drive about 65 miles a day mostly hwy. I replace them today and reset the MPG so we'll see if it improves. The original plugs looked to be in good shape but i did notice a little build up on the electrode which closes the gap. I fired it up and it sounds great. I didn't use any anti-seizing compound because i read on the NGK website its not recommended. I did used some electrical grease.
You bring up a very good point about the electrical grease!

People are saying again and again not to use anti-seize but then what if it were to seize? They say the plugs are plated and wont corrode but you could say that about most fasteners. Maybe it is not recommended because certain types don't get along well with aluminum like copper. Maybe it hardens over time and when you remove the plug, the material could drop into the cylinder? But I can't see a small amount of electrical grease being a problem. I just did my plugs with no A-S but didn't think about just using a dab of grease.
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