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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 08-28-2017, 11:20 PM
camshaft1964 camshaft1964 is offline
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Spark plug change

Has anyone tried Sea Foam fuel additive before changing spark plugs. Apparently it cleans the lower part of the spark plugs eliminating the chance of carbon pulling out the threads when removing old plugs.


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Old 08-29-2017, 10:34 AM
0w40X1 0w40X1 is offline
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That sounds like over kill, but I'd run a bottle of Techron (auto parts store) through it for a week if that concerns you.

I can't imagine carbon on the threads except some poorly designed engines that mostly aren't cars.

I think it'd be more like trouble from corrosion of different metals of aluminum head and spark plug.
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Old 08-29-2017, 08:10 PM
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stonex1 stonex1 is offline
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Meh,
Just change your plugs and you'll be good.
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Old 11-25-2017, 04:48 AM
camshaft1964 camshaft1964 is offline
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I know the three vacuums lines on the side of the engine cover are just compression fittings but what are the two lines laying across the backside of the engine cover. Is there a easy way of removing them?


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Old 06-06-2018, 07:07 AM
zgrunstein zgrunstein is offline
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Just bought an X1 35i MSPT with 57,300KM (35,800mi approx). Just wanted to know some of your thoughts in terms of the maintenance.

Should I do the plugs as preventative ?

So at this mileage now what do you guys suggest. Just had the oil & filter and microfilter done. Im doing the rear brakes today so at the same time should I do the Brake Fluid? I know BMW says the tranny fluid is "lifetime" but we all know that is complete bs... Anything guys?
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Old 06-06-2018, 08:50 AM
Yukoner Yukoner is offline
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FWIW, on my 3 series E90, I tried replacing just the plugs and ran into a jumpy-idle / hesitation situation. I wound up having to replace BOTH the plugs AND the coils at the same time in order to resolve the issue. I believe both components wear very similarly, and probably need to be replaced at the same time, together. Just my opinion, based on my experience thus far.
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Old 06-06-2018, 08:51 AM
Yukoner Yukoner is offline
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(Also, no need to comment and revive 3 old threads with the exact same question...... one would do just fine, or just start your own new thread.....)
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