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  #21  
Old 10-02-2019, 03:40 PM
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Quote:
Originally Posted by Hjaltivignis View Post
I just hate those Nxx engine from BMW lol. I used NGK 3199, if I unplug the MAF it runs like hell, so the MAF is ok and no vacuum leak.

Already spent over $9.000 in reapirs on it, and just about geting fed up with that piece of metal.

*edit* I just found out that NGK 3199 are not the right spark plugs, I was looking at another car when I took them out of the shelf. Will replace them with the right ones and hopefully the car will be fine

I hear you. My X5 is just a work beater anyway. I am strongly considering just getting a Honda CR-V.

Let us know how the correct plugs go for you.
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  #22  
Old 10-03-2019, 04:34 PM
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The spark plugs were the right ones, no oil or anything, everything looks clean as it should be.

Swapped ignition coils and will plug it to a computer tomorrow morning to see if the misfire is still isolated to cyl. 8.
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  #23  
Old 10-03-2019, 05:54 PM
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Quote:
Originally Posted by Hjaltivignis View Post
The spark plugs were the right ones, no oil or anything, everything looks clean as it should be.



Swapped ignition coils and will plug it to a computer tomorrow morning to see if the misfire is still isolated to cyl. 8.


Iím pretty sure the NGK3199 are not the correct plugs. They arenít even listed on NGKs site as compatible. I once installed the wrong plugs. Ended up with multiple misfires before I installed NGK 4294 to solve the issue.


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  #24  
Old 10-03-2019, 06:22 PM
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Wtf is wrong with the quote button?

Unicorn is correct, the 4294 is the OE Laser Iridium Plug. 6441 is the Iridium IX. 3271 is the Double Platinum. 7100 is the G-Power Platinum. 4291 is the V-Power Copper.

Where did you get the 3199 from? Did some shop recommend it?
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  #25  
Old 10-03-2019, 06:36 PM
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Quote:
Originally Posted by Viktimize View Post
Wtf is wrong with the quote button?

Unicorn is correct, the 4294 is the OE Laser Iridium Plug. 6441 is the Iridium IX. 3271 is the Double Platinum. 7100 is the G-Power Platinum. 4291 is the V-Power Copper.

Where did you get the 3199 from? Did some shop recommend it?


Only use the OE 4294. Some of the ones on the NGK site fit but are not compatible.


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  #26  
Old 10-03-2019, 06:45 PM
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Originally Posted by Baby Unicorn Taco View Post
Only use the OE 4294. Some of the ones on the NGK site fit but are not compatible.


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All of those listed should work, their lifespans will vary though. But yes I would also recommend only using the 4294 which I mentioned is the OE replacement.
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  #27  
Old 10-03-2019, 06:48 PM
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Quote:
Originally Posted by Viktimize View Post
All of those listed should work, their lifespans will vary though. But yes I would also recommend only using the 4294 which I mentioned is the OE replacement.


Thatís just it. They donít all work but they do fit. I used one of the listed ones on my 4.8i. Threw misfires everywhere. I contacted NGK and the shop I bought them from damaged them out in the return and I bought the OE 4294. Fixed it all.


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  #28  
Old 10-03-2019, 07:42 PM
ard ard is offline
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Quote:
Originally Posted by Viktimize View Post
Wtf is wrong with the quote button?

Unicorn is correct, the 4294 is the OE Laser Iridium Plug. 6441 is the Iridium IX. 3271 is the Double Platinum. 7100 is the G-Power Platinum. 4291 is the V-Power Copper.

Where did you get the 3199 from? Did some shop recommend it?



LOL...75% of the time the quote doesnt work on this website. Annoying.


1. Manufacturers, as in PLUG manufacturers, may say it is the right' plug, but that is only their opinon. The fancy, advanced designs are not OE....and while NGK may say they work, they may not. Subtle differneces in temp, cooling, flame-wavefront, etc, can happen in some BMW engines


2. FI (turbo) motors are MUCH more susceptible to these plug issues. I think timing is tighter AND thermal effects at the combustion point become more critical.


FWIW
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  #29  
Old 10-04-2019, 03:54 AM
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When I say the right ones I meant that I did not use NGK 3199 like I tought. I used bosch 0 242 235 776. So spark plugs are not the issue.
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  #30  
Old 10-07-2019, 08:01 PM
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Iridium IK20TT 4702 Denso Spark Plugs from eBay worked out fine for me.They were $38 for 8 spark plugs...
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