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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 12-12-2009, 03:54 PM   #21
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Do the NGK need to be gapped?
No
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Old 12-12-2009, 08:42 PM   #22
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You probably thought that the Bosch plugs were better because the NGKs you were using had 100k+ miles on them or something.

If you think something gives you more power, post a dyno. Otherwise, no one gives a damn.
No one gives anyone a damn, I answered to the op with what I experienced with Bosch plugs in my car, whether you believe it or not is your own choice, but you don't have to post a tension thread like this.

Does anyone out there actually purchased new set of NGK and Bosch plugs and compared to see there's any difference?

Last edited by taibinhvuong; 12-12-2009 at 08:59 PM.
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Old 12-12-2009, 09:23 PM   #23
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This again.
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Old 12-12-2009, 09:30 PM   #24
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I'm not trying to be rude but why do you think that?
I owned my car since new so I know it very well, when I replaced the original NGK plugs with Bosch +4, my initial feeling and impression were the engine got more torque and power even compared to when it was new. After 11k+ miles later I still like it, I did checked all the plugs after 8k miles of installation and they all looked dry and clean.

whether the Bosch plugs are better than the NGKs or vice versa? the easy way to find out is to buy 2 different new sets and try them out if someone is willing to spend extra dollars, otherwise; choose either one that you think is better.

Last edited by taibinhvuong; 12-12-2009 at 09:43 PM.
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Old 12-12-2009, 10:37 PM   #25
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Originally Posted by taibinhvuong View Post
I owned my car since new so I know it very well, when I replaced the original NGK plugs with Bosch +4, my initial feeling and impression were the engine got more torque and power even compared to when it was new. After 11k+ miles later I still like it, I did checked all the plugs after 8k miles of installation and they all looked dry and clean.

whether the Bosch plugs are better than the NGKs or vice versa? the easy way to find out is to buy 2 different new sets and try them out if someone is willing to spend extra dollars, otherwise; choose either one that you think is better.
Is that a joke or something? You don't just replace spark plugs for the fun of it, you replace them because they're worn and don't work as well. Of course you'll get a power boost when you swap them out.. and it's impossible that you can tell the difference between your car these days vs 10 years ago.
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Old 12-12-2009, 10:52 PM   #26
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Is that a joke or something? You don't just replace spark plugs for the fun of it, you replace them because they're worn and don't work as well. Of course you'll get a power boost when you swap them out.. and it's impossible that you can tell the difference between your car these days vs 10 years ago.
So, seems like no one actually can positively sure which plug is better or they're just equivalent, right? unless someone actually did the comparison otherwise; choose the one you like.

Next time when I change my spark plugs, I'll buy 2 different sets and try them out, of course I'll put the better one on my car and trash the other, in case that they're function the same, then I'll keep one as next replacement set. Too bad, this won't be happened soon.

Last edited by taibinhvuong; 12-12-2009 at 11:09 PM.
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Old 12-12-2009, 11:36 PM   #27
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Originally Posted by taibinhvuong View Post
I owned my car since new so I know it very well, when I replaced the original NGK plugs with Bosch +4, my initial feeling and impression were the engine got more torque and power even compared to when it was new. After 11k+ miles later I still like it, I did checked all the plugs after 8k miles of installation and they all looked dry and clean.




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Old 12-14-2009, 08:48 AM   #28
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well.. i searched for spark plugs and ended up here. when i searched for the BKR6EQUP on the AutoZone Website, i get part #3199 for NGK for $8.99. Is this correct? (link: http://www.autozone.com/autozone/cat...Laser-Platinum)
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Old 12-14-2009, 08:51 AM   #29
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wow, i paid about $23 for all 6 plugs .. You might want to call around to your local BMW dealer, part # I bought was 12120141871

BOSCH FGR7DQP
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Old 01-02-2010, 08:26 PM   #30
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well thanks to this thread i got my ngk's (BKR6EQUP) for 7 bucks each as opposed to the $29.50 each they wanted at the dealer for the oem's. + a diy video to boot.
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Old 01-02-2010, 08:57 PM   #31
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Well i've used both bosch platinum 4's and ngk iridiums and the ngk's hold up better over time so it came for the bmw tune-up i went with ngk iridiums. From further research i had discovered that acdelco iridium and ngk iridium are made from the same company. My 03 tahoe had the acdelco iridiums and when i checked them at 104k they were still in excellent shape but i had bought new ones so i replaced them anyway so in conclusion the iridium plugs outperform and outlast the other plugs, this is from my own personal experience and research.
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Old 01-02-2010, 08:58 PM   #32
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its in the manual...and my manual said NGK BKR6EQUP, but i couldn find any here so i bought the bosch platinum +4
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Old 01-02-2010, 10:16 PM   #33
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I used Bosch Platinum+4 for years before and no issues noticed with performance (loss) at all.
Going with what the manual lists is never a bad thing, but often new technologies or plugs come to the market after the manual published so some never make the list which can or could be better.
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Old 01-02-2010, 10:28 PM   #34
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Bosch Platinum+4 over here.
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Old 01-03-2010, 03:25 PM   #35
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awsome
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Old 01-03-2010, 03:31 PM   #36
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Old 01-13-2010, 07:49 PM   #37
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Thanks ! This was a great help!
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Old 01-13-2010, 08:10 PM   #38
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its in the manual...and my manual said NGK BKR6EQUP, but i couldn find any here so i bought the bosch platinum +4
The manual lists a Bosch part # also. Either one is good.
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Old 02-26-2012, 02:32 PM   #39
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My mechanic recommended Bosch 3199, and when I googled the part #, both Bocsh FGR8KQE and NGK (3199) came up, this makes me think they are the same plug? He said they've had nothing but problems with Bosch +4 Plugs.
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Old 02-26-2012, 04:55 PM   #40
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My mechanic recommended Bosch 3199, and when I googled the part #, both Bocsh FGR8KQE and NGK (3199) came up, this makes me think they are the same plug? He said they've had nothing but problems with Bosch +4 Plugs.
My god. OEM NGK. No reason to post that in a 2 year old thread.
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