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Old 10-10-2012, 05:25 PM   #1
Bimmerboye46
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Question What kind of spark plugs should I put into my e46?

I have a 2001 325i manual. Any spark plug suggestions?

I heard platinum bosch are no good?
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Old 10-10-2012, 05:27 PM   #2
Solidjake
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Ngk bkr6equp
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Old 10-10-2012, 05:28 PM   #3
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and my vid


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Old 10-10-2012, 05:56 PM   #4
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That's the vid with those girls in bikinis, isn't it? Great vid...and I have to say, they handled that 'long socket' very well.
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Old 10-10-2012, 07:56 PM   #5
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One day I will make a vid like that for you my friend.
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Old 10-10-2012, 08:43 PM   #6
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Buy them at advance auto, and use a coupon online..
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Old 10-10-2012, 08:49 PM   #7
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Ngk bkr6 equp
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Old 10-10-2012, 09:02 PM   #8
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Originally Posted by Bimmerboye46 View Post
I have a 2001 325i manual. Any spark plug suggestions?

I heard platinum bosch are no good?
Buy ngk at advance
http://forum.e46fanatics.com/showthread.php?t=942982




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Buy them at advance auto, and use a coupon online..
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Old 10-22-2012, 06:58 PM   #9
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So, would NGK's BKR6EQUP be 'better' than their Iridium IX BKR6EIX (part #6418) for our engines?
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Old 10-22-2012, 08:05 PM   #10
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Yes, because it has the 4 ground straps versus the single one. The iridium plugs would be better for a short time, but a platinum plug with 4 straps will wear better and provide better performance over its lifespan.

Regardless, I would advise against leaving plugs in for the "rated" 100K miles. 40-50K is a more reasonable number. You will make back the additional expense in fuel economy.
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Old 10-22-2012, 08:15 PM   #11
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The previous owner of my car had the plugs changed about 65K ago, so I figured it's about due to change them. Thanks for the info lcolemen.
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Old 10-22-2012, 08:19 PM   #12
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copper kids, pull them often. If you see something odd. replace it. Copper!
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Old 10-22-2012, 08:27 PM   #13
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pretty sure the factory plugs don't need replacing till 100k

does this hold true with these ngk?


and are the stock plugs ngk? thought they were bosch
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Old 10-22-2012, 08:30 PM   #14
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Both NGK and Bosch are OE suppliers, but most forum users seem to think that NGK are better for whatever reason.

FWIW, I'm also on the "copper and change frequently" bandwagon, but most people aren't willing to swap plugs every oil change or two. Factory plugs are "rated" at 100K, like I said, but that doesn't mean there isn't a benefit to replacing them sooner. Replacement interval is far more important than the conductive coating (copper, iridium, platinum, etc).
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Old 10-22-2012, 08:55 PM   #15
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well, i've always done em at 30k with tune up but, this car is a diff maint deal
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Old 10-23-2012, 12:38 AM   #16
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pretty sure the factory plugs don't need replacing till 100k

does this hold true with these ngk?


and are the stock plugs ngk? thought they were bosch
My oem ones were bosch.
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Old 10-23-2012, 12:48 AM   #17
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Bosch works very well on mine. However, I can only compare them to worn NGKs which were installed when I bought the car. Not a fair comparison
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Old 10-23-2012, 09:52 AM   #18
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so again, do the ngk last 100k like the bosch?
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Old 10-23-2012, 10:02 AM   #19
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Both are rated at 100K miles. I belive they are built to the same specifications, just different mfg'rs.
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Old 10-23-2012, 11:19 AM   #20
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Both are rated at 100K miles. I belive they are built to the same specifications, just different mfg'rs.
i see, ty
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