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best spark plugs for an m20 what do you use?
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Originally posted by nando View Postfunny, BMW seems to think NGK works good enough to be the factory plug for the S54. But I guess you're smarter than their engineers..
Originally posted by nwvb bmwThat guy is going to lock you in his basement and make you ware a little pirate costume.
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Originally posted by Mullet Bullet View Posti run what the factory puts in.Originally posted by nando View Postwhat? you said NGKs were for asian cars. I think that's pretty clear (and stupid).
Originally posted by nwvb bmwThat guy is going to lock you in his basement and make you ware a little pirate costume.
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replaced my bosch supers with cheapo copper ngks with .033 gap, since I couldn't find anywhere that stocks bosch supers. old plugs were old and fouled, ngk plugs work great.Originally posted by priapismMy girl don't know shit, but she bakes a mean cupcake.Originally posted by shamesonUsually it's best not to know how much money you have into your e30
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bpr6es work well enough as they are a step colder , otherwise for another step colder again bpr7es if they run too hot assuming you have stock plug leads etc that need the screw off tips89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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NGK ZGR5A for my Eta. No issues ever.Estoguy
1986 BMW 325, Alpenweiss ~ "Elsa"
Need a photographer, come visit my site: http://estoguy.wix.com/unique-perspectives
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Originally posted by digger View Postbpr6es work well enough as they are a step colder , otherwise for another step colder again bpr7es if they run too hot assuming you have stock plug leads etc that need the screw off tips
should I re gap them or standard 0.8 would be fine ?
I'm using COP setup with m54 coils
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So I don't see this mentioned on forums, but do we have to "tip" or properly space the spark plugs before putting them in? I wasn't even aware this was a thing, or maybe thought it was more prevalent on significantly older engines. Brought it up to my old man and he was like, well of course you have to space the tips properly....
Or is the point that if you get particular plugs made for this engine, you don't have to. Because I didn't on my e30 and didn't on my e46 either.
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The ZGR5As should be fine out of the box. I forget what they are gapped to, but it's the upper end of the range for them. A gap at the wider end helps stabilize the idle. I've never gapped mine, but always check them before installation.Estoguy
1986 BMW 325, Alpenweiss ~ "Elsa"
Need a photographer, come visit my site: http://estoguy.wix.com/unique-perspectives
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