05-18-2020, 06:46 AM | #1 |
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M240 B58 Spark Plug upgrade?
So I've been running a JB4 and now have dropped it and went BM3 stage 1 93 octane. Hopefully in the next couple weeks I'll be able to get my catless pipe on and go Stage 2. I see guys upgrading for E30 tunes so at what point do you need one stage colder plugs on these cars?
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05-18-2020, 08:22 PM | #3 |
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Start with doing some logs to determine if you need it. You'll end up switching sooner than normal standards too. Go to Burger tuning website and buy the B58 specific ngk when you are ready. It's a crap shoot at stage 2 if you need them. Some folks have no issue, my timing was a bit crappy so I went to the ngk and benefited. So def get a good log run in and seek advice from there. Will save you $$ I'm the end by not guessing.
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05-19-2020, 06:46 AM | #4 |
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Per their site they don't really say what is recommended with what tune. They just put what percentage their tunes hp is over stock. I guess it's just assumed you know what a stage 2 or 2+ entails. I've had guys say if you tune your car you need one step colder plugs. That's what I'm trying to figure out.
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05-19-2020, 07:28 AM | #5 | |
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Pull logs, sit with a tuner, get car custom tuned on a dyno. Do it proper instead of this guesswork. |
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05-19-2020, 11:05 AM | #6 | |
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I would wager that a majority of people running OTS tunes have no clue whether they need different spark plugs or not.. Which inevitably leads to “the blind leading the blind”. The situation isn’t one size fits all by any means, you definitely need someone to read the logs and then determine if you need a spark plug change. |
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05-19-2020, 01:17 PM | #7 | |
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05-19-2020, 03:02 PM | #9 |
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05-19-2020, 03:19 PM | #10 |
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05-19-2020, 03:31 PM | #11 | |
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05-19-2020, 04:19 PM | #12 | |
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Considering that if you were to somehow not get caught doing it, you would be defrauding the future purchaser of the vehicle, I have no issue with telling you that what you’re doing is incredibly stupid. But I guess that the stupidity is self explanatory, since you want answers about spark plugs on an OTS tune, Without even producing Data logs, rather than paying for an educated answer that is customized to the vehicle that you’re currently molesting. |
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05-19-2020, 05:47 PM | #13 | ||
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They walk among us... That's scary. Hey OP, there is a thin line between ballsy and foolhardy, and we all cross it every once in a while, right? Why not However if one were to cross it, let's do it properly, yeah? Suave, like helloelectric is right; get your data logs, and work with your timings from there. I would say save yourself the headache of hit and trial and let a tuner custom tune your car and let them do all this gapping business. |
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05-19-2020, 06:51 PM | #14 |
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I was going to stay out of this, but noticed your Dragy 1/4 mile time on the track/autocross page with the following (including your 11.7 time):
Dinan intake, Jb4, xhp trans flash. Waiting to put on a bm3 tune and go catless. I was very impressed. Are you seriously doing this with a leased car?????? |
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05-19-2020, 09:19 PM | #15 |
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Exactly.
Imagine buying a CPO "lease return" (as most of the repeat german car owners do) only to find out it was molested with JB4 and who knows what else. great way to piss on everyone else just out of selfish gluttony. |
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05-20-2020, 06:01 AM | #16 | |
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05-20-2020, 06:04 AM | #17 | |
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05-20-2020, 06:11 AM | #18 | ||
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I find it absolutely hilarious that both of you are basically saying "think of who will own it next". If you are worried about who will own your car next then you are just the two funniest guys I've ever came across. When you rented an apartment when you were younger and had a woman or a man over did you say to yourself "lets not have sex because someone else is going to live here one day". Also if you're scared and worried about what the previous person did to a car then pony up and buy a new car. See how that works Alek? If you can't afford to buy the car new and buy preowned then you can't be picky about what the previous owner did to the car. Put on your big boy pants and buy a brand new one. But hey, thanks for the lecture Dad. Funny how you also assume that I won't be buying out the lease when I'm done. |
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05-20-2020, 07:23 AM | #19 |
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05-20-2020, 01:50 PM | #21 | |
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You should learn that hypocrisy is an ugly outfit for anyone. Also, my professional experience has been that anyone talking about how they could “buy the car cash” has ALWAYS been the person bluffing about it. As someone who worked in F&I, I can smell bullshit from a mile away, and you, my friend, reek of it. |
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05-20-2020, 02:14 PM | #22 | ||
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240Newbie man lets call it truce; your posts this morning were extremely defensive. AleksanderSuave and Throttlesteer14 are both good people and extremely knowledgeable. People mean well; don't take it personally. We all can learn awesome things from each other. |
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