08-24-2021, 10:33 AM | #1 |
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Plugs for stage 1 tune f15
I just got off the phone with a local import shop. I just got stage 1 bm3 tune on my 2015 x5 f15. I want to change the spark plugs as I have 80k miles. I told them that from reading I wanted to go 1 step colder plugs due to the tune. He said unless you're racing or going to the track frequently which I don't he doesn't recommend colder plugs and oem will work just fine. Anyone have any insight on this? The car doesn't really get beat up. I just wanted some more hp and torque as my daily driver.
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08-25-2021, 02:36 PM | #2 | |
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08-25-2021, 04:09 PM | #3 |
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the shops right, unless ur keeping ur engine constantly in the upper rpm band, re: racing/tracking, or ur tune is so aggressive that ur ecu cannot retard enough timing to prevent knock, u dont really need colder plugs.
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08-26-2021, 04:34 PM | #4 | ||
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08-30-2021, 08:11 PM | #5 |
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Going a step colder is only recommended w/ the BM3 Stage 2 tune, not stage 1. That being said, I'm running stage 2 93 BM3 tune on OEM plugs right now, but I do plan on changing to a step colder in the next couple of months.
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06-22-2023, 08:54 AM | #6 |
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Bringing this old thread back to life.
I just recently bought a 2018 F15 xdrive35i and want to install BM3. I reached out to Bootmod last week about the spark plugs and they recommended to change them to one step colder for better performance. I know this thread was started in 2021 and it's now 2023, so I have a feeling they have done plenty of research from then to now. So I will be replacing my spark plugs next week and flash the car to Stage 1 93 octane tune.
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06-22-2023, 03:45 PM | #7 | |
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06-22-2023, 04:21 PM | #8 | |
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06-26-2023, 08:47 AM | #9 |
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Thank you guys.
My spark plugs came in and will be getting them changed out within the week then BM3 is next. Shortly after will be the MPE! Cant wait...the x5 is way too quiet!
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10-31-2023, 06:08 AM | #10 |
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What’s happening, brother? You still driving the sdrive35i? I have the same model (but 2017), and I’m thinking about pumping her up with a catless downpipe, new charge pipe, and BM3 stage 2. Are you still running stage 1 or did you go deeper?
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11-03-2023, 03:40 AM | #11 |
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I have the XDrive 35i but I put on er charge pipe lower and upper and got a gfb dv + and custom fabricated exhaust. I remained on bm3 stage 1. I ended up purchasing a G05 with N63TU3
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11-03-2023, 07:49 AM | #12 |
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I’ve got a 2017 35i that’s been tuned running on ethanol for almost two years. Been running NGK 97506 plugs gapped at .022” for 40k miles with no issues.
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