09-17-2021, 11:28 AM | #1 |
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Drop-in Filter?
Has anyone bought the BMC drop in filter? I should be taking delivery of my G80 next week. Also if I do get them should I install them after the break in 1200 miles?
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09-17-2021, 03:57 PM | #2 | |
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Drop-ins aren’t going to give you much more (if any) sound and no real performance gains. Use up the ones that are in the car and replace them later. |
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09-17-2021, 05:07 PM | #3 | |
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We'd expect to see the same from this platform (S58). We've got a shipment coming in early next week, if someone local wants to purchase and dyno - we'd be happy to share results. IMHO - wait until after 1200 miles, then install since dealers will replace the filters under the service. You won't want them tossing your brand new BMCs.
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09-17-2021, 05:46 PM | #4 | |
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I can tell you more on F97 X3M since I do have F97 X3MC that I daily. After the BMC Filter, I felt that the engine response better. Not sure if it add any hp, but for sure the engine does response better with less air restriction. I will have my stocking order of G8x M3/M4 BMC filter coming in by next week.
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09-17-2021, 07:17 PM | #6 | |
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09-17-2021, 07:28 PM | #7 | |
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Check on the S55 side, there's a few charts to see. Otherwise, we'll post when we have an opportunity.
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09-18-2021, 10:56 AM | #9 |
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if you are not interested in improving the sound and just want the better air flow, BMC is the best filter you can get
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09-18-2021, 09:11 PM | #11 | ||
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09-19-2021, 09:36 PM | #12 |
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They absolutely do in conjunction with charcoal removal. I saw first hand on the dyno with my big turbo S55 the difference they made.
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09-27-2021, 05:54 PM | #14 |
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G8x BMC filters are finally here:
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09-27-2021, 06:37 PM | #16 |
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If someone wants to before/after dyno, we'd be happy to post results. Otherwise, results should be similar if not exact to S55. Most (if not all) gains on intakes are usually contributed to the filters themselves.
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09-27-2021, 11:57 PM | #17 | |
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With that said, these will make power. It's just a matter of how much on stock tuning. I ran paper filters for a while on my S55 on full E85 (24 psi) then switched back to BMC. The difference can be felt at the top end. There is no doubt about that.
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09-28-2021, 07:07 AM | #18 | |
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It’s not unreasonable to want proof of performance gains. |
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10-08-2021, 10:06 AM | #19 |
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You guys think I should get them after I do the break-in service?
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10-08-2021, 10:32 AM | #20 |
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If they did anything you'd see dynos showing that by now. Save your money and just remove the factory carbon filter.
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10-08-2021, 10:33 AM | #21 | |
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10-08-2021, 10:41 AM | #22 |
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