07-19-2023, 04:22 PM | #1 |
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I need your guys opinion on fitment of this Diffuser on M550i
This Carbon Fiber Diffuser is really cool but im not sure how it will fit my m550i
https://bimmerplug.com/products/3d-s...5-g30-5-series This is what itll fit 2018-2020 BMW F90 M5 & M5 Competition Sedan (Pre-LCI). 2021-Present BMW F90 M5 & M5 Competition Sedan (LCI). 2017-2019 BMW G30 / G38 5 Series Sedan (Pre-LCI). 2020-Present BMW G30 / G38 5 Series Sedan (LCI). I always thought F90 M5 diffuser fitment was different from G30 5 Series? When you chose the options it just lets you choose PRE LCI or LCI and then either dry or wet carbon. So the PRE LCI one can fit PRE LCI F90 M5 or PRE LCI M550i and the LCI version can fit both LCI F90 M5 or LCI M550i? Can it really fit both M5 and M550i? I have a 2020 m550i but according to this fitment information from the page it says 2020 is LCI. I thought LCI is 2021+ ? If i were to get this, id chose LCI since i have a 2020? Right now im trying to decide between this or a CF diffuser from RW Carbon. i think this one looks the best. Id probably leave off the rear splitters. Super confused on this. Last edited by M5pnw; 07-19-2023 at 04:27 PM.. |
07-19-2023, 05:21 PM | #3 |
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I wanna get it but i dont wanna deal with the headache of sending one back if it doesnt fit etc. Its expensive as hell too. 1549 for the Wet Carbon LCI. Which i dont even know if im suppose to choose that one lol. Gonna email them and see what they say.
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07-21-2023, 09:30 AM | #4 |
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You have a pre-LCI, but Lci vs non LCI isn’t the main issue here, it’s that the m550’d exhaust tips are the widest of any 5 series, the m5 included. You should specifically ask them if it works on an m550. Barring that, ask them how wide the exhaust openings are at their widest. If it’s less than 10.5”, it won’t fit. I can tell you from the pics I’m 90% certain it won’t though. It’s a common design (they’re all made in China and rebranded/resold by multiple distributors) and visually the gap is not wide enough. There’s only one design of aftermarket diffuser that fits on the m550 with no modifications, and it’s advertised clearly as being for the m550.
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07-21-2023, 11:11 AM | #5 | |
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07-21-2023, 02:45 PM | #6 | |
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From the looks of it this one looks like it will fit the Remus tips but I’d reach out to them and simply ask if they can: 1. Confirm pre LCI M550 fitment 2. If they can give you the opening dimensions Attached are pics of the M5 style diffuser that will not fit as you can see my the measurement and they way it angles on the outside opening. Bottom measures 10”, but it’s the middle that matters. |
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07-21-2023, 03:35 PM | #7 | |
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The RW carbon one can fit the stock exhaust tips with a small modification so maybe its just best to go with the RW carbon diffuser. It should be no problem with the Stainless Remus Tips. Im worried about this Bimmerplug one being a headache lol. The information on fitment is confusing. Here is the RW carbon im interested in. Last edited by M5pnw; 07-21-2023 at 03:51 PM.. |
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07-21-2023, 03:41 PM | #8 |
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Ah yes I forgot sorry, yes smaller diameter and you’ll definitely be fine then with the width of that diffuser. It’s Daniel that’s getting Carbon tips with his Remus.
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07-21-2023, 03:57 PM | #9 |
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Are you talking about the bimmerplug one or the RW? The RW one might be the way to go because the bimmerplug one is too confusing in terms of the pre LCI and LCI.
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07-21-2023, 04:59 PM | #11 | |
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Bimmerplug said it’ll fit mine when i provided the vin and pictures. Just waiting on them to confirm the pre LCI or LCI because I’m paranoid it’s like a typo on their page lol. For the price of the bimmerplug one I could just get the RW CF diffuser and RE CF front lip/splitters. Decisions decisions. On another note.. I dusted an sti at a stoplight this morning lol. It was early in the morning road was clear. I can only imagine how worse it would’ve been with a tune |
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07-21-2023, 05:12 PM | #12 | |
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07-21-2023, 05:18 PM | #13 | |
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The BimmerPlug fitment information has to be wrong on my first post. Because 2021+ M550i stock diffuser looks different. And the 2017 to 2020 M550i diffusers are all the same right? atleast it looks like it. If i go with the bimmer Plug i will just full send it and chose PRE LCI even though they say 2020 is LCI. |
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Gautam616.50 |
07-22-2023, 11:15 AM | #15 |
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07-22-2023, 01:18 PM | #17 |
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At least pre-LCI you have a few options with RW Carbon that look decent.
My LCI I can’t find anything appealing. I went with RW Carbon but I am not a huge fan of the style. Too squared and blocky for my liking. I just wanted real CF and it was the only option I know will fit. |
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07-22-2023, 01:19 PM | #18 | |
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07-22-2023, 02:03 PM | #19 | |
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07-22-2023, 03:52 PM | #20 | |
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07-22-2023, 08:53 PM | #22 | |
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This looks sick no question but make sure you do your due diligence. There’s alot of aftermarket parts out there at all sorts of diff prices. I’ve also had the hardest time ever trying to contact bimmerplug. Tried to call, it rings forget, tried to email … “email doesn’t exist”. I’m more than happy to drop good money when the customer service is equivalent to the price of the item you’re buying. I just dropped 4k+ on exhaust (x-ph) and Cf spoiler (Rw carbon) and both of them answered all my questions and provided excellent customer service. If I have a hard time reaching a company before I even made the purchase, to me, that’s a huge red flag! My 2 cents that nobody asked for |
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