Rear Diffuser for the F82

lipe · 01-31-2025, 03:03 AM

I am looking for a rear diffuser for the F82. Looking for specific deisgn, basically just the Agency power 3 fin diffuser except, without the winglets poking out of the bumper to the sides.

Second option right now would just be the 3D design diffuser and keeping it 2 fin.

All other reccommendations are welcomed. Thank you

NSX2M4 · 01-31-2025, 05:09 AM

I have the carbon 1.5
The best looking, best quality you can even get for this platform. imo
Blows 3D design away. It also covers up about 80% of the oem exhaust can.

https://******************.com/produ...iber-diffuser/

WhiteFox · 02-09-2025, 03:52 PM

Buy the OEM as looks nice and subtle rather than overkill

TEGRITY · 02-10-2025, 01:23 AM

OEM M Performance is the way to go. Just perfect! Can’t say that for the newer gen BMWs.

DFW Guy · 02-10-2025, 10:04 AM

Can anyone share a link for a comparable quality source on AliExpress or Ebay equivalent?

NSX2M4 · 02-10-2025, 05:08 PM

Quote:

Originally Posted by DFW Guy

Can anyone share a link for a comparable quality source on AliExpress or Ebay equivalent?

They do not exist/fit like shit. My advice to you, is buy a used oem diffuser here in the marketplace. (Been there, done that)

M3SQRD · 02-10-2025, 10:07 PM

I’d recommend the RKP CF diffuser. A new RKP CF diffuser goes for $795 vs. the oem M Perf CF diffuser at $1470 (used oem are close to the new RKP price).

Unfortunately, I had to sell my f82 due to medical issues so I have a used RKP CF diffuser for sale. PM me if you’re interested.

N1rve · 02-10-2025, 11:17 PM

Quote:

Originally Posted by M3SQRD

I’d recommend the RKP CF diffuser. A new RKP CF diffuser goes for $795 vs. the oem M Perf CF diffuser at $1470 (used oem are close to the new RKP price).

Unfortunately, I had to sell my f82 due to medical issues so I have a used RKP CF diffuser for sale. PM me if you’re interested.

Does the kick sensor work with the RKP CF Diffuser?

aaron0524 · 02-10-2025, 11:24 PM

+1 Oem m performance for my f82 clean and settled look.

MW F82 ///M4 · 02-11-2025, 06:11 AM

Another vote for oem. Bought one used on this forum for around $500, perfect condition. Does not work with the kick sensor but I’m fine with the trade off. Looks great with the m performance exhaust carbon tips!

NSX2M4 · 02-11-2025, 05:53 PM

Quote:

Originally Posted by M3SQRD

I’d recommend the RKP CF diffuser. A new RKP CF diffuser goes for $795 vs. the oem M Perf CF diffuser at $1470 (used oem are close to the new RKP price).

Unfortunately, I had to sell my f82 due to medical issues so I have a used RKP CF diffuser for sale. PM me if you’re interested.

I had an RKP front lip and it fit like shit. Cannot comment on the diffuser. But I rocked an OEM CF diffuser for about a year. My carbon 1.5 diffuser is a notch up from oem. With V pattern and 6 coats of clear, it shines just like my oem rear m performance spoiler. I should also note that the trunk function works without modification on the 1.5 diffuser. My oem I had to use rubber washers to allow the kick function to work.

M3SQRD · 02-11-2025, 08:18 PM

Quote:

Originally Posted by NSX2M4

I had an RKP front lip and it fit like shit. Cannot comment on the diffuser. But I rocked an OEM CF diffuser for about a year. My carbon 1.5 diffuser is a notch up from oem. With V pattern and 6 coats of clear, it shines just like my oem rear m performance spoiler. I should also note that the trunk function works without modification on the 1.5 diffuser. My oem I had to use rubber washers to allow the kick function to work.

Thanks for the unnecessary comment on the fitment of the rear diffuser based on your limited experience of using only their front lip which, BTW, you’re the first that I’m aware of that had issues with fitment. Did it have the RKP official holographic sticker on the backside? I’m asking in case you weren’t aware of knockoff RKP front lips and rear diffusers.

Zero issues with fitment on official RKP CF products. Diffuser fits perfectly.

NSX2M4 · 02-12-2025, 04:14 PM

Quote:

Originally Posted by M3SQRD

Thanks for the unnecessary comment on the fitment of the rear diffuser based on your limited experience of using only their front lip which, BTW, you’re the first that I’m aware of that had issues with fitment. Did it have the RKP official holographic sticker on the backside? I’m asking in case you weren’t aware of knockoff RKP front lips and rear diffusers.

Zero issues with fitment on official RKP CF products. Diffuser fits perfectly.

Thanks for the unnessesary comment assuming I bought a knock off...

BUT, it had the logo.
Bought from IND. The screw holes didn't even come close to fitting oem locations. Glad your experience went well.

Thanks.

NickyC · 02-12-2025, 05:10 PM

Vorsteiner. Looks amazing and the cow udder needs to be covered up at all cost (assuming you have stock pipes). Weave direction matches carbon MPE tips as well.

Slow M3 · 02-12-2025, 06:54 PM

Quote:

Originally Posted by N1rve

Does the kick sensor work with the RKP CF Diffuser?

Kick sensor does not work with anything other than stock diffuser.

01-31-2025, 03:03 AM	#1
lipe Registered 0 Rep 1 Posts Drives: BMW M4 2019 Join Date: Jan 2025 Location: AU iTrader: (0)	Rear Diffuser for the F82 I am looking for a rear diffuser for the F82. Looking for specific deisgn, basically just the Agency power 3 fin diffuser except, without the winglets poking out of the bumper to the sides. Second option right now would just be the 3D design diffuser and keeping it 2 fin. All other reccommendations are welcomed. Thank you
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01-31-2025, 05:09 AM	#2
NSX2M4 Lieutenant Colonel 1765 Rep 1,657 Posts Drives: 2019 M4 ZCP- RIVIAN R1S QUAD Join Date: Jun 2019 Location: FTL, FL iTrader: (1)	I have the carbon 1.5 The best looking, best quality you can even get for this platform. imo Blows 3D design away. It also covers up about 80% of the oem exhaust can. https://******************.com/produ...iber-diffuser/ __________________ MGM Ext, SO int, Euro IKON, CS front lip, Carbon 1.5 diffuser, GTS/CS coding, M perf rear spoiler, & everything else STOCK. (Previous E39 and NA1 NSX owner) Those were the days!
	Appreciate 2 f80tanz284.50 lipe0.00 Quote

02-09-2025, 03:52 PM	#3
WhiteFox First Lieutenant 195 Rep 366 Posts Drives: BMW M4 F83 Join Date: Sep 2019 Location: London iTrader: (0)	Buy the OEM as looks nice and subtle rather than overkill
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02-10-2025, 01:23 AM	#4
TEGRITY Captain 1412 Rep 716 Posts Drives: 2022 F90 M5C Join Date: May 2019 Location: Australia iTrader: (0) Garage List 2022 F90 M5 Competi ... [8.00]	OEM M Performance is the way to go. Just perfect! Can’t say that for the newer gen BMWs.
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02-10-2025, 10:04 AM	#5
DFW Guy Private 17 Rep 57 Posts Drives: 2005 BMW M3 Join Date: Feb 2018 Location: Dallas iTrader: (0)	Can anyone share a link for a comparable quality source on AliExpress or Ebay equivalent? Last edited by DFW Guy; 02-10-2025 at 10:40 AM..
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02-10-2025, 10:07 PM	#7
M3SQRD Major General 4673 Rep 8,203 Posts Drives: G20 330ix,F22 240iX,e92 M3 Join Date: Jun 2009 Location: Mid-Atlantic iTrader: (12)	I’d recommend the RKP CF diffuser. A new RKP CF diffuser goes for $795 vs. the oem M Perf CF diffuser at $1470 (used oem are close to the new RKP price). Unfortunately, I had to sell my f82 due to medical issues so I have a used RKP CF diffuser for sale. PM me if you’re interested.
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02-10-2025, 11:24 PM	#9
aaron0524 Private First Class 43 Rep 148 Posts Drives: BMW M4 f82 Join Date: Oct 2023 Location: New Jersey iTrader: (0) Garage List 2017 BMW M4 [10.00]	+1 Oem m performance for my f82 clean and settled look.
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02-11-2025, 06:11 AM	#10
MW F82 ///M4 Private 68 Rep 85 Posts Drives: BMW M4 Join Date: Apr 2021 Location: Henderson Nevada iTrader: (1)	Another vote for oem. Bought one used on this forum for around $500, perfect condition. Does not work with the kick sensor but I’m fine with the trade off. Looks great with the m performance exhaust carbon tips!
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02-12-2025, 05:10 PM	#14
NickyC Lieutenant General 19730 Rep 11,431 Posts Drives: M4 CS. Former G82, x2 F82, F80 Join Date: Nov 2010 Location: Jacked out of my mind iTrader: (23)	Vorsteiner. Looks amazing and the cow udder needs to be covered up at all cost (assuming you have stock pipes). Weave direction matches carbon MPE tips as well. Attached Images
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