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      02-17-2019, 12:00 PM   #1
Bimmertrashjr
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Rear diffuser ideas

Anyone with any input on a new diffuser? I don't want CF, just something a little more aggressive. Seems to be a lot of choices for G30, but very little for M550.
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      02-17-2019, 05:42 PM   #2
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I have the AC Schnitzer but fitment is a little annoying, just been too lazy on night shift to get new pictures. Not sure how it will look with the stock exhaust though as I did their full catback exhaust.
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      02-17-2019, 06:26 PM   #3
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Quote:
Originally Posted by Mach550 View Post
I have the AC Schnitzer but fitment is a little annoying, just been too lazy on night shift to get new pictures. Not sure how it will look with the stock exhaust though as I did their full catback exhaust.
I have the Dinan exhaust.
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      02-18-2019, 08:37 PM   #4
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Ikon motorsport has some good stuff
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      02-19-2019, 05:59 AM   #5
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The m550i exhaust tips are slightly larger than the oem 540i & 530i.

They would fill this M5 style diffuser way better.

https://www.futuredesignusa.com/prod...-rear-diffuser
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      02-19-2019, 06:17 AM   #6
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Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again
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      02-19-2019, 06:18 AM   #7
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Quote:
Originally Posted by Norris83 View Post
The m550i exhaust tips are slightly larger than the oem 540i & 530i.

They would fill this M5 style diffuser way better.

https://www.futuredesignusa.com/prod...-rear-diffuser
I appreciate it. I will contact them today and make sure it fits my exhaust.
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      02-19-2019, 01:25 PM   #8
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Your other option is M performance diffuser but a replica one from ebay without carbon fibre. I bought this one & the fitment is great. You can see that the oem 540i exhaust tips are smaller. Now I'm looking to get the m performance tips which will fill up the gaps in the diffuser nicely. The M550i tips are designed to fill that gap.

They seem to be out of stock now but ask them when they will get some more.

https://rover.ebay.com/rover/0/0/0?m...2F192629463859
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      02-19-2019, 02:45 PM   #9
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Quote:
Originally Posted by Norris83 View Post
Your other option is M performance diffuser but a replica one from ebay without carbon fibre. I bought this one & the fitment is great. You can see that the oem 540i exhaust tips are smaller. Now I'm looking to get the m performance tips which will fill up the gaps in the diffuser nicely. The M550i tips are designed to fill that gap.

They seem to be out of stock now but ask them when they will get some more.

https://rover.ebay.com/rover/0/0/0?m...2F192629463859
This does not fit with standard m550 exhaust nor does it fit with the Dinan. I can vouch for this firsthand.
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      02-19-2019, 03:55 PM   #10
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Mpefromance black diff for 550i
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      02-19-2019, 03:57 PM   #11
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Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again


https://rover.ebay.com/rover/0/0/0?m...2F283117973799

This one will fit. I have m performance exhaust and the with is same as m550
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      02-19-2019, 03:59 PM   #12
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Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again

https://rover.ebay.com/rover/0/0/0?m...2F283117973799

This one is not carbon fiber. I have m performance exhaust which the width is same as m550i
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      02-19-2019, 04:15 PM   #13
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Quote:
Originally Posted by Alexo540i View Post
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again

https://rover.ebay.com/rover/0/0/0?m...2F283117973799

This one is not carbon fiber. I have m performance exhaust which the width is same as m550i
That is not what I he seller says. Did the m performance exhaust fit your original diffuser?
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      02-19-2019, 04:47 PM   #14
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Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again

https://rover.ebay.com/rover/0/0/0?m...2F283117973799

This one is not carbon fiber. I have m performance exhaust which the width is same as m550i
That is not what I he seller says. Did the m performance exhaust fit your original diffuser?
The top portion is oem. The bottom part fits just perfect
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      02-19-2019, 04:49 PM   #15
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Quote:
Originally Posted by Alexo540i View Post
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again
Quote:
Originally Posted by Bimmertrashjr View Post
Quote:
Originally Posted by Alexo540i View Post
Ikon motorsport has some good stuff
Thanks for the the reply. I'm not interested in any carbon fiber as stated in post. Also, I don't believe this will fit my exhaust. Thanks again

https://rover.ebay.com/rover/0/0/0?m...2F283117973799

This one is not carbon fiber. I have m performance exhaust which the width is same as m550i
That is not what I he seller says. Did the m performance exhaust fit your original diffuser?
The top portion is oem. The bottom part fits just perfect
Here you go check it out
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      05-06-2019, 02:45 PM   #16
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Quote:
Originally Posted by Killer540i View Post
Here you go check it out
any update on these?
i have 540i with quad exhaust and would like to fit m performance style diffuser but they all seem to be for 540i with oem exhaust.... i have remus 4x102mmm plus some gap in between fitted with original 550i diffuser?

any help would be appreciated
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      05-24-2020, 03:46 PM   #17
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Quote:
Originally Posted by aadum View Post
any update on these?
i have 540i with quad exhaust and would like to fit m performance style diffuser but they all seem to be for 540i with oem exhaust.... i have remus 4x102mmm plus some gap in between fitted with original 550i diffuser?

any help would be appreciated
Did you figure anything out on this? Would also be interested ) Same situation as you.
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