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      08-27-2021, 06:56 AM   #1
hart07
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M5 style rear diffuser

I just bought an aftermarket m5 style rear diffuser on ebay for my bmw g30.

Where I can find a towing eye cover for the rear diffuser.
I mean what the exact color when the diffuser come in glossy black.
It's sapphire black or jet black?
Cause I find only towing eye cover in sapphire black (475 color code) on ebay
Other questions did you use a special tool (like trim panel tools) to release clips from the genuine diffuser cause don't want to break clips.
Regards
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      08-28-2021, 02:18 PM   #2
I3LaZeN
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Quote:
Originally Posted by hart07 View Post
I just bought an aftermarket m5 style rear diffuser on ebay for my bmw g30.

Where I can find a towing eye cover for the rear diffuser.
I mean what the exact color when the diffuser come in glossy black.
It's sapphire black or jet black?
Cause I find only towing eye cover in sapphire black (475 color code) on ebay
Other questions did you use a special tool (like trim panel tools) to release clips from the genuine diffuser cause don't want to break clips.
Regards
It didnt come with the cover? Usually they come with the cover, atleast mine did.
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      08-28-2021, 03:22 PM   #3
hart07
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No it didn't come with the towing cover
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      08-28-2021, 03:40 PM   #4
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Quote:
Originally Posted by hart07 View Post
No it didn't come with the towing cover
Assume you contacted the seller? Strange they don't include it. I am on my second as I didn't like the first but they both came with the tow hook cover. You can wrap it if need be. Assume the diffuser is gloss black so just get a 12" x 12" gloss black vinyl. Should work. I wrapped my rear reflectors in 3m gloss black. Matches perfectly.
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      08-28-2021, 08:49 PM   #5
hart07
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I contacted the Selle it doesn't come with the diffuser.
I will buy a towing cover in sapphire black.
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      09-26-2021, 06:41 PM   #6
hart07
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sorry it comes with the towing eye cover but had problem to fix the upper right corner the slots tabs didn't fix very well and the right corner is sliding out .
i have felling that the slots tabs are not the same like the genuine it can't fix on the small hole on the bumper.
i dont know how to do.
this a picture :



Last edited by hart07; 09-26-2021 at 06:53 PM..
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      09-26-2021, 10:51 PM   #7
hart07
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Thks for your help
My car is a bmw g30 520d Msport
The m5 style rear diffuser has to fit the bumper of my car but don't understand why those 2 slots tab in the upper right corner don't fix to my bumper they slide out.
I need to fill the hole with a small plastic part to give a better fixation but when I drive with the road it moves.
And on the right side it's the same you see slight space.
If I push with my hand this part it automatically back to me it slides out.
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      09-27-2021, 07:30 AM   #8
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Quote:
Originally Posted by hart07 View Post
Thks for your help
My car is a bmw g30 520d Msport
The m5 style rear diffuser has to fit the bumper of my car but don't understand why those 2 slots tab in the upper right corner don't fix to my bumper they slide out.
I need to fill the hole with a small plastic part to give a better fixation but when I drive with the road it moves.
And on the right side it's the same you see slight space.
If I push with my hand this part it automatically back to me it slides out.
Hey OP,
I recently got a m5 style diffuser too. Same problem. I took it out and re installed it this time from right to left. Make sure you put the screw next the exhaust tip right from the get go. This way there is less pressure on that pin.
Check the pins on the diffuser one at the time, in my experience some bent down and hence the fitment came loose. I bent them up and then put it back together.
Hope this helps.
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      09-27-2021, 08:00 AM   #9
hart07
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Thks I will try it
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      09-28-2021, 06:39 PM   #10
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there's room to slide the diffuser left and right just a little. this happens when it's aligned to one side further than the other. just loosen all the screws, pop out the side that's popping out and tug the whole diffuser towards the side.
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      09-28-2021, 09:20 PM   #11
hart07
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OK Thks I will try this technic.
I loose all the screws (3 under middle and 2 one each sides)
Then I slide out the side where the slot tabs are sliding out ( the right side) and I don't move the left slot tabs?
I try only to move the diffuser to the left side?
Hope I well understood
However, the upper fixing tab on the right side is in front of the hole (on the bumper but it doesn't fix) , on the other hand, it is true that you have to force the right lateral and upper side which does not fit well because there is a space we see in the photo.
Regards
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      10-03-2021, 02:06 AM   #12
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Quote:
Originally Posted by hart07 View Post
OK Thks I will try this technic.
I loose all the screws (3 under middle and 2 one each sides)
Then I slide out the side where the slot tabs are sliding out ( the right side) and I don't move the left slot tabs?
I try only to move the diffuser to the left side?
Hope I well understood
However, the upper fixing tab on the right side is in front of the hole (on the bumper but it doesn't fix) , on the other hand, it is true that you have to force the right lateral and upper side which does not fit well because there is a space we see in the photo.
Regards
This is the issue with certain cheap aftermarket parts. The fitment is poor and you may need to find ways to make them fit, if they can be fitted. Good luck with your piece but you'll need to think of ways to force fit based on your specific fitment.
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      10-03-2021, 01:19 PM   #13
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Quote:
Originally Posted by sandwi54 View Post
This is the issue with certain cheap aftermarket parts. The figment is poor and you may need to find ways to make them fit, if they can be fitted. Good luck with your piece but you'll need to think of ways to force fit based on your specific figment.
Where can I buy legit parts for 2021 lci 5 series? I cant find the m performance one
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      10-06-2021, 02:39 AM   #14
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Try RW Carbon for a rear diffuser
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      10-07-2021, 11:11 PM   #15
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https://www.ebay.com/itm/202617624105

how does this diffuser look? Anyone bought from this seller?
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      10-08-2021, 11:52 AM   #16
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Quote:
Originally Posted by cclcal View Post
https://www.ebay.com/itm/202617624105

how does this diffuser look? Anyone bought from this seller?
Purchased and didn't fit M550i or M-Performance tips
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      10-08-2021, 01:00 PM   #17
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Quote:
Originally Posted by ssadri View Post
Purchased and didn't fit M550i or M-Performance tips
M5 style diffusers do not fit the OEM BMW tips, alterations have to be made.
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      10-08-2021, 03:15 PM   #18
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Quote:
Originally Posted by maDjzo View Post
Quote:
Originally Posted by ssadri View Post
Purchased and didn't fit M550i or M-Performance tips
M5 style diffusers do not fit the OEM BMW tips, alterations have to be made.
https://www.ebay.com/itm/Glossy-Blac...-127632-2357-0

This is the only seller on eBay who was selling M5 style diffusers specifically for M550i / M-Performance tips (without modification) but out of stock. Listing provides details that the exhaust opening is 10" and in the trapezoid shape
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      10-08-2021, 06:50 PM   #19
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ah, thank you guys for the first hand experience!
I will follow that ebayer.
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      12-09-2021, 05:22 PM   #20
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Quote:
Originally Posted by ssadri View Post
Purchased and didn't fit M550i or M-Performance tips
Still have it? I'll take if you do since I'm in Irvine too. Might fit my 540.
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      12-16-2021, 12:08 PM   #21
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Quote:
Originally Posted by ssadri View Post
https://www.ebay.com/itm/Glossy-Blac...-127632-2357-0

This is the only seller on eBay who was selling M5 style diffusers specifically for M550i / M-Performance tips (without modification) but out of stock. Listing provides details that the exhaust opening is 10" and in the trapezoid shape
I went with this one and it fits perfectly and the paint quality is very good. I'll be changing the tips as soon as my Dinan full exhaust comes in. It will look like the second pic (not my car, but Dinan exhaust on the same diffuser. I like this diffuser because the fins are more subtle and they point down vs. out on the M5.
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      12-17-2021, 11:13 PM   #22
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Finally got the one that fits MP Exhaust tips
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