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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications 550i Diffuser
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      05-14-2020, 03:46 AM   #1
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550i Diffuser

Where is everyone buying their diffuser for F10 550i? I want to go from the flat/square look to the quad look but want a quality diffuser. Also, will I just need to add a different diffuser and tips to get the look or something else?
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      05-14-2020, 08:36 AM   #2
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Ebay buddy!
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      05-14-2020, 10:30 AM   #3
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A lot of people slap the M5 diffuser on. You'll probably need quad tips, but those are also pretty cheap if you're not touching the muffler at all.
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      05-14-2020, 11:13 AM   #4
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Cool, I'll check out Ebay for sure. So the M5 diffuser will fit my 550i x-Drive M Sport? Also, my car is black so I could go to carbon fiber or black. Actually, the stock diffuser is gray. I was hoping we had a vendor on here others have used or there was a popular brand for the tips and diffuser.
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      05-14-2020, 12:42 PM   #5
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Quote:
Originally Posted by 3-Bag View Post
Cool, I'll check out Ebay for sure. So the M5 diffuser will fit my 550i x-Drive M Sport? Also, my car is black so I could go to carbon fiber or black. Actually, the stock diffuser is gray. I was hoping we had a vendor on here others have used or there was a popular brand for the tips and diffuser.
Yep, check out this video:



I went with a matte black diffuser on my jet black 535, and I think it contrasts really well and matches the understated look I like to go for. Carbon fiber is definitely more bling-y if you're going for that look.
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      05-14-2020, 03:16 PM   #6
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Wow, that video makes it look pretty easy. Now to find tips and a diffuser.
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      05-14-2020, 03:55 PM   #7
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I represent the blingy like Unspec mentioned lol


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      05-14-2020, 04:07 PM   #8
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That looks great! What brand diffuser and tips are those? There are so many on eBay and my Google search but I've heard there are cheap ones that are garbage and want to get a quality one.
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      05-15-2020, 01:32 PM   #9
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Does anyone know if just changing the current square tips to four round tips will work/fit with the stock 550i diffuser?

I found a site, RW Carbon, and the diffuser they sell shows the square tip for the 550i. I used their chat feature to ask if the quad tips would work with that diffuser since they picture the standard square tip, and they said the quad-tip would work if the tips were the same dimensions. This answer didn't help much because I'm not sure if they are the same dimensions.
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      05-21-2020, 05:52 AM   #10
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Which diffuser and under pieces?

Quote:
Originally Posted by lsturbointeg View Post
I represent the blingy like Unspec mentioned lol


I've be looking for this setup for a while now
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