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      07-31-2015, 10:32 PM   #1
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4 series M-perf rear diffuser - paint or not paint the center portion?

So I'm installing the M-performance rear diffuser on my 4 series, and can't decide if I should leave the center portion matte black, or paint it gloss black.....I'll be painting the outside of it to match the color of the car but can't decide on the center. Anyone have any pics of this on their car painted???
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      07-31-2015, 10:51 PM   #2
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Since it's a two step process, leave it matte black first then paint if you don't like it
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      07-31-2015, 10:54 PM   #3
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Quote:
Originally Posted by ronanz View Post
Since it's a two step process, leave it matte black first then paint if you don't like it
hmm...not a bad idea
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      07-31-2015, 10:58 PM   #4
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on a glacier silver car you could go either way.

ideally i think cars look best when consistent and things flow front to back, top to bottom. so thinking along those lines, the M-sport shadowline trim around the windows is already gloss black. therefore I'd go gloss black in the center of the diffuser. I'd keep everything on the car either glacier silver or gloss black, IMHO. OEM+ look.

get rid of any chrome too (grill & badges)
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      07-31-2015, 11:02 PM   #5
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Originally Posted by ryanSTL View Post
on a glacier silver car you could go either way.

ideally i think cars look best when consistent and things flow front to back, top to bottom. so thinking along those lines, the M-sport shadowline trim around the windows is already gloss black. therefore I'd go gloss black in the center of the diffuser. I'd keep everything on the car either glacier silver or gloss black, IMHO. OEM+ look.

get rid of any chrome too (grill & badges)
Yeah, that's sort of my train of thought as well. I already have the gloss black grill for the front, and plan on painting the side sills gloss black as well. I'll have a carbon fiber front lip which is going to be glossy as well
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      08-01-2015, 12:12 AM   #6
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Obviously my car is not silver but I just fitted one and left it matte black:

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      08-01-2015, 07:13 AM   #7
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I think matte Black, Lower trim can get away with matte black in my opinion.
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      08-03-2015, 07:26 AM   #8
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Which diffuser is this, that you are able to fit dual tips on either side? Or was it cut?

I would like to know.
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      08-07-2015, 10:00 PM   #9
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Quote:
Originally Posted by ponster View Post
Which diffuser is this, that you are able to fit dual tips on either side? Or was it cut?

I would like to know.
You talking to me?

It's a copy of the F30 M Performance one but with outlets for quad tips. The OEM F32 one is only available in carbon - which I didn't want.

I got it from an Aussie distributor. I don't know where you'd get it in the US.
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      08-07-2015, 10:19 PM   #10
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Quote:
Originally Posted by Harlequin View Post
You talking to me?

It's a copy of the F30 M Performance one but with outlets for quad tips. The OEM F32 one is only available in carbon - which I didn't want.

I got it from an Aussie distributor. I don't know where you'd get it in the US.

The OEM one isn't just in carbon....I have an OEM one in plastic

https://www.getbmwparts.com/partloca...catalogid=4462
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      08-08-2015, 12:04 AM   #11
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Quote:
Originally Posted by ///WORK-F36 View Post
The OEM one isn't just in carbon....I have an OEM one in plastic

https://www.getbmwparts.com/partloca...catalogid=4462
Hmm... OK. First time I've seen that...
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      08-08-2015, 12:10 AM   #12
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Just did a google search and it's showing up all over the place now!

I swear that a month or so back when I was looking the only OEM ones I saw were carbon...

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      08-08-2015, 12:13 AM   #13
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Quote:
Originally Posted by Harlequin View Post
Just did a google search and it's showing up all over the place now!

I swear that a month or so back when I was looking the only OEM ones I saw were carbon...

hmm, really? I ordered mine about a month and a half ago....weird
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      08-08-2015, 07:39 AM   #14
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Quote:
Originally Posted by Harlequin View Post
You talking to me?

It's a copy of the F30 M Performance one but with outlets for quad tips. The OEM F32 one is only available in carbon - which I didn't want.

I got it from an Aussie distributor. I don't know where you'd get it in the US.


Quote:
Originally Posted by ///WORK-F36 View Post
The OEM one isn't just in carbon....I have an OEM one in plastic

https://www.getbmwparts.com/partloca...catalogid=4462



There are no OEM F3x quad tip diffuser solutions available

.
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      08-08-2015, 08:22 AM   #15
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Quote:
Originally Posted by ronanz View Post
There are no OEM F3x quad tip diffuser solutions available.

I NEVER SAID IT WAS AN OEM ONE OR THAT THE OEM ONE HAS QUAD OUTLETS. I AM AWARE THAT THE OEM ONE DOES NOT HAVE QUAD OUTLETS.

I'M ALSO AWARE THAT BMW ONLY FIT QUAD TIPS TO ///M CARS FROM FACTORY. WERE YOU?

I SAID IS WAS A COPY. DID YOU SEE THE WORD "BUT" IN THERE??? I USED THAT WORD TO INDICATE THAT IT VARIED FROM THE OEM ONE IN ONE SIGNIFICANT WAY - SPECIFICALLY THE QUAD OUTLETS.

DICTIONARY DEFINITION OF THE WORD:

Quote:
Conjunction - Used to introduce a phrase or clause contrasting with what has already been mentioned.
... Damn I hate it when people make me yell online... It only ever happens when they don't actually read/comprehend what they are replying to...
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      08-08-2015, 09:05 AM   #16
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Pls. calm down dudes, no car is worth it to shout on each other!
@ Harlequin: What kinda quad tip exhaust do you mounted under your F32 car? Looks like Eisenmann. Im searching for some and consider Supersprint into first row, but not sure at this time.
The diffusor could also be ordered by Bastuck, they offer a quad tip exhaust with a matching unpainted one.
I would prefer to wrap the center area with carbon foil, thats cheap and quick done - and could be removed very quick when not liking it longer times
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      08-08-2015, 09:20 AM   #17
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Quote:
Originally Posted by Dang3r View Post
Pls. calm down dudes, no car is worth it to shout on each other!
@ Harlequin: What kinda quad tip exhaust do you mounted under your F32 car? Looks like Eisenmann. Im searching for some and consider Supersprint into first row, but not sure at this time.
The diffusor could also be ordered by Bastuck, they offer a quad tip exhaust with a matching unpainted one.
I would prefer to wrap the center area with carbon foil, thats cheap and quick done - and could be removed very quick when not liking it longer times
Heh... I quit smoking this week.. I haven't killed anyone yet but I guess my temper's a bit short...

My Exhaust is custom with no muffler...

3" 304 Stainless all the way. Proper Quad - no fake tips or 1" connecting pipes for the off-side. And converted to bolt-on.



I didn't feel like any of the OTS options gave me what I was looking for...

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      08-08-2015, 09:51 AM   #18
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Sounds' beyond the lead
If I consider breaking with my whole neighbourhood I stick to the handwelded custom exhaust - but something tells me that the police is coming quickly too.
So I have to search on for a street legal exhaust from cat to the rear, unfortunately into Germany your are not allowed to share your passion too loud with the environment
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Some say, that my scrotum has its own small gravity field and when Im slowing down that brake lights come on at my buttox
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      08-08-2015, 10:09 AM   #19
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Quote:
Originally Posted by Dang3r View Post
Sounds' beyond the lead
If I consider breaking with my whole neighbourhood I stick to the handwelded custom exhaust - but something tells me that the police is coming quickly too.
So I have to search on for a street legal exhaust from cat to the rear, unfortunately into Germany your are not allowed to share your passion too loud with the environment
I think mine is technically too loud for Australia too...
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      08-09-2015, 03:51 AM   #20
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I have white f32 with painted gloss black center of the diffuser, will post you some pics later
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      12-30-2019, 04:03 PM   #21
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Quote:
Originally Posted by Harlequin View Post
Obviously my car is not silver but I just fitted one and left it matte black:

What is your exhaust setup on your car?
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      01-02-2020, 03:22 AM   #22
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Seems the same like mine
When it is, its Bastuck quad exhaust and diffusor.
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