F32 440i BMW Diffuser Pics?

blueislander · 06-14-2019, 05:06 AM

Hi all, does anybody have any real life experience of the 440i M Performance OEM diffuser?

Available pretty cheap from BMW these days and I figure it's the last thing to do on my black 440i to match the grilles, spoiler and splitter.

has anyone fitted it themselves or taken it to BMW? Idea of costs for labour etc?

Thanks!

N44RTT · 06-14-2019, 05:15 AM

I went with a decent aftermarket one. It's probably the easiest part to fit out of the entire exterior M Performance kit. You'd be crazy paying the dealers to fit it.

Abzynthe · 06-14-2019, 10:16 AM

Quote:

Originally Posted by Nart

I went with a decent aftermarket one. It's probably the easiest part to fit out of the entire exterior M Performance kit. You'd be crazy paying the dealers to fit it.

Agreed. It's so easy to do. Probably 20 minutes if your being careful, 10 if you just pull after taking the screws out lol

gr4z · 06-14-2019, 02:05 PM

I've got a OEM one for my F36. It's been ok and would get another when I replace the car.

Can't find the photos at the moment just search for my postings.

Donny_1962 · 06-14-2019, 03:22 PM

Hi, Definitely go OEM if you can justify the cost, so much easier to get a good fit. The Ebay ones that i have had on other cars were "just about" acceptable. Very easy and quick to do it yourself. OEM one below.

Sheepy · 06-14-2019, 04:30 PM

As everyone has already said, easiest mod you will ever do yourself!

blueislander · 06-15-2019, 01:34 AM

Lol thanks chaps. Will do it myself then.

Can get an OEM one new for £250 delivered which seems good value!

Mr Burt · 06-15-2019, 03:24 AM

I always think they look better in gloss black.
OEM always looks like it will fade over time and a bit, well dull.
I will give EBAY a trawl.

M3anLantern · 06-15-2019, 07:00 PM

Quote:

Originally Posted by blueislander

Lol thanks chaps. Will do it myself then.

Can get an OEM one new for £250 delivered which seems good value!

Quote:

Originally Posted by Mr Burt

I always think they look better in gloss black.
OEM always looks like it will fade over time and a bit, well dull.
I will give EBAY a trawl.

I've had the DM Autoteile one and the OEM...I'll let you guess which is which and if you can't that's a good enough case to save a few quid on the non-OEM as it's all just plastic in the end.

Personally, I found even the fit of the DM Auto one to be perfectly fine with no issues. I couldn't tell one apart from the other!

blueislander · 06-16-2019, 02:00 AM

Thanks all. Got the OEM from ebay for £250 brand new so I'm happy.

Anybody know how to fit it? Any YouTube links?

Eimal · 06-16-2019, 04:11 AM

Quote:

Originally Posted by blueislander

Thanks all. Got the OEM from ebay for £250 brand new so I'm happy.

Anybody know how to fit it? Any YouTube links?

Quote:

Originally Posted by blueislander

Thanks all. Got the OEM from ebay for £250 brand new so I'm happy.

Anybody know how to fit it? Any YouTube links?

it's very easy 2 small bolts on either end and 4 screws in the middle, you'll see if you look under and start to remove the old one... top part just clips into place, no need for a video

SuperHamz · 06-16-2019, 05:14 AM

It's for an F30, but the principle will be the same

johnung · 06-16-2019, 05:29 AM

Quote:

Originally Posted by blueislander

Hi all, does anybody have any real life experience of the 440i M Performance OEM diffuser?

Available pretty cheap from BMW these days and I figure it's the last thing to do on my black 440i to match the grilles, spoiler and splitter.

has anyone fitted it themselves or taken it to BMW? Idea of costs for labour etc?

Thanks!

Check out Kies Motorsports YouTube videos for video of installation of one on a 335i, same concept. Very simple.
Suggestions: 1) if you have chrome exhaust tips, having original diffuser off is perfect time to clean and use a metal polish for a layer of protection before installing new diffuser
2) also a good time for a layer of good plastic protectant on new diffuser.

KTE · 12-06-2019, 02:27 AM

Would be interested to see real examples on quad exit versions if anyone has ventured down that road.

Won’t be changing my exhaust system but would likely get double exit tips per side.

Abzynthe · 12-06-2019, 07:42 AM

Quote:

Originally Posted by s11nny

how have you put orange outlines on the diffuser. i want to do something similar to mine but carbon maybe.

Probably pinstripe tape.

06-14-2019, 05:06 AM	#1
blueislander Lieutenant 240 Rep 540 Posts Drives: F32 440i Join Date: Oct 2018 Location: Scotland iTrader: (0)	F32 440i BMW Diffuser Pics? Hi all, does anybody have any real life experience of the 440i M Performance OEM diffuser? Available pretty cheap from BMW these days and I figure it's the last thing to do on my black 440i to match the grilles, spoiler and splitter. has anyone fitted it themselves or taken it to BMW? Idea of costs for labour etc? Thanks!
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06-14-2019, 05:15 AM	#2
N44RTT Second Lieutenant 78 Rep 229 Posts Drives: G21 M340i Join Date: Oct 2018 Location: UK iTrader: (1)	I went with a decent aftermarket one. It's probably the easiest part to fit out of the entire exterior M Performance kit. You'd be crazy paying the dealers to fit it. __________________ '22 G21 M340i xDrive (MHT) in DG Gone: '18 LCI F32 440i M Sport Plus in EBII '15 LCI F30 330d M Sport Plus in EBII
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06-14-2019, 02:05 PM	#4
gr4z Colonel 1135 Rep 2,808 Posts Drives: i4 e40 Join Date: May 2008 Location: Stamford iTrader: (0)	I've got a OEM one for my F36. It's been ok and would get another when I replace the car. Can't find the photos at the moment just search for my postings. __________________ Current: G26 i4 M Sport Pro, Tech Pk, Sunroof Previous: 2016 440i MPPSK, 2014 330d Saloon F30, 2013 Audi S4 Avant, 2011 Mercedes C350
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06-14-2019, 03:22 PM	#5
Donny_1962 First Lieutenant 476 Rep 352 Posts Drives: G21 M340i Join Date: Apr 2015 Location: East Mids iTrader: (0)	Hi, Definitely go OEM if you can justify the cost, so much easier to get a good fit. The Ebay ones that i have had on other cars were "just about" acceptable. Very easy and quick to do it yourself. OEM one below. Attached Images __________________ 2019 G01 X3 M40d
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06-14-2019, 04:30 PM	#6
Sheepy First Lieutenant 179 Rep 378 Posts Drives: F82 M4 Competition Join Date: Nov 2011 Location: York iTrader: (0)	As everyone has already said, easiest mod you will ever do yourself! Attached Images
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06-15-2019, 01:34 AM	#7
blueislander Lieutenant 240 Rep 540 Posts Drives: F32 440i Join Date: Oct 2018 Location: Scotland iTrader: (0)	Lol thanks chaps. Will do it myself then. Can get an OEM one new for £250 delivered which seems good value!
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06-15-2019, 03:24 AM	#8
Mr Burt Lieutenant 684 Rep 589 Posts Drives: F31 340 Join Date: Mar 2016 Location: Shropshire iTrader: (0)	I always think they look better in gloss black. OEM always looks like it will fade over time and a bit, well dull. I will give EBAY a trawl.
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06-16-2019, 02:00 AM	#10
blueislander Lieutenant 240 Rep 540 Posts Drives: F32 440i Join Date: Oct 2018 Location: Scotland iTrader: (0)	Thanks all. Got the OEM from ebay for £250 brand new so I'm happy. Anybody know how to fit it? Any YouTube links?
	Appreciate 0 Quote

06-16-2019, 05:14 AM	#12
SuperHamz Major 742 Rep 1,475 Posts Drives: F31 328i M Sport Join Date: Jan 2019 Location: Middlesex iTrader: (0)	It's for an F30, but the principle will be the same
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12-06-2019, 02:27 AM	#14
KTE First Lieutenant 79 Rep 351 Posts Drives: A slow car Join Date: Oct 2018 Location: England iTrader: (0)	Would be interested to see real examples on quad exit versions if anyone has ventured down that road. Won’t be changing my exhaust system but would likely get double exit tips per side.
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