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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > E90 Rear diffuser for Non Mtech/ M3 Bumpers



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      07-17-2011, 07:52 PM   #199
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how did the guy with the LCI rear do his? vinyl wrap or plasti-dip? I am planning on doing mine but im too lazy to do all the prep work haha
I'm doing mine with gloss black vinyl...I just got a roll of 150ft in lol. I've been wrapping my car and my dad's XJ.
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      07-18-2011, 03:21 AM   #200
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Finally making some progress

Hi All

I went passed the moulders on Friday and it seems that we're finally making progress. They've taken a mould of the bumper itself and will being modifying. The good thing about this one is that we won't need to modify then recast like we had to with the M-Tech / M-Sport version because this piece will literally just fit over the existing bumper. The pic below has the mould in front and you can see the bumper in the background. They should have a part fabricated within the next few days for us to start testing.

Again - apologies that it is taking so long, but we'll get there...
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      07-26-2011, 02:50 PM   #201
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This thread = Biggest c**k tease ever!
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      07-26-2011, 02:55 PM   #202
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Nope. My friend did this with plasti dip. It looks horrible.

It goes up too high. A diffuser looking add on will only look good on the LCI rear bumpers, they don't go up as high.

This is what I'm planning on doing.

that looks sick
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      07-26-2011, 06:55 PM   #203
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^^ Yea it looks good if you can look past the wavy line at the top
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      07-29-2011, 03:24 PM   #204
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any updates? :-)
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      07-30-2011, 12:49 AM   #205
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they already have rep e92 mtech rears...soon e90

i heard prices are not bad so this must come out quick
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      07-30-2011, 09:40 PM   #206
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Def interested in this if the price is right.
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      08-01-2011, 02:06 AM   #207
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any updates? :-)
Visiting the moulders tomorrow morning again for another update. They should supposedly have a priliminary part ready, so I'm holding thumbs!
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      08-03-2011, 01:05 AM   #208
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Diffuser Update

Hey Guys

Finally got something more substantial... I was around yesterday morning and they've created a first pass at a part for the stock bumper. It hasn't been trimmed, polished and clear-coated yet but at least it's something. The final part should be ready by Friday.

Here's the part overlayed on the bumper before cutting etc.



And here's the line that I was thinking of doing the trimming on. It basically follows the contour of the bumper exactly. Let me know your thoughts as we can always change it...


Where to from here:
1. Create mould for quad cut-out (supposedly shouldn't take that long)
2. Modify and create new mould for same part with fins
3. Do the same for quad cut-out with fins
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      08-03-2011, 01:19 AM   #209
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Will this fit on lci models? Want something that's aggressive! Fins will be nice
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      08-03-2011, 01:39 AM   #210
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no love for 335i dual cutout?
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      08-03-2011, 01:42 AM   #211
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Will this fit on lci models? Want something that's aggressive! Fins will be nice
Unfortunately it won't fit the LCI because the bumper profile is different. I'm going to start work on an LCI version though as soon as these 4 are complete. If you're patient enough, watch this space
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      08-03-2011, 01:43 AM   #212
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no love for 335i dual cutout?
335 Will follow as well. Just have to work 1 at a time at the moment unfortunately...
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      08-03-2011, 01:47 AM   #213
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I would think it would look better if the trim line came down more abruptly from top to bottom shortly after the exhaust cutout instead of wrapping around the corner of the bumper - same on other side obviously

IMO it should look as much like an actual insert in an MTech bumper as possible.

And yes, some detail in the middle such as fins would break up the big 'washboard' effect...

Great to see progress
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      08-03-2011, 01:48 AM   #214
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Originally Posted by irq5 View Post
335 Will follow as well. Just have to work 1 at a time at the moment unfortunately...
ive been patiently waiting since this thread started. please don't let us down

glad something is finally in the process, which is a good start.
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      08-03-2011, 01:49 AM   #215
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Quote:
Originally Posted by 1QuikWS6 View Post
I would think it would look better if the trim line came down more abruptly from top to bottom shortly after the exhaust cutout instead of wrapping around the corner of the bumper - same on other side obviously

IMO it should look as much like an actual insert in an MTech bumper as possible.
+1
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      08-03-2011, 01:57 AM   #216
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Quote:
Originally Posted by 1QuikWS6 View Post
I would think it would look better if the trim line came down more abruptly from top to bottom shortly after the exhaust cutout instead of wrapping around the corner of the bumper - same on other side obviously

IMO it should look as much like an actual insert in an MTech bumper as possible.

And yes, some detail in the middle such as fins would break up the big 'washboard' effect...

Great to see progress
In that case when I'm there on Friday I'll see how it looks and take some photos as it is wrapping around the bumper. Then have them cut it in a more aggressive profile wrapping closer to the exhaust opening. Will take pics of both and submit here for a vote.

I'd like to release something that people want, so I'll leave it up to you guys to decide on the final design.

As for the fins, I'm going to make both options available as there has been pretty much an equal interest in both.
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      08-03-2011, 02:52 AM   #217
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Originally Posted by irq5 View Post
Unfortunately it won't fit the LCI because the bumper profile is different. I'm going to start work on an LCI version though as soon as these 4 are complete. If you're patient enough, watch this space
will it be another 6 months for the lci guys ? if it's aggressive enough, it will worth the wait,
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      08-03-2011, 03:03 AM   #218
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will it be another 6 months for the lci guys ? if it's aggressive enough, it will worth the wait,
Unfortuantely for the LCI one it will take a bit of time. Hopefully not 6 months, but I can't promise anything at the moment. Keep tracking this one though to see the final design - the LCI design should be quite similar, so it'll give you an idea of how it'll look.

Thanks for the interest though!
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      08-04-2011, 06:37 PM   #219
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I'm interested in pre-lci single exhaust when you are ready to sell. Please pm me when it's possible to buy.

Will save me from having to buy m-tech.
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      08-04-2011, 09:10 PM   #220
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IRQ5- I like that you are following the line of the bumper. It looks great already. Just waiting for the dual quad non 335
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