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carbon fiber front lip fitment issues

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Old 11-20-2017, 04:37 AM
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carbon fiber front lip fitment issues

For those with a carbon fiber front lip referred to as the "black series front lip" did you have fitment issues while installing it? I grabbed an eBay lip (yea probably a mistake) but this b*tch doesn't sit right. Won't hug the bumper right, gaps on both sides, tape not sticking because the lip won't even touch the bumper in certain areas. The seller is telling me that if the bumper is removed it will take some of the flex out of the bumper that is present while on the car and the lip will sit fine. I don't buy it. Thoughts?





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Old 11-20-2017, 08:06 AM
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They all have some degree of fitment issues man. eBay is generally the worst. I always took my bumper cover off to fit lips/splitters, and the seller is right that it makes it easier (bumper has more flex off, you can properly glue and clamp and dry, etc). Taking the bumper cover off is like a 15min job. And don't use tape, use a proper silicone adhesive or self-tapping machine screws.
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Old 11-20-2017, 12:04 PM
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I figure most of these lips come from the same place oversears regardless of who is selling them. Even RW carbon. I have thier side skirts and there was even a fitment issue with those.

A small gap with this lip I could probably live with but this came out like sh*t. I agree bumper removal provides a little wiggle room to fit properly and was certainly needed when I did the rear diffuser. Just seems like this lip will not sit true to the oem lines even with the bumper off

RW carbon skirts driver side. Wont sit flush and caused the tape to pull away from the car. Passnger side sits perfect

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Old 11-20-2017, 12:44 PM
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I don’t know what you were expecting out of inexpensive Chinese-made aftermarket carbon trim pieces man. They all have fitment issues. Those can be made to fit fine with a little work. Some of my pieces were originally worse than what you posted above.

As for the RW side skirts, that little gap is nothing to complain about. They’re not perfect. And you’re using tape, that’s your real problem. Once the OE skirts are removed and the overlay skirts properly clamped with adhesive, they fit like a glove.
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Old 11-20-2017, 12:45 PM
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I've used a black silicone to fill the gaps. It looks great, but it does take a lot of effort to line up the tape lines and make it look "un-apparent". I can post a picture at a later time.
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Old 11-20-2017, 12:55 PM
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Yea I guess. Put the passenger side on first and fit PERFECT everywhere. Then the driver side gave me problems toward the front wheel. Rear section lines up perfect. Seemed fine during the test fit. Dont feel like removing and sanding the inner portion. Gap can hardley be seen when standing over it. Guess Im being too **** IDK

Black silicone huh. On a white car too. Pics would be apprecieted.

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Old 11-20-2017, 01:53 PM
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Originally Posted by bentz69 View Post
Yea I guess. Put the passenger side on first and fit PERFECT everywhere. Then the driver side gave me problems toward the front wheel. Rear section lines up perfect. Seemed fine during the test fit. Dont feel like removing and sanding the inner portion. Gap can hardley be seen when standing over it. Guess Im being too **** IDK

Black silicone huh. On a white car too. Pics would be apprecieted.
They also have transparent/clear silicone. I used that and it worked fine.
For mine, there was a fair bit of clamping / placing weight against the bumper so it would hold its position. Having two people also helps to get everything lined up correctly.
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Old 11-20-2017, 01:58 PM
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I already pulled the lip off and set up a return. Figured this eBay lip was junk fitment even though the cf looks really good and the weave is consistent. Was planning on going with the rw lip figuring it would be better. Now I'm not sure. Guess I'll have to pull the bumper first and try again before returning

Are u using the clear silicone to fill the gaps? It's not really an adhesive. I figure black would be better no?
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Old 11-20-2017, 03:13 PM
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From everything ive seen only the mode carbon and boca ones fit with no gaps at the sides. All the other brands have gaps.
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Old 11-20-2017, 03:32 PM
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Should be installing this lip with self taping screws however from the pics you posted that gap isnt going to close. Admittedly all of these style lips have some gap in that area but pics you posted show a really large gap, looks like it was not trimmed properly. When we install this style lip at our shop we are able to get it where there is only 1-2cm of gap on the sides.
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Old 11-20-2017, 04:22 PM
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Originally Posted by RW Carbon View Post
Should be installing this lip with self taping screws however from the pics you posted that gap isnt going to close. Admittedly all of these style lips have some gap in that area but pics you posted show a really large gap, looks like it was not trimmed properly. When we install this style lip at our shop we are able to get it where there is only 1-2cm of gap on the sides.
Did you mean mm - 1-2 cm is a huge gap!
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Old 11-20-2017, 04:23 PM
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Originally Posted by RW Carbon View Post
Should be installing this lip with self taping screws however from the pics you posted that gap isnt going to close. Admittedly all of these style lips have some gap in that area but pics you posted show a really large gap, looks like it was not trimmed properly. When we install this style lip at our shop we are able to get it where there is only 1-2cm of gap on the sides.
You mean MM not CM, right?

This is what I do with all of my carbon parts (except my spoiler).

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Old 11-20-2017, 04:37 PM
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Sorry yes MM. Heres a pic of the one we did few weeks ago

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Old 11-20-2017, 04:42 PM
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Originally Posted by RW Carbon View Post
Sorry yes MM. Heres a pic of the one we did few weeks ago

See, I would still silicone that because to me, the line doesn't look like it's cut evenly.
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Old 11-20-2017, 04:50 PM
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Originally Posted by AMG3.2 View Post
You mean MM not CM, right?

This is what I do with all of my carbon parts (except my spoiler).

Are you applying the silicone aftet the lip is installed and trying to get it to fill the gap? Can you describe your process? I can see how using the black would make it appear less noticeable

Originally Posted by RW Carbon View Post
Sorry yes MM. Heres a pic of the one we did few weeks ago

Originally Posted by AMG3.2 View Post
See, I would still silicone that because to me, the line doesn't look like it's cut evenly.
my lip has that same "choppy" edge that sits on the oem bumper. That right there tells me these lips are probably all the same
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Old 11-20-2017, 05:03 PM
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Originally Posted by bentz69 View Post
my lip has that same "choppy" edge that sits on the oem bumper. That right there tells me these lips are probably all the same
Not true. I've personally seen 3 different versions of this lip.
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Old 11-20-2017, 05:09 PM
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Originally Posted by RW Carbon View Post
Not true. I've personally seen 3 different versions of this lip.
I'd be willing to return the one I have and grab another one from you guys if there was some kind of fitment inspection before sending it out. I don't expect it to fit perfectly but shouldnt it literally slide right on, and once its pushed as far back as it will go in the space where the oem splitter is, the sides should line up with the oem lines of the bumper? Of course some screws on the bottom will help but my problem with this lip is the top section. Obviously can't put screws there and the tape won't even make contact with the bumper
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Old 11-20-2017, 05:46 PM
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Originally Posted by bentz69 View Post
I'd be willing to return the one I have and grab another one from you guys if there was some kind of fitment inspection before sending it out. I don't expect it to fit perfectly but shouldnt it literally slide right on, and once its pushed as far back as it will go in the space where the oem splitter is, the sides should line up with the oem lines of the bumper? Of course some screws on the bottom will help but my problem with this lip is the top section. Obviously can't put screws there and the tape won't even make contact with the bumper
I can tell you ours will fit alot better than the one you shown. We install with 3m tape in the middle then screws on the bottom and the sides. We use 2-3 screws on the side wings as well to hold them in nicely.
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Old 11-20-2017, 06:22 PM
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CF DYNAMICS in Germany have a 50% off sale on most off there Boca carbon parts if anyone is looking for top quality fitting carbon.
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Old 11-20-2017, 07:04 PM
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Originally Posted by RW Carbon View Post
I can tell you ours will fit alot better than the one you shown. We install with 3m tape in the middle then screws on the bottom and the sides. We use 2-3 screws on the side wings as well to hold them in nicely.
It didnt seem like the bottom section was the problem for me even though the tape never made contact. RW, take a look at these pics. I placed the tape where I thought it would actually make contact. Do you install the tape in the same locations? If so, that tells me this thing is deformed/warped. Or I have absolutely no idea where to put the tape. Do you have guide/template? Or can you guys install the tape before shipping?






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Old 11-20-2017, 07:42 PM
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Originally Posted by bentz69 View Post
It didnt seem like the bottom section was the problem for me even though the tape never made contact. RW, take a look at these pics. I placed the tape where I thought it would actually make contact. Do you install the tape in the same locations? If so, that tells me this thing is deformed/warped. Or I have absolutely no idea where to put the tape. Do you have guide/template? Or can you guys install the tape before shipping?
The only section which we use the tape is the middle where it clips up onto the bumper. No need for the tape on the bottom or sides it will be secured with screws there.
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Old 11-20-2017, 07:47 PM
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Originally Posted by RW Carbon View Post
The only section which we use the tape is the middle where it clips up onto the bumper. No need for the tape on the bottom or sides it will be secured with screws there.
If you notice in my pics I used 2 strips of tape accross the center section and neither of those strips made contact with the car. Is that just bad placement on my part or do u think this lip is just not seating properly?

You dont use tape on the top part of the lip all the way to both ends?
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Old 11-20-2017, 07:50 PM
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Originally Posted by bentz69 View Post
If you notice in my pics I used 2 strips of tape accross the center section and neither of those strips made contact with the car. Is that just bad placement on my part or do u think this lip is just not seating properly?

You dont use tape on the top part of the lip all the way to both ends?
Probably a bad piece then. The top should sit nicely on the center section. Also need to remove the black center lip if you didnt do that yet.

We dont use tape on the sides because the tape isnt strong enough to hold. We apply pressure then use screws to secure.
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Old 11-20-2017, 07:53 PM
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Originally Posted by RW Carbon View Post
Probably a bad piece then. The top should sit nicely on the center section. Also need to remove the black center lip if you didnt do that yet.

We dont use tape on the sides because the tape isnt strong enough to hold. We apply pressure then use screws to secure.
Yea I removed the center black piece but still no good.

It sounds like your saying that you use screws on the top portion of the lip? I understand the bottom but the top also? wuttt?
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Old 11-20-2017, 07:56 PM
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Originally Posted by bentz69 View Post
Yea I removed the center black piece but still no good.

It sounds like your saying that you use screws on the top portion of the lip? I understand the bottom but the top also? wuttt?
ours sits flush on the top and makes even contact with the bumper
top middle - 3m tape
bottom in the middle and bottom on the sides about 10 screws total
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