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CPS Lip Failure - Fabricated Reinforcement
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05-31-2013, 10:47 PM | #1 |
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CPS Lip Failure - Fabricated Reinforcement
Cliffs- installed CPS lip. looks great, but tore-off at ~120mph. The OEM bolts are not strong enough to hold up to the downforce at speed (especially when braking).
I bought a second one and crafted a sheet metal support covering nearly the entire bottom of the lip. I had several revisions, and ended up with the below. I have four large gauge bolts holding the lip in place as any screws I used would get pulled-out eventually. This setup is rock solid. I've since plastidipped the lip, covering any rust/scrapes. HTH |
05-31-2013, 10:48 PM | #2 |
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More damage. You can see where the bolt were torn away from the fiberglass underside of the lip. If the lip was all CF (beyond just the front, visible side), I wonder if it would be much stronger.
Last edited by The Ghost; 05-31-2013 at 10:56 PM.. |
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06-02-2013, 12:33 PM | #8 |
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I guess its better if used with 10 screws instead of 8.
my problem was that the bolts didnt come off but the 3M tape didnt adhere strong enough to my bumper. The downforce of the wind pulled the lip down to detach from the tape. How much tape did you use?
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F80 M3
F32 435i - Daily BMW e92 328i - SOLD /// ST V1 Coilovers /// BMW Performance Exhaust /// OSS Full Blackout /// LCI Tail Lights /// Volk Racing TE37 /// CPS Lip /// |
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06-02-2013, 12:46 PM | #9 | |
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Quote:
I'm glad I didn't buy the $800 Akrym (sp) one or I'd have shed a year when it broke. |
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06-02-2013, 12:49 PM | #10 | |
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Quote:
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F80 M3
F32 435i - Daily BMW e92 328i - SOLD /// ST V1 Coilovers /// BMW Performance Exhaust /// OSS Full Blackout /// LCI Tail Lights /// Volk Racing TE37 /// CPS Lip /// |
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06-05-2013, 12:34 PM | #12 |
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I did...bought the Arkym and shed a tear! The worst part, I did not do the damage. I did get some compensation so I don't feel as bad anymore.
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06-05-2013, 03:51 PM | #13 |
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06-05-2013, 04:13 PM | #14 |
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nah...it was just a crack and the fibers were torn. here's the link;
post #40 http://www.e90post.com/forums/showth...=848108&page=2 the pic of the crack is understated. The bottom took the brunt of the impact
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08-24-2013, 09:31 AM | #15 |
she likes the flavor......
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I need to do this....i cant get the front part of the lip to stay on the bumper
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E92 Montego Blue silfa718 ..::STETT CAI|ADVAN RS|WAGNER FMIC|MS DP|VANGUARD|PROCEDE|FORGE DV|BMS OCC|KWV2|MICHELIN PSS|OOS::.. |
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03-14-2017, 10:36 AM | #17 |
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I caught my friends CF lip flying off on video. Skip to about 1 minute in.
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My build thread.
It's a wagon with stuff on it. |
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