01-21-2018, 06:29 AM | #1 |
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Front clunky noise BC Coilovers
Hello,
Have you ever experienced a clunky noise with your BC RACING coilovers? I have a 2014 bmw 4 series and I hear a clunck noise at the front part of the car over bumpy roads. Thanks for your comments! |
01-21-2018, 01:21 PM | #3 |
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I am very familiar with Bilstein and KW coilovers. Neither produced a clunking noise. What does BC Racing say about this noise?
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01-21-2018, 09:18 PM | #5 |
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01-23-2018, 06:46 PM | #7 |
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Use your tool to soften the blows of bumps & potholes. This tool should have came with your coilovers and can be adjusted at the top of each. Just can't remember which way is soft or hard but it will tell you.
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04-06-2018, 02:51 PM | #8 |
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Finally the problem is solved 👏🏼👏🏼👏🏼.
I have replaced the bc racing camber plates by a k-sport street camber plates. Both brands have interchangeable parts. The k-sport camber plates has a rubber insert (similar to the oem top mounts) that eliminates all the front clunky noise. See those pictures I hope it helps |
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05-19-2018, 06:59 PM | #9 | |
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Drives: 2014 435iX, FBO
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How much were they please? I would want to fit them to my K/W street comfort C/Os
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05-20-2018, 08:03 AM | #10 |
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05-21-2018, 09:21 AM | #11 |
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Drives: 2014 435iX, FBO
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I do not get clunking at all, not even the slightest with the KW SCs.
That said, I think the clunking comes from the spherical bearing on top of the shock that the camber plates use. From the limited knowledge I have... it is related to that. I have all but ruled out the camber plate option now due to the unacceptable noise they create. I haven't read any threads that provide camber plates without the noise for coilovers.
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Previous: 2014 BMW F32 435iX - JB4, MHD Flash, BMS Meth Kit, ER Intercooler, intake, catless DPs, KW Streets, 437M Reps with 245/35 and 275/30 Michelin PSS 4S |
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04-09-2020, 04:41 AM | #14 |
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There are threads in the various sub-forums which have extensive discussions regarding camber plates.
For camber plates which utilise a rigid mounted monoball the main problem is NVH transfer, rather that the creation of NVH by the camber plates themselves. The exception here is, of course, if the monoball itself becomes worn. Top mounts (OEM and some aftermarket options) which utilise rubber/elastomer/poly to encase the damper piston rod attachment point are just isolating the NVH. It's still there, but it's not transferred (as much) to the chassis. One of the downsides, depending on the material and the design of the camber plate, is the isolation material can rob the damper of some of the immediacy of its response.
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