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What makes 108s deteriorate so badly?

Alloy wheels and tyre discussion
Jamie2.5
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Location: Wakefield, West Yorkshire

What makes 108s deteriorate so badly?

Post by Jamie2.5 » Sun Mar 21, 2021 6:54 pm

dhobbs wrote: Sun Mar 21, 2021 7:58 am
Jamie2.5 wrote: Sun Mar 21, 2021 12:10 am Just bought my E85 and they had never had the wheels refurbed they were a right mess as pictured I’m really happy with the new look and wheel just make sure to apply wheel sealant etc to see if it keeps them looking good
That's a great colour combo on those 108s :thumbsup:

Thanks buddy 😊
E85 2.5 2003 SE & G16 840i 2021 MSport Pro

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Magicarcher
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What makes 108s deteriorate so badly?

Post by Magicarcher » Thu May 06, 2021 4:45 pm

MKZ4000 wrote: Tue Mar 02, 2021 7:39 pm I think the general consensus is the bolts crack the paint when torqued up. They need to be removed for splitting prior to a refurb

As such water gets in this area and corrodes away.

You could try some sealant to prevent it before putting the bolts back in
It certainly sound plausible and I imaging moisture wicks down the cracks where the spokes meet the rim. To try and reduce this happening on rebuild I did tywo things: liberally coated mating surfaces with Bilt Hamber Dynax UB which is an anticorrosion wax which sets quite firm. Found some 0.1mm thick stainless 7mm shim washers and put these under the heads of the bolts, the theory being that the bolt head wont be twisting on the surface of the "paint" and hence is hopefully less likely to crack it. I guess only time will tell!
Z4 3.0L 2005. Titan Silver. Audio Upgrade Second Stereo Pioneer X8700DAB, Sony Xplode 4 x 70W Amp, 6.5" Reckhorn Subs in rear cubby, Focal AS165-3 in fronts.

sticky
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What makes 108s deteriorate so badly?

Post by sticky » Thu May 06, 2021 5:01 pm

Split Rims ,,,,, separate parts,,,,, bolts, more holes, ,,,, moisture will always find a way in,,,,, like everything else just a question of time. Unless you you weld the whole lot as a solid and do a 2 tone paint job,,,,,,,

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