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Old 01-30-2007, 09:33 AM   #1
No Go
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2004 153 MPH STI
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Default Bent BBS Wheel?

Just returned from a wheel balance on my 57,000 mile 04 STI...I have a bent BBS wheel!

I witnessed it even on two different balance machines-ruling out mounting surface.

I'm somewhat dumbfounded. I bought the car new and I've never curbed it. Yes, ~500 miles of track days, but even then I stay off the curbing.

Do factory BBS wheels have a reputation for being 'soft'? Seeing as they are OEM and forged, I figure they are rather durable...sure ain't cheap! ~$700 for a new one...

Thanks

Tim
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Old 01-30-2007, 12:43 PM   #2
WRX11
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Some would ask, are they powder coated? If not, this could explain why some people's powder coated BBSs are bending easy because the material is not as strong to begin with.

Do you by any chance have temperature data from your track sessions? There was also a thread about brake temperature conducting to the wheel under heavy track braking conditions, heating up the wheels, making it weaker.
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Old 01-30-2007, 12:52 PM   #3
No Go
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Factory coating...looks to be a powder coating, but probably what you are saying...original finish.
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Old 01-30-2007, 02:47 PM   #4
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If you've had your STI since day one and the coating is silver or gold, then most likely they are the OEM coating, not powder coating.

Is the bent on the circumference or the spoke surface? Is the bent very sharp at one small point of the wheel or is it over a larger circumference of the wheel? How much out-of-round would you say the bent wheel have?

Anyone else drive your car?
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Old 01-31-2007, 04:08 PM   #5
No Go
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The wheels are completely original. They are coated...I was simply saying it could be a powder type of coating. Unsure of what the factories use these days.

My self or my spouse...only person to ever drive it in 57,000 miles.

I guess the point of my post is we have never nailed an object so hard to either blow a tire, damage an alignment, or physically marred the wheel as in a rim dent. Saying that, we have a bent wheel from something we have done. I'm quite surprised even knowing I don't granny the car around-dry pavement powerslides, 150 mph autobahn cruises, and white knuckled excursions on the track are why I bought it.

Thanks.

Tim
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Old 01-31-2007, 04:33 PM   #6
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^ My only guess with your feedback is that maybe you had a bad wheel coming from manufacturing even though I think BBS Japan's QA would not easily let something that weak pass. Of course I don't expect them to perform 100% QA sampling.

I don't believe the wheel should be that weak to cause the wheel to bent with the type of driving you and your wife did. I am puzzled.
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Old 01-31-2007, 06:09 PM   #7
austinpike
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Quote:
Originally Posted by No Go View Post
My self or my spouse...
*cough*
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