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Valve Stem Caps for 214 Style Wheels ? Valve Stem Caps for 214 Style Wheels ?
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Old 04-09-2011, 02:17 PM
ard ard is offline
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factoid:

The E39 M5 came with special short, stubby valve stems- where the stem is located on the wheel is such that at high speed, the centrifugal force would cause a longer stem to flex, ultimately leading the abrupt stem failure.

NOBODY uses the right ones (except me I guess) ...special ordered at my local dealer and had to work hard to convince the parts guy they were different. When they came in (ordered 12) he was "well I'll be..."

So anything that increases the mass on the end of the stem is a bad idea for ANY car.
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