Quote:
Originally Posted by Igor_M5
BMW CF roofs have always been (up until the M2CS) plain weave 1x1, all the M "performance" bits have always been 2x2 twill weave, something that bothered me so much ever since the E9x gens when owners fitted non matching CF mirror caps, even tho it was a BMW option.
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You're correct. Thanks for pointing this out.
See for example
here for an explanation of the different weave patterns ("Carbon Fiber - All Patterns Explained").
The difference between for example an F82 M4 CFRP roof and an F87 M2 CS CFRP roof is the
size of the weave pattern.
To stand corrected, I updated the
first post of this thread accordingly.
