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5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
I wanna get the m5 bumper and found couple of them. One is a m5 bumper selling for $450 shipped and it's polypropylene and the other is $420 shipped and it's abs material. What u guys think which one is better?
You sure it isn't "polyurethane"? I have never heard of a bumper made out of polypropylene. Like he stated above, I would lean towards the one that flexes more. I am betting it is a polyurethane bumper. BTW what brand is it? I have been eyeing the kit that Extreme Dimensions sells(made of a material that flexes called "duraflex") I just don't know how good it is.
abs is a harder material which does not flex very much, and when it does it tends to have stress fractures and breaks(although still much much much better then fiberglass).. polyurethane is more pliable, go with it if given the option.
always avoid fiberglass.
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