I've heard good things just remember they aren't stainless steel so you'll need some sort of lubricant or something like that to protect them from snow and salt in the winter.
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E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion
JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning
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