BMW Z4 anti-roll bars

Anti-roll bars for BMW Z4 sDrive..., type Z89 + ZR??

Ref Before: 33 211AV2, Diameter 27 mm
Ref Rear: 33 480HA, Diameter 21 mm

When mounting the bars, use OEM mounting parts, if not co-packed. Check that these parts are in a state as new; renew them in case they are not. The front bar can also be used without a rear stabilizer. In this case vehicle may have trends in under-steering.?

Anti-roll bars H and R are made of steel alloy (hf) 50CrV4, resistant and flexible. They are delivered with their silentblocks, made with a urethan/teflon composite, which prevents grinding and eliminates the need for lubrication. No waste, no maintenance, a perfect fit.??