Ultra Racing BMW Z4 (E89) Rear Lower Brace URKR-RL5-2540 ANDROID AUTO Internal 6mm allen stud drive

Internal 6mm allen stud drive for accurate fixations

OEM Part Number: 5QD505553 / 5QD 505 553

Computational Fluid Dynamic (CFD) optimized

Some racing series have banned the steel rings because they increase the likelihood of contact during close racing

as well as using your factory O-ring for perfect fit and seal for precision fitment within the compressor housing

Ultra Racing BMW Z4 (E89) Rear Lower Brace URKR-RL5-2540 ANDROID AUTO Internal 6mm allen stud driveMounting points 5 Uses original nuts bolts for mounting unless supplied Technical info: BEFORE : On uneven bumpy road, center section chassis will have different level of body flex cause by the weight transfer between front and rear. AFTER : Ultra Racings side lower bar will stabilize the weight transfer between front and rear, it can also minimize the damage from side impact.