Significantly increase lifespan and eliminate annoying squeaking
2X Entries Into Our F80 M3 Sweepstakes
Significantly increase lifespan and eliminate annoying squeaking
2X Entries Into Our F80 M3 Sweepstakes
Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Upgrade kit to add lower stress bars, brackets and hardware to ECS Stage 1 Upper Stress Bar Kit
10X Entries Into Our F80 M3 Sweepstakes
For use with ECS Tuning Stage 1 Upper Stress Bar only
This product was last offered at the strikethrough price on
06-13-2026
Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems
This product was last offered at the strikethrough price on
09-18-2026
Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Decrease rear chassis flex and keep your rear end planted!
Improve ground clearance and chassis stiffness!
Replacement hardware kit for your ECS Street Shield Tunnel Brace
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Recommended for racing or large rear anti-roll / sway bars.
This product was last offered at the strikethrough price on
09-22-2026