HD (Heavy Duty) mounting stud upgrade (service)
This upgrade will replace standard -W mounting studs with bigger diameter HD (Heavy Duty) mounting studs on following kits: BMW E30 / E36 / E46 - Roll-center / bump steer correction -kit BMW E30 / E36 / E46 - RACE front control arms with roll-center / bump steer correction -kit BMW E30 / E36 / E46 - Bump steer adjustable tie rod -kit (20±5mm variations only) This item is an upgrade service for the selected kit NOT A PHYSICAL PRODUCT! If you need the mounting studs or hardware separately please see our Spare parts collection. Control arm end D=14mm / 14x1.5mm -> D=16mm / 16x1.5mm top end thread. Tie rod end D=12mm / M12x1.5mm -> D=14mm / 14x1.5mm top end thread. This upgrade is as default on E46 M3 kits (sold after 1/2025) on control arm side. This upgrade is as default on E46 non-M and E46 M3 kits (sold after 10/2026) on tie rod side. E30 and E36 spindles require drilling out the taper on both control arm and tie rod side. E46 non-M spindles require drilling out the taper on the control arm side.
Specifications
- HD mounting stud upgrade:
- Control arm and tie rod end, Control arm end only, Tie rod end only
Variants (3)
- Control arm and tie rod end — 0.00 EUR — In stock
- Control arm end only — 0.00 EUR — In stock
- Tie rod end only — 0.00 EUR — In stock
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