IronBox BMW E46 EVO III Steering Angle Adapters — Adjustable Ackermann
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The IronBox BMW E46 EVO III Steering Angle Adapters are designed for drivers who require increased steering angle together with adjustable Ackermann geometry ⠀ The adjustable design allows the front steering response to be configured from a less aggressive setting to a more aggressive drift-oriented geometry according to the vehicle setup and driver preference ⠀ The adapters install onto standard BMW E46 front steering knuckles without requiring modification of the knuckles themselves ⠀ When combined with correctly modified front control arms and extended steering tie rods, the adapters can provide approximately 50° of steering angle ⠀ These adapters are not a complete bolt-on lock kit and require professional modification of the surrounding front suspension components ⠀ Main features ⠀
Adjustable Ackermann geometry — allows the steering characteristics to be configured for the vehicle setup and driving style
Approximately 50° steering angle — provides increased steering lock when used with the required supporting modifications
Standard E46 knuckle installation — mounts onto BMW E46 front steering knuckles without machining or welding the knuckles
Modified-control-arm configuration — designed to work with professionally widened and modified front control arms
Left- and right-side adapters — supplied as a complete pair for the front axle
Steel construction — designed for the loads generated during drift training and competition use
Blacknitride finish — provides corrosion resistance without adding a thick coating to the precision mounting surfaces
Competition-oriented design — used on prepared BMW E46 drift cars during training and competition
⠀ Compatibility ⠀
BMW 3 Series E46
⠀ Designed for models using standard BMW E46 front steering knuckles ⠀ Requires professionally modified and extended front control arms ⠀ The exact required control-arm type and ball-joint configuration must be confirmed before ordering ⠀ Requires longer steering tie rods or suitable tie-rod extension components ⠀ BMW E46 Compact compatibility depends on the installed steering-knuckle and front suspension configuration ⠀ Compatibility with BMW E46 M3 steering knuckles and non-standard front suspension conversions must be confirmed before ordering ⠀ The EVO III designation identifies this IronBox product version and does not indicate BMW M3 Evolution-specific compatibility ⠀ Required modifications and parts — not included ⠀ The front control arms must be widened by relocating the outer ball joint approximately 50–60 mm outward ⠀ The outer ball joint must also be relocated approximately 25 mm forward ⠀ The control arms require professional cutting, fabrication and welding ⠀ The steering tie rods must be lengthened using suitable extensions or longer steering components ⠀ The exact control-arm type must be confirmed for the selected E46 EVO III configuration before installation ⠀ Modified control arms, tie-rod extensions, tie-rod ends and other suspension components are not included ⠀ Compatible IronBox modified control arms and steering extension components may be purchased separately ⠀ Kit includes ⠀
Left-side adjustable steering angle adapter — 1 pc
Right-side adjustable steering angle adapter — 1 pc
Installation hardware
⠀ Important installation information ⠀ The stated steering angle of approximately 50° depends on the complete suspension configuration, steering rack, control-arm geometry, tie-rod length, wheel offset, tyre size and available component clearance ⠀ The selected Ackermann configuration directly changes the relationship between the inner and outer front-wheel steering angles ⠀ Toe alignment must be checked and adjusted after every Ackermann configuration change ⠀ Control-arm modification and welding must be carried out by a qualified motorsport fabrication specialist ⠀ Check the ball-joint and tie-rod mounting points for complete seating without movement or interference ⠀ Check steering, brake-line, wheel, tyre, control-arm and chassis clearance throughout the complete steering range and suspension travel ⠀ A professional wheel alignment and full inspection of the modified steering geometry are required after installation ⠀ The completed vehicle must be tested progressively after installation or adjustment