About this part
What it does. Lemforder Control Arm Lemforder 638-42644 01 controls wheel movement and keeps the tyre in contact with the road.
Symptoms that point to this part
- Bouncy or floaty ride
- Clunking over bumps
- Uneven tyre wear
- Nose-diving under braking
Service note. Suspension components are replaced in pairs per axle wherever possible.
Fitment. Catalogued as fitting 2026 BMW 840i Xdrive Gran Coupe, 2025 BMW M850i Xdrive Gran Coupe. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.