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About this part
What it does. Dinan Ball Joint Dinan 9397-D280-0030 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 2021–2025 BMW M3, 2021–2025 BMW M4, 2023–2025 BMW M2. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.