FIRST LINE manufactures this Control Trailing Arm FIRST LINE OE Ref 3112 1124 954 to original equipment tolerances, which is why it's specified as a direct replacement for OEM 31121124954 rather than a rough equivalent.
You'll find it referenced as FCA5559, EAN: 5038068119728 — worth noting down if you're getting a second opinion from a mechanic before fitting.
It's built for selected ALPINA, BMW vehicles. The safest way to confirm is matching OEM reference 31121124954 against your existing part, or using our vehicle lookup tool with your registration.
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