Fitting a ALPINA, BMW that needs a new Control Trailing Arm FIRST LINE OE Ref 6861157? This one is built by FIRST LINE to OEM reference 31106861157, so it slots in as a straight swap for the original part — no modifications, no guesswork.
It's listed under FIRST LINE part number FCA7828, EAN: 5038068547231, which you can cross-check against your old part before ordering to be sure it's the right fit.
Double-check fitment against OEM reference 31106861157, or run your registration through our vehicle lookup tool — some ALPINA, BMW models share a platform across several years, so it's worth confirming rather than assuming.
Not quite the right one? The full Suspension range has other options worth a look.