The Eibach Pro-Spacer kit for 2014–2018 BMW 228i is a 10mm pair of wheel spacers that increases track width to improve clearance or stance while preserving wheel bolt pattern. Supplied as a matched pair, the spacers are intended to be installed between hub and wheel; confirm hub-centric fit and use the correct extended lug or bolt length when fitting to maintain safe wheel mounting.
Eibach 14-18 BMW 228i Pro-Spacer Kit (10mm Pair)