FOR BMW 5 SERIES E61 523 525 530 550 M 2004-15 5 WIRE FRONT OXYGEN SENSOR LAMBDA
5 WIRE PRE-CAT FRONT WIDEBAND OXYGEN O2 SENSOR LAMBDA PROBE. FRONT OXYGEN LAMBDA SENSOR. BMW 3 Series E90 325 xi [2005-2011] Saloon 2497 218 160. BMW 5 Series E61 525 xi [2004-2015] Estate 2497 218 160.