Take control of your day with the versatility and performance of Oxygen O2 Sensor for BMW X3 X5 Z4 128i 325i 328i 330i 335i 528i Downstream Sensor 2 Lambda 234-4892 234-4877 Car Accessories. Smart, efficient, and built to last — an essential in any collection. Browse and buy online at Keser.pl — trusted products at great prices.