Metering Unit Diesel Emissions Fluid Injector For BMW E90 335d & X5 E70 – Replaces 0444021013, 18307807206

Direct replacement for the original DEF injector on your BMW E90 335d or X5 E70.

This metering unit (part numbers 0444021013 and 18307807206) is an OE-quality component designed to handle diesel emissions fluid with precision.

It comes with a 2-year warranty and is a universal fit for the listed models.

Brand new in the box, it includes all necessary seals and connections.

If your check engine light is on or you're having DEF system issues, this injector might be the fix.

Easy install—just swap it out and get back on the road.