PRODUCT TITLE
Nox Nitrogen Sensor for Bayerische Motoren Werke AG 5WK96650B 759040204 Diesel Exhaust SCR System Unit

FITMENT
Compatible with Bayerische Motoren Werke AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include BMW diesel engines using reference 5WK96650B / 759040204 in Euro 5 / Euro 6 emissions systems.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in exhaust gases and sends real-time data to the ECU to regulate AdBlue/DEF injection and maintain emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically upstream or downstream of the SCR catalyst depending on engine configuration.

Q3: What are symptoms of failure?
A3: Engine warning light, SCR system fault codes, increased emissions, and reduced engine performance or limp mode.

Q4: Is it compatible with all BMW models?
A4: No, compatibility depends on engine type, emissions standard, and SCR system setup.