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FITMENT
Compatible with BMW diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include BMW Euro 5 / Euro 6 diesel engines using reference 851166401 / 5WK96697 (5WK9 6697).

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

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on vehicle configuration.

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

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

ASHENG

NOx Nitrogen Sensor for BMW 851166401 / 5WK96697 Diesel Exhaust SCR System Unit

$211.00

FITMENT
Compatible with BMW diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include BMW Euro 5 / Euro 6 diesel engines using reference 851166401 / 5WK96697 (5WK9 6697).

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

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on vehicle configuration.

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

Q4: Is it compatible with all BMW vehicles?
A4: No, compatibility depends on engine model, emissions standard, and SCR system setup.
$211.00
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    Description

FITMENT
Compatible with BMW diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include BMW Euro 5 / Euro 6 diesel engines using reference 851166401 / 5WK96697 (5WK9 6697).

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

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on vehicle configuration.

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

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

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