NOx Sensor Compatible with BMW 1 Series (E81/E82/E87/E88) and 3 Series (E90/E91/E92), N43 Engines

Description

Check part compatibility by using our vehicle filter options below. If you find your car, this part is compatible.

Restore proper emissions control and engine efficiency with this high-quality NOx (nitrogen oxide) sensor designed for BMW 1 Series and 3 Series petrol models with N43 engines. Engineered as a direct replacement for OEM 11787587130 (5WK96621K) and related references, this sensor monitors exhaust NOx levels and allows the ECU to optimise combustion and fuel injection. Manufactured to OEM-equivalent standards, it’s ideal for professional workshops and experienced DIY mechanics.
OEM Number: 11787587130, 5WK9, 6621K, 11787576907, 11787571263, 11787587127, 11787582326, 11787580517, 7580517
Number of Connectors : 5 Pin Connector
Voltage : 12 V
Number of Mounting Bores : 2 Connector
Shape : Oval
Thread Size : M20x1,5
Quantity : 1

Make	Model	Variant	Type	Engine	Chassis	Year
BMW	1 Series	Petrol Convertible	118i	1995cc 105KW 143HP N43 B20 A	RWD — E88	2008-2013
BMW	1 Series	Petrol Convertible	120i	1995cc 120KW 163HP N43 B20 A	RWD — E88	2008-2013
BMW	1 Series	Petrol Convertible	120i	1995cc 125KW 170HP N43 B20 A	RWD — E88	2007-2013
BMW	1 Series	Petrol Coupe	120i	1995cc 125KW 170HP N43 B20 A	RWD — E82	2007-2013
BMW	1 Series	Petrol Hatch	116i	1599cc 90KW 122HP N43 B16 AA	RWD — E81	2007-2011
BMW	1 Series	Petrol Hatch	116i	1599cc 90KW 122HP N43 B16 AA	RWD — E87	2007-2011
BMW	1 Series	Petrol Hatch	116i	1995cc 90KW 122HP N43 B20 A	RWD — E81	2008-2011
BMW	1 Series	Petrol Hatch	116i	1995cc 90KW 122HP N43 B20 A	RWD — E87	2009-2011
BMW	1 Series	Petrol Hatch	118i	1995cc 105KW 143HP N43 B20 A	RWD — E87	2006-2011
BMW	1 Series	Petrol Hatch	118i	1995cc 105KW 143HP N43 B20 A	RWD — E81	2006-2011
BMW	1 Series	Petrol Hatch	118i	1995cc 125KW 170HP N43 B20 A	RWD — E87	2007-2007
BMW	1 Series	Petrol Hatch	120i	1995cc 120KW 163HP N43 B20 A	RWD — E87	2007-2011
BMW	1 Series	Petrol Hatch	120i	1995cc 120KW 163HP N43 B20 A	RWD — E81	2007-2011
BMW	1 Series	Petrol Hatch	120i	1995cc 125KW 170HP N43 B20 A	RWD — E81	2007-2012
BMW	1 Series	Petrol Hatch	120i	1995cc 125KW 170HP N43 B20 A	RWD — E87	2007-2011
BMW	3 Series	Petrol Convertible	318i	1995cc 105KW 143HP N43 B20 A	RWD — E93	2010-2013
BMW	3 Series	Petrol Convertible	320i	1995cc 120KW 163HP N43 B20 A	RWD — E93	2006-2013
BMW	3 Series	Petrol Convertible	320i	1995cc 125KW 170HP N43 B20 A	RWD — E93	2007-2013
BMW	3 Series	Petrol Coupe	316i	1599cc 90KW 122HP N43 B16 AA	RWD — E92	2007-2013
BMW	3 Series	Petrol Coupe	318i	1995cc 105KW 143HP N43 B20 A	RWD — E92	2010-2013
BMW	3 Series	Petrol Coupe	320i	1995cc 120KW 163HP N43 B20 A	RWD — E92	2007-2013
BMW	3 Series	Petrol Coupe	320i	1995cc 125KW 170HP N43 B20 A	RWD — E92	2007-2013
BMW	3 Series	Petrol Estate	316i	1599cc 90KW 122HP N43 B16 AA	RWD — E91	2008-2012
BMW	3 Series	Petrol Estate	318i	1995cc 105KW 143HP N43 B20 A	RWD — E91	2007-2012
BMW	3 Series	Petrol Estate	320i	1995cc 120KW 163HP N43 B20 A	RWD — E91	2007-2012
BMW	3 Series	Petrol Estate	320i	1995cc 125KW 170HP N43 B20 A	RWD — E91	2007-2012
BMW	3 Series	Petrol Saloon	316i	1599cc 90KW 122HP N43 B16 A;N43 B16 AA	RWD — E90	2007-2011
BMW	3 Series	Petrol Saloon	318i	1995cc 105KW 143HP N43 B20 A	RWD — E90	2007-2011
BMW	3 Series	Petrol Saloon	320i	1995cc 120KW 163HP N43 B20 A	RWD — E90	2007-2011
BMW	3 Series	Petrol Saloon	320i	1995cc 125KW 170HP N43 B20 A	RWD — E90	2007-2011
Make	Model	Variant	Type	Engine	Chassis	Year

Our SKU: TB11787587127_313
All our Nox Sensor 11787587130 For Bmw 1er E81 E82 E87 E88 3er E90 E91 E92 Lci N43 New are OEM quality and reliable after market car parts. This Nox Sensor 11787587130 For Bmw 1er E81 E82 E87 E88 3er E90 E91 E92 Lci N43 New is specifically compatible with BMW: 1 Series, 3 Series, .
Please use our make-model-year tool to check this part’s compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.
If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

Key Benefits

✔ Direct OEM replacement — compatible with 11787587130, 11787576907, 11787571263, 11787582326 and related numbers
✔ Designed for BMW N43 petrol engines — precise emissions monitoring
✔ Restores engine performance and fuel efficiency
✔ Helps eliminate engine warning lights and NOx fault codes
✔ Supports lean-burn combustion system operation
✔ Durable high-temperature sensor construction
✔ 5-pin connector with control module for correct fitment
✔ Suitable for garages and DIY mechanics
✔ Fast UK dispatch from D2P AutoParts

Frequently Asked Questions

Q1. What does a NOx sensor do?

A NOx sensor measures nitrogen oxide levels in the exhaust gases and sends data to the engine ECU, allowing the system to adjust combustion and emissions control for optimal efficiency.

Q2. Which vehicles is this compatible with?

This sensor commonly fits BMW petrol vehicles with N43 engines, including:

• BMW 1 Series (E81, E82, E87, E88)

• BMW 3 Series (E90, E91, E92, E93)

Typically covering 116i, 118i, 120i, 316i, 318i, 320i models depending on production year. Always confirm compatibility using your OEM number before ordering.

Q3. What are the symptoms of a failing NOx sensor?

Common signs include:

• Engine management warning light

• Increased fuel consumption

• Loss of power or limp mode

• Rough running or poor acceleration

• Emissions-related fault codes

Q4. Is this OEM or aftermarket?

This is a high-quality aftermarket replacement engineered to match OEM fit and performance specifications.

Q5. Will installation require programming?

Yes — many BMW vehicles require fault code clearing or ECU adaptation after installing a new NOx sensor.

Q6. Can I install this myself?

Installation is possible for experienced DIY mechanics, but professional installation is recommended due to exhaust system access and diagnostic calibration requirements.

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