Nox Sensor For BMW 1 Series, 3 Series 11787587130 1Er E81 E82 E87 E88 3Er E90 E91 E92 Lci N43 New

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

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.

1. Standard Shipping (Free) - Please allow 1-3 days for your order to be delivered 
2. DPD Next Day (£4.99) - Please place orders between Monday - Thursday before 4 PM UK time. This service applies to UK Mainland orders only.
3. Royal Mail Special Special Saturday Delivery (£19) - Please place orders between Monday - Friday before 3 PM UK time. 
4. International - Rates vary based on product size. Please enquire for further details. 

We do not provide any guarantees on shipping times, as we are reliant on 3rd parties. However, we strive to ensure that our customers are always satisfied.

All products are protected by a upto 10 year worry-free warranty depending on Part 

Warranty Coverage: Eligibility: To be eligible for 10-year warranty coverage, the car part must be fitted by a certified professional mechanic. Proof of fitment, including the mechanic's certification, must be submitted to Amesplan LTD within 30 days of the part's purchase date. Please send supporting documentation to us via email.In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form. 

Warranty Non-Coverage: We do not have any liability for any defect arising from normal wear & tear, wilful damage, negligence, tampering of the goods, incorrect fitting of the goods by you and/or a third party. We are also not liable for any abnormal working conditions, alteration or repair of the goods or a failure to follow goods manufacturers' instructions (whether oral or in writing) 

We have a 180-day return policy, which means you have 180 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You will also need the receipt or proof of purchase. 

For All Return buyers pay Return Postage.Returns will only be processed after we receive the approved part and a member of our team fully inspects the returned item & successfully matches the returned part to the return reason. 

For All UK orders, we offer free return. We do not offer any reimbursement of shipping costs for Any orders on original sale like Next Day Postage. 

For All Outside UK order  We do not offer any reimbursement of shipping costs for Any orders on either the original sale or the return. 

Please direct all questions to sales@d2pautoparts.com. 

Damages and issues 
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exchanges 

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds 
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.