NTK 1973 (OTA7N-5B1) O2 Oxygen Lambda Sensor for BMW 3 Series E36 320i 2.0 Petrol 1990-1999 | Upstream/Downstream Pre/Post Cat | Front/Rear Bank 1 Sensor 1/2 | NTK by NGK OE Quality Direct-Fit Exhaust Gas AFR Probe

NTK 1973 Lambda Probe - Reference OTA7N-5B1

Restore crisp drivability and clean emissions with this NTK 1973 lambda probe, reference OTA7N-5B1. This direct-fit exhaust gas sensor is built to original equipment standards to keep fuelling feedback precise, helping your engine run smoothly, start cleanly and use fuel efficiently. Ideal as a like-for-like replacement when your existing oxygen monitor has aged or triggered a warning light.

We use this sensor in-house at MJ Modifications and it has been a consistently reliable choice for our customers. Fitment is straightforward with the correct connector and lead length for the listed applications, delivering stable closed-loop control once installed.

Key benefits

• Factory-spec feedback for accurate air-fuel control under all driving conditions
• Helps reduce emissions, improve economy and smooth out idle quality
• Quality NTK build for durability and dependable performance
• Direct-fit replacement with vehicle-specific connector

Suitable applications

BMW 3 Series E36 320i 2.0 petrol, model years approximately 1990 to 1999. Positions can differ by vehicle, so check whether you require the unit before the catalytic converter or after the catalytic converter.

Also described as: upstream sensor, downstream sensor, front sensor, rear sensor, Bank 1 Sensor 1, Bank 1 Sensor 2.

Compatibility check

We can confirm suitability before dispatch. Add your UK registration or the last 7 of your VIN at checkout so we can verify the correct location and fitment for your car.

Professional fitting

Prefer expert installation? MJ Modifications offers fitting at our Warwickshire workshop. Request a quote via info@mjmodifications.co.uk.

Part numbers

• NTK / NGK: 1973
• Reference: OTA7N-5B1

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