NTK by NGK O2 Oxygen Lambda Sensor NGK 1973 (OTA7N-5B1) | Fits BMW 3 Series E36 320i 2.0 1990–1999 | OE Quality Pre/Post Cat Lambda Probe

NTK by NGK O2 Oxygen Lambda Sensor NGK 1973 (OTA7N-5B1) | Fits BMW 3 Series E36 320i 2.0 1990–1999 | OE Quality Pre/Post Cat Lambda Probe

£81.66
£81.66
£126.29
Sold out
Tax included. Shipping calculated at checkout.

Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

NTK Lambda Sensor / O2 Sensor (NGK 1973) - OTA7N-5B1

Upgrade or replace your oxygen sensor with the NTK Lambda Sensor / O2 Sensor, NGK part number 1973 (reference OTA7N-5B1). NTK by NGK is a trusted name for precision engine sensors, helping restore correct air-fuel ratios, reduce emissions, improve MPG and bring back smooth idle and crisp throttle response. Ideal for anyone searching for a high quality lambda sensor, oxygen sensor, O2 sensor, NTK lambda, or NGK 1973 for BMW applications.

At Nforcd we use and supply this NTK O2 sensor regularly, and customer feedback has been consistently positive for reliability, fitment and performance once installed and coded where required. If your car is showing a check engine light, poor fuel economy, failed emissions or rough running, replacing a tired lambda sensor is a proven fix.

Why choose this NTK Lambda / O2 Sensor

  • OE-grade accuracy for correct fuel trims and efficient combustion
  • Helps reduce emissions and supports MOT pass when the sensor is the fault
  • Restores drivability, smooth idle and throttle response
  • Trusted NTK by NGK quality for long service life

Compatibility

Please use our product recommender to double-check fitment. If you need assistance, email sales@nforcd.com.

  • 3 Series
    • 320i
      • E36 2.0 (110 kW / 150 hp) 1990-1998
      • E36 2.0 (110 kW / 150 hp) 1992-1999
      • E36 2.0 (110 kW / 150 hp) 1993-1999

Note: Position can vary by vehicle. Check whether your car requires a pre-cat or post-cat sensor before ordering.

Compatibility Check

We run a compatibility check prior to dispatch to ensure the part suits your vehicle. Provide your UK registration or the last 7 digits of your VIN at checkout.

Fitting and Support

Prefer professional installation? Nforcd offers fitting at our Warwickshire location. Request a quote at sales@nforcd.com.

Part Numbers

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

Search terms people use for this item

NTK lambda sensor, NGK 1973, NGK oxygen sensor, NTK O2 sensor, BMW lambda sensor, BMW E36 320i O2 sensor, BMW 3 Series oxygen sensor, BMW 320i lambda probe, oxygen sensor replacement BMW, fuel trim sensor, emissions sensor, pre cat O2 sensor, post cat O2 sensor, OEM quality lambda sensor, direct replacement oxygen sensor.