NGK
NTK OZA572-E8 Lambda/Oxygen O2 Sensor NGK 0209 – 4‑Wire Heated AFR/Exhaust Gas Probe, 540mm Lead, Direct‑Fit OE‑Spec Plug & Play – BMW E30 E36 E34 E32 E31 (3/5/7/8 Series) – Porsche 911 964 Carrera – Upstream/Downstream Pre‑Cat/Post‑Cat
NTK OZA572-E8 Lambda/Oxygen O2 Sensor NGK 0209 – 4‑Wire Heated AFR/Exhaust Gas Probe, 540mm Lead, Direct‑Fit OE‑Spec Plug & Play – BMW E30 E36 E34 E32 E31 (3/5/7/8 Series) – Porsche 911 964 Carrera – Upstream/Downstream Pre‑Cat/Post‑Cat
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.
Couldn't load pickup availability
Heated Exhaust Gas Sensor - Plug-in Replacement - Part No. NGK 0209 - Ref OZA572-E8
Restore crisp throttle response, smooth idle and clean emissions with this 4-wire heated exhaust oxygen probe. This OE-spec replacement arrives with the correct connector and a 540 mm lead for a straightforward, plug-in install on popular BMW and Porsche applications. Built by the sensor division of NGK, it delivers factory-level accuracy for reliable fuel trim control and long-term durability.
We fit these sensors on customer cars in-house and the feedback is consistently excellent for fit, function and longevity. If your engine is running rich or lean, showing lambda-related fault codes, suffering poor MPG or a hesitant throttle, replacing a tired sensor is one of the most effective fixes.
Reasons to choose this replacement sensor
- Ready to install with the correct plug and grommet - no splicing universal wiring
- Heated 4-wire design for quick warm-up and stable closed-loop operation
- OE-level build quality from NGK’s sensor specialists for dependable performance
- Helps resolve mixture control issues, reduces emissions and can improve fuel economy
- Perfect for classic BMW petrol models and Porsche 964 Carrera where accuracy and reliability matter
Key details
- Brand: NTK by NGK
- Part number: NGK 0209
- Manufacturer reference: OZA572-E8
- Wiring: 4 conductors with integral heater
- Lead length: 540 mm
- Fitment: Direct replacement with factory-style connector
Compatibility
Position and quantity of sensors may vary by model and year. If unsure, compare the connector and harness length, or email us for guidance.
- 3 Series
- 3 Saloon (E30)
- 325e 2.7 (90 kW / 122 hp) 10/1983 - 12/1988
- 325i 2.5 (126 kW / 171 hp) 09/1983 - 11/1989
- 325i X 2.5 (126 kW / 171 hp) 03/1986 - 12/1987
- 3 Compact (E36)
- 316i 1.6 (75 kW / 102 hp) 03/1994 - 08/2000
- 318Ti 1.8 (103 kW / 140 hp) 11/1994 - 08/1995
- 3 Saloon (E36)
- 316i 1.6 (75 kW / 102 hp) 07/1993 - 02/1998
- 318i 1.8 (83 kW / 113 hp) 12/1990 - 10/1993
- 318i 1.8 (85 kW / 115 hp) 10/1993 - 02/1998
- 318is 1.8 (103 kW / 140 hp) 03/1993 - 02/1998
- 320i 2.0 (110 kW / 150 hp) 09/1990 - 02/1998
- 325i 2.5 (141 kW / 192 hp) 09/1990 - 09/1995
- M3 3.0 (210 kW / 286 hp) 08/1994 - 09/1995
- 3 Coupe (E36)
- 316i 1.6 (75 kW / 102 hp) 09/1993 - 04/1999
- 318is 1.8 (103 kW / 140 hp) 03/1992 - 10/1995
- 320i 2.0 (110 kW / 150 hp) 03/1992 - 04/1999
- 325i 2.5 (141 kW / 192 hp) 03/1992 - 04/1999
- M3 3.0 (210 kW / 286 hp) 10/1992 - 01/1995
- M3 3.0 (217 kW / 295 hp) 01/1995 - 10/1995
- 3 Convertible (E36)
- 318i 1.8 (85 kW / 115 hp) 01/1994 - 04/1999
- 325i 2.5 (141 kW / 192 hp) 03/1993 - 03/1995
- M3 3.0 (210 kW / 286 hp) 01/1994 - 10/1995
- 3 Touring (E36)
- 318i 1.8 (85 kW / 116 hp) 07/1995 - 10/1999
- 5 Series
- 5 Touring (E34)
- 530i 3.0 V8 (160 kW / 218 hp) 09/1992 - 01/1997
- 540i 4.0 (210 kW / 286 hp) 09/1993 - 01/1997
- 5 Saloon (E34)
- 540i 4.0 V8 (210 kW / 286 hp) 09/1992 - 09/1995
- 7 Series
- 7 (E32)
- 740i / iL 4.0 V8 (210 kW / 286 hp) 04/1992 - 09/1994
- 8 Series
- 8 (E31)
- 840Ci 4.4 (210 kW / 286 hp) 01/1996 - 12/1999
- 840i 4.0 (210 kW / 286 hp) 02/1993 - 02/1996
- 911 (964)
- 911 Coupe (964)
- 3.6 Carrera (184 kW / 250 hp) 07/1989 - 09/1993
- 3.6 Carrera 4 (184 kW / 250 hp) 12/1988 - 09/1993
- 911 Convertible (964)
- 3.6 Carrera (184 kW / 250 hp) 07/1989 - 05/1994
- 3.6 Carrera 4 (184 kW / 250 hp) 05/1989 - 05/1994
Check before dispatch
We can verify fitment prior to shipping. Add your UK registration or the last 7 of your VIN at checkout, or email us for help at info@mjmodifications.co.uk.
Professional fitting
Prefer expert installation The MJ Modifications workshop in Warwickshire can take care of it. Request a fitting quote at info@mjmodifications.co.uk.
Search terms to help you find the right part
exhaust oxygen probe, lambda sender, heated 4 wire O2, upstream O2 sensor, downstream O2 sensor, pre-cat oxygen sensor, post-cat oxygen sensor, BMW emissions sensor, BMW 325i exhaust sensor, BMW 540i oxygen probe, BMW 740i lambda sender, BMW 840Ci exhaust gas sensor, E30 O2 replacement, E36 lambda replacement, E34 oxygen probe, E32 lambda, E31 O2, Porsche 964 exhaust sensor, Porsche 911 964 lambda sender, NGK 0209 sensor, OZA572-E8 sensor, direct replacement oxygen sensor, plug and play O2 sensor, fix rich running, improve fuel economy, reduce CO emissions, cure rough idle, resolve lambda fault code, 540 mm harness O2.
Share
