NTK Lambda Sensor / O2 Sensor NGK 0466 OZA527-E27
Upgrade your engine management with the genuine NTK lambda sensor, also known as an oxygen sensor or O2 sensor. This NTK unit corresponds to NGK part number 0466 and NTK reference OZA527-E27. It is a precise, reliable replacement for BMW applications listed below, restoring accurate air fuel ratio control, improving drivability and helping reduce emissions.
If your car is showing a check engine light, poor fuel economy, rough idle or failed emissions, a tired O2 sensor is a common cause. NTK by NGK is the world’s largest OE supplier of oxygen sensors, trusted for long service life and consistent signal quality. We use NTK sensors on our own builds and our customers rate them highly for reliability and performance.
Why choose this NTK oxygen sensor
- OE quality NTK lambda sensor for dependable, accurate fuel control
- Four circuit design for a stable and responsive lambda signal
- Listed lead length 1490 mm for the applications shown
- Helps restore fuel economy, throttle response and smooth idle
- Supports cleaner exhaust and improved chances of passing MOT emissions
- Ideal replacement when fault codes point to O2 sensor performance or heater circuit issues
General details
| Number of circuits | 4 |
| Length | 1490 mm |
Part numbers
- NGK 0466
- NTK OZA527-E27
Compatibility
Please use our product recommender to double check fitment for your vehicle. You can also email sales@nforcd.com for fast assistance.
- 5 Series
- 5 Touring (E34)
- M5 3.8 (250 kW / 340 hp) (09/1994 - 01/1997)
- 5 Saloon (E34)
- 530i 3.0 (138 kW / 188 hp) (01/1988 - 08/1991)
- 535i 3.5 (155 kW / 211 hp) (01/1988 - 09/1995)
- M5 3.6 (232 kW / 315 hp) (10/1988 - 05/1992)
- M5 3.8 (250 kW / 340 hp) (03/1992 - 09/1995)
- 6 Series
- 6 Coupe (E24)
- 635CSi 3.4 (136 kW / 185 hp) (12/1977 - 04/1989)
- 635CSi 3.4 (141 kW / 192 hp) (12/1977 - 04/1989)
- 635CSi 3.4 (155 kW / 211 hp) (08/1987 - 04/1989)
- 7 Series
- 7 (E32)
- 730i / iL 3.0 (138 kW / 188 hp) (12/1986 - 09/1994)
- 730i / iL 3.0 (145 kW / 197 hp) (12/1986 - 09/1994)
- 735i / iL 3.5 (155 kW / 211 hp) (09/1986 - 09/1992)
- 735i / iL 3.5 (162 kW / 220 hp) (09/1986 - 12/1987)
Compatibility check before dispatch
We verify fitment before shipping. Provide your UK registration or the last 7 digits of your VIN at checkout and our team will confirm this NTK O2 sensor matches your exact vehicle and sensor position. Some cars have multiple lambda sensors. Check whether your car requires pre cat or post cat and confirm connector type and lead length.
Professional fitting
Need installation We can fit this NTK lambda sensor at Nforcd in Warwickshire. Request a fitting quote by emailing sales@nforcd.com.
Search terms customers use
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