Walker Products 350-33032 oxygen sensor for the 1987-1988 BMW M6 6-cylinder 3.5L and other vehicles measures the oxygen in the exhaust gas to report combustion efficiency. Each Walker Products oxygen sensor is made for its specific application and fitment position, and it sends the diagnostic feedback the ECU needs.
- Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
- Electrodes made of a gas-permeable platinum layer
- Oxygen readings help fine-tune the air-fuel mixture for fuel economy
- Monitors exhaust gases to help reduce pollutants
- Narrow-band, 3-wire sensor for the upstream position
Quick facts
- Part: Walker Products 350-33032 oxygen sensor
- Fits: 1987-1988 BMW M6 6-cylinder 3.5L and other vehicles
- Position: Upstream
- Condition: New
A failing sensor can show up as rough running, higher fuel use or a lit malfunction indicator light. A damaged wiring harness or connector can be behind these signs too, so find the cause before buying a sensor. With the engine cool, look over the sensor, harness and connector for physical damage.
Fits
This narrow-band oxygen sensor suits the upstream position on the 1987-1988 BMW M6 6-cylinder 3.5L, the 1988 BMW M5 6-cylinder 3.5L, the 1987 BMW 535i 6-cylinder 3.5L and other models. One sensor goes in the upstream position, and this listing is a single sensor. If your BMW is not named here, look up your year and engine under the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Upstream
- Quantity per vehicle: 1
- Wires: 3
- Thread: M18 - 1.5
Build and materials
- Type: Narrow-band
- Electrodes: gas-permeable platinum layer
- Coating: protects the electrode surfaces
- Condition: New
Frequently Asked Questions
Is Walker Products 350-33032 an oxygen sensor for the 1987 BMW 535i 6-cylinder 3.5L?
Yes. Walker Products 350-33032 is an upstream narrow-band oxygen sensor, and the 1987 BMW 535i 6-cylinder 3.5L takes one in that position.
Is this oxygen sensor narrow-band or wideband?
It is narrow-band. Walker Products 350-33032 is a 3-wire narrow-band oxygen sensor for the upstream position.
What thread size does this upstream oxygen sensor have?
The thread size is M18 - 1.5. The sensor is sold singly, one per listing.
What is the coating on this oxygen sensor's electrodes for?
The coating keeps combustion residue and particulates in the exhaust gases from contaminating or eroding the electrode surfaces. The electrodes are made of a gas-permeable platinum layer.
Can a bad oxygen sensor make the engine run poorly?
Yes, it can. A failed sensor might cause poor running, higher fuel consumption or a lit malfunction indicator light, and a shop can test the sensor.
