NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology. NTK is constantly improving sensor designs to provide excellent performance and improve resistance to failure. NTK works with their OEM manufacturers through each phase of development from concept to production.

ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

The NGK BMW 735i 1986-1987 Direct Fit Oxygen Sensor (Part Number 25528) is engineered to optimize your vehicle's engine performance and fuel efficiency. Designed specifically for models including the 1986 and 1987 BMW 735i, this sensor provides precise feedback to the engine control unit (ECU), helping to maintain the ideal air-fuel mixture. Its compatibility ensures seamless integration with your vehicle's existing systems, promoting smooth operation and reduced emissions. Crafted with a focus on durability and reliability, this oxygen sensor is an essential component for maintaining your vehicle’s emission standards and engine health.
The sensor features an advanced ceramic element with a 3-stage contaminant-resistant plasma jet and deposit trap overcoat, which guards against element poisoning and prolongs service life. This technology ensures consistent performance even in harsh operating conditions. As a direct fit replacement, installation is straightforward, allowing for a proper and secure fit that restores your vehicle's optimal performance without modifications. Trust NGK's reputation for quality OEM-compatible sensors that are designed to meet or exceed original equipment standards.
This oxygen sensor is suitable for use in various BMW models including the L6 and L7 series from 1986 and 1987. It is a crucial component in your vehicle's onboard diagnostic system, providing continuous feedback to help control emissions, fuel delivery, and catalytic converter efficiency. Proper functioning of this sensor can lead to improved fuel economy, lower emissions, and better engine responsiveness. Ensure your vehicle remains compliant with emission regulations and runs smoothly with this high-quality NGK oxygen sensor, designed to deliver reliable performance for years to come.

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