Walker BMW Engine Parts for BMW 5 Series G30 (2017+)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.
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BMW B58 3.0L Oxygen Sensor - Downstream
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Walker - Corporate Logo
T#:5229442
Part#: 11788611294
Ships in 3 Business Days
$ 159.99

This product was last offered at the strikethrough price on
04-10-2026

$ 138.99 USD
Free Shipping
$ 138.99 USD
Free Shipping

BMW B58 3.0L Oxygen Sensor - Downstream is essential for maintaining optimal engine performance and fuel efficiency. Turner Motorsport offers this high-quality replacement sensor designed to precisely measure exhaust oxygen levels, allowing the vehicle's computer to accurately adjust the air/fuel ratio and monitor emissions. A degraded oxygen sensor can lead to decreased engine performance, reduced fuel efficiency, and increased harmful emissions, potentially triggering the Check Engine Light and causing a failure in emissions testing.

  • Ensures Optimal Engine Performance: Accurately measures exhaust oxygen levels for precise air/fuel ratio adjustments.
  • Improves Fuel Efficiency: Helps maintain proper fuel mixture, reducing fuel consumption.
  • Reduces Harmful Emissions: Keeps emissions in check, ensuring compliance with environmental standards.
  • Prevents Check Engine Light Activation: Helps avoid unnecessary warning lights and potential emissions test failures.
  • Quality Replacement: High-grade sensor designed specifically for the BMW B58 3.0L engine.
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