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Bosch 16031 - Oxygen Sensor
MPN: 16031
The Bosch 16031 Oxygen Sensor is essential for monitoring exhaust oxygen levels, ensuring optimal engine efficiency and lower emissions. Designed for select BMW models.
Vehicle Specific
Check if this part fits your vehicle.
Product Overview
Enhance your BMW's performance with the Bosch Oxygen Sensor 16031, designed specifically for select models to ensure optimal engine efficiency and reduced emissions. Manufactured by Bosch, a trusted name in automotive parts, this oxygen sensor is engineered to meet OEM standards, providing reliable performance that professionals depend on. Oxygen sensors play a crucial role in monitoring the exhaust concentration of oxygen, helping to maintain the ideal air-to-fuel mixture. This real-time monitoring is essential for determining if your engine is running rich or lean, contributing to improved fuel efficiency and lower emissions. With a typical lifespan of up to 100,000 miles, this premium-grade sensor is an excellent investment for maintaining your vehicle's performance. Choose Bosch 16031 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch 16031 is equivalent to or replaces the following part numbers: 11 78 7 577 666, 11787577666.
Vehicle Compatibility
This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- BMW 740i 3.0 L6 (2010–2012)
- BMW 740Li 3.0 L6 (2010–2012)
- BMW X6 3.0 L6 (2008–2009)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bosch 16031 Oxygen Sensor do?
The Bosch 16031 Oxygen Sensor measures the concentration of oxygen in the exhaust gases, helping to regulate the air-to-fuel mixture for optimal engine performance. This allows the engine to operate efficiently and reduces harmful emissions.
How do I know if my Oxygen Sensor needs replacement?
Common signs that the Bosch 16031 may need replacement include an illuminated Check Engine Light, decreased fuel efficiency, rough idling or stalling of the engine, and increased emissions or failed emissions tests.
Can I install the Bosch 16031 myself?
Yes, the Bosch 16031 can be installed by DIY enthusiasts. However, proper precautions should be taken, and it is advisable to consult a repair manual specific to your vehicle model for detailed instructions.
What are the symptoms of a faulty Oxygen Sensor?
Symptoms of a faulty Oxygen Sensor may include poor fuel economy, increased emissions, and rough engine performance. If you encounter diagnostic trouble codes such as P0131, P0132, P0133, or P0134, it is advisable to have the sensor inspected or replaced.
Why should I choose Bosch for my Oxygen Sensor needs?
Choosing Bosch ensures you receive a high-quality product backed by extensive automotive expertise. Order Bosch 16031 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBosch
- ManufacturerBosch
- MPN16031
- Part TypeOxygen Sensor
- OE Part Numbers11787577666
- FeaturesAutomotive Color / Finish : Steel
Automotive Item Weight (lbs) : 0.273373 lb
Connector Gender : Female
Connector Shape : Round
Grade Type : Regular
Heated (Oxygen Sensor) : Yes
Hex Size (Oxygen Sensor) : 22 mm
Housing Material : Metal
Length (Sealing Surface To End Of Connector) : 22.8346456692913 in
Mounting Bracket Included : No
Mounting Type : Threaded
Overall Length : 24.0157480314961
Oxygen Sensor Type : Narrow-band heated
Prop 65 Warning Label Required? : No
Sensor Type : Heated
Terminal Gender : Female
Terminal Quantity : 4
Terminal Type : Pin
Thread Diameter : 18
Thread Size : 18
Universal Or Specific Fit : Specific
Wire Quantity : 4
Wiring Harness Included : Yes
Wiring Harness Length : 20.6692913385827
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2008 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Downstream, Notes: Cylinder(s) 1 to 3 |
| 2009 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Downstream, Notes: Cylinder(s) 1 to 3 |
| 2010 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Downstream, Notes: Cylinder(s) 1 to 3 |
| 2011 | BMW | 740i | Base (3.0 L6 GAS) | Position: Downstream Left |
| 2011 | BMW | 740Li | Base (3.0 L6 GAS) | Position: Downstream Left |
| 2012 | BMW | 740i | Base (3.0 L6 GAS) | Position: Downstream Left |
| 2012 | BMW | 740Li | Base (3.0 L6 GAS) | Position: Downstream Left |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.
