Description
Bosch Oxygen Sensor 17208 – For BMW Vehicles
Manufacturer Part Number: 17208
The Bosch Oxygen Sensor is a critical component for maintaining optimal engine performance in your BMW. Designed specifically for select BMW 5 and 7 Series models, this upstream oxygen sensor measures exhaust oxygen levels, allowing for real-time adjustments to the air-fuel mixture. By ensuring the engine runs efficiently, it not only helps reduce harmful emissions but also enhances overall performance. With a typical lifespan of 100,000 miles, this premium-grade sensor is engineered to meet or exceed OEM standards, ensuring reliability and longevity.
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 760i / 6.0V12, 2003-2006
- BMW 760Li / 6.0V12, 2003-2006
- BMW 745i / 4.4V8, 2003-2005
- BMW 745Li / 4.4V8, 2003-2005
- BMW 545i / 4.4V8, 2003-2006
- BMW 645Ci / 4.4V8, 2004-2005
Cross Reference Numbers
- BMW:11 78 7 521 705
- 11787521705
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Since 2000, our website has been a trusted destination for European car owners looking for reliable parts at great prices. Here’s why customers choose us:
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
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Frequently Asked Questions
What does this part do?
The oxygen sensor monitors the concentration of oxygen in the exhaust gases. It provides feedback to the engine control unit (ECU) to optimize the air-fuel mixture, enhancing performance and reducing emissions.
What vehicles is this part compatible with?
This oxygen sensor is compatible with several BMW models, including 760i, 760Li, 745i, 745Li, 545i, and 645Ci from model years 2003 to 2006. Please use the vehicle selector tool for confirmation of fitment.
What are common signs this part may need replacement?
Signs of a failing oxygen sensor may include poor fuel economy, rough engine idle, increased emissions, and illuminated check engine light. If you experience any of these symptoms, it may be time to replace the sensor.
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Specification
-
- eEuroparts SKU : 236599
- Weight : 0.3726 lbs
- Dimensions (L x W x H) : 2.2047 x 3.937 x 5.8268 in
- Barcode : 00028851172080
- Manufacturer Part # : 17208
- Brand : Bosch
- Manufacturer : Bosch
- MPN : 17208
- Part Type : Air / Fuel Ratio Sensor
- OE Part Numbers : 11787521705
- Features : Automotive Color / Finish : Steel
Automotive Item Weight (lbs) : 0.302033 lb
Connector Gender : Male
Connector Shape : Oblong
Grade Type : Regular
Heated : Yes
Hex Size (Oxygen Sensor) : 22 mm
Housing Material : Metal
Length (Sealing Surface To End Of Connector) : 23.8188976377953 in
Mounting Bracket Included : No
Mounting Type : Threaded
Overall Length : 25.0 in
Oxygen Sensor Type : Wide band
Prop 65 Warning Label Required? : No
Sensor Type : Heated
Terminal Gender : Male
Terminal Quantity : 6
Terminal Type : Blade
Thread Diameter : 18
Thread Size : 18
Universal Or Specific Fit : Specific
Wire Quantity : 5
Wiring Harness Included : Yes
Wiring Harness Length : 21.6535433070866
- Fitment
- Fitment Type : Vehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2003 | BMW | 745i | Base (4.4 V8 GAS) | Position: Upstream Right |
| 2003 | BMW | 745Li | Base (4.4 V8 GAS) | Position: Upstream Right |
| 2003 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Upstream Left |
| 2004 | BMW | 545i | Base (4.4 V8 GAS) | Position: Upstream Left, Transmission Control: Automatic |
| 2004 | BMW | 745Li | Base (4.4 V8 GAS) | Position: Upstream Right |
| 2004 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Upstream Left |
| 2004 | BMW | 745i | Base (4.4 V8 GAS) | Position: Upstream Right |
| 2004 | BMW | 645Ci | Base (4.4 V8 GAS) | Position: Upstream Left, Transmission Control: Automatic |
| 2004 | BMW | 760i | Base (6.0 V12 GAS) | Position: Upstream Left |
| 2005 | BMW | 545i | Base (4.4 V8 GAS) | Position: Upstream Left, Transmission Control: Automatic |
| 2005 | BMW | 645Ci | Base (4.4 V8 GAS) | Position: Upstream Left, Transmission Control: Automatic |
| 2005 | BMW | 745i | Base (4.4 V8 GAS) | Position: Upstream Right |
| 2005 | BMW | 745Li | Base (4.4 V8 GAS) | Position: Upstream Right |
| 2005 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Upstream Left |
| 2005 | BMW | 760i | Base (6.0 V12 GAS) | Position: Upstream Left |
| 2006 | BMW | 760i | Base (6.0 V12 GAS) | Position: Upstream Left |
| 2006 | BMW | 760Li | Base (6.0 V12 GAS) | Position: Upstream Left |
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