BOSCH 87BBZB Crank Position Sensor

( Brand: Bosch ), ( Manufacturer Part Number: 87BBZB ), ( Part Type: Crank Sensor ), ( Compatible Make/model: Audi A5 ), ( Compatible Years: 2013 2014 13 14 ), ( Fitment Info: Crank Position Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review BOSCH Crank Position Sensor Audi fits A5 2013–2014

The **Bosch 87BBZB Crank Position Sensor** is a precision-engineered, high-performance replacement part designed specifically for Audi A5 models produced between 2013 and 2014, ensuring seamless integration with the vehicle s advanced engine management system. This sensor plays a critical role in monitoring the crankshaft s position and rotational speed, providing real-time data to the engine control unit (ECU) to optimize fuel injection, ignition timing, and overall engine performance. Crafted from durable, high-quality materials, the Bosch 87BBZB sensor is built to withstand the demanding conditions of modern automotive environments, delivering reliable and accurate readings even under high-stress operating conditions. Its robust construction includes a precision-machined housing and a robust Hall-effect sensor, which ensures consistent and interference-free signal transmission to the ECU, preventing misfires, rough idling, or potential engine stalling. This sensor is fully compatible with the 2.0L and 3.0L turbocharged engines commonly found in the Audi A5 series during these model years, making it an essential component for maintaining peak engine efficiency and longevity. Whether addressing a diagnostic trouble code (DTC) such as P0335 or P0336, or simply performing routine maintenance, the Bosch 87BBZB crank position sensor offers a direct, plug-and-play solution that restores optimal engine function with minimal effort. Backed by Bosch s reputation for quality and reliability, this sensor is a trusted choice for both professional mechanics and DIY enthusiasts seeking a dependable replacement that meets or exceeds OEM specifications.

### **Bosch 87BBZB Crank Position Sensor (Audi A5 2013 2014) Pros and Cons**

1. **OEM Quality and Compatibility** Bosch is a trusted automotive brand known for producing high-quality, reliable sensors that meet or exceed original equipment manufacturer (OEM) standards. This sensor is designed specifically for the 2013 2014 Audi A5, ensuring a precise fit and proper functionality with the engine control unit (ECU).

2. **Reliability and Durability** Bosch sensors are engineered to withstand the harsh conditions of an engine bay, including heat, vibration, and electrical interference. This reduces the likelihood of premature failure compared to aftermarket knockoffs.

3. **Easy Installation** The sensor is designed for straightforward replacement, requiring minimal tools and no modifications to the engine or wiring. Most users report that swapping it out takes less than an hour, especially if they have basic mechanical experience.

4. **Compatibility with Modern Diagnostics** The sensor is compatible with the Audi A5 s ECU and diagnostic systems (e.g., VCDS, Audi Connect), ensuring accurate crankshaft position data for proper engine operation, fuel injection, and ignition timing.

5. **Warranty and Support** Bosch offers warranties on their sensors, and many automotive parts retailers provide return policies or warranties for their products. This provides peace of mind in case of defects or installation issues.

6. **Prevents Engine Misfires and Stalling** A faulty crank position sensor can cause severe drivability issues, including misfires, rough idling, stalling, or even failure to start. Replacing it with a Bosch sensor restores proper engine performance and prevents potential long-term damage.

7. **Cost-Effective Long-Term Solution** While the upfront cost is higher than some aftermarket alternatives, the sensor s longevity and reliability make it a cost-effective choice over time. Avoiding repeated sensor failures or related engine issues justifies the investment.

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1. **Higher Upfront Cost** Bosch sensors are more expensive than generic or no-name alternatives, which may deter budget-conscious buyers. Prices typically range between $50 and $100, depending on the retailer and whether it s new or refurbished.

2. **Potential for Counterfeit Products** Purchasing from untrusted sellers (e.g., unverified online marketplaces or eBay) increases the risk of receiving a fake or low-quality sensor. Always buy from reputable automotive parts stores or authorized dealers to ensure authenticity.

3. **Requires Basic Mechanical Knowledge** While the installation is relatively simple, users without mechanical experience may struggle with tasks like removing the old sensor, cleaning the mounting area, or ensuring proper torque on the new sensor. Consulting a repair guide or video tutorial is advisable.

4. **Possible ECU Learning Cycle** After replacement, the Audi s ECU may need to relearn the sensor s signal patterns, which could result in a temporary check engine light (CEL) or minor drivability issues. A scan tool (like VCDS) can help reset the ECU if needed.

5. **Limited Availability in Some Regions** Depending on location, Bosch sensors may not be as widely stocked as other brands, requiring online ordering or waiting for delivery. This could delay repairs if you re in a remote area.

6. **Risk of Over-Torquing or Under-Torquing** Improper torque on the sensor s mounting bolt can lead to leaks (if it s a sealed unit) or loosening over time. Most sensors recommend a torque value of around **10 15 Nm (7 11 ft-lb)**, but exceeding this can damage the sensor or the engine block.

7. **No Significant Performance Upgrade** Unlike performance parts (e.g., cold air intakes or exhaust systems), replacing a faulty crank position sensor does not improve engine performance it only restores proper function. Expect no power gains or efficiency improvements.

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### **Conclusion**

The **Bosch 87BBZB crank position sensor** is an excellent choice for Audi A5 owners (2013 2014) experiencing crank sensor failures. Its OEM-level quality, reliability, and compatibility make it a dependable long-term solution, far superior to many aftermarket alternatives. While the cost is higher, the sensor s durability and ease of installation justify the investment, especially when considering the potential consequences of a failing sensor (e.g., engine damage or repeated repairs).

However, buyers should prioritize purchasing from trusted sources to avoid counterfeit products and ensure proper installation. Those without mechanical experience may benefit from seeking professional help or following detailed guides to avoid mistakes.

### **Recommendation**

- You value reliability and long-term performance.

- You re replacing a confirmed faulty crank position sensor (verified via diagnostic trouble codes like P0335).

- You re comfortable with basic installation or have access to guidance.

- You want to avoid the risk of cheap, unreliable alternatives that may fail sooner.

- You re on a tight budget and can t afford the upfront cost (though cheaper sensors may fail sooner).

- You re unable to verify the sensor s authenticity (stick to reputable sellers).

- You lack confidence in installing it yourself (professional installation is worth the extra cost).

**Final Verdict:** For most Audi A5 owners, the Bosch sensor is the best balance of quality, compatibility, and longevity. It s a straightforward upgrade that restores engine reliability without unnecessary compromises.

Details:

Bosch Crank Position Sensor fits Audi A5 2013 - 2014 87BBZB: Brand: condition: New OEM Detailed Applications Years: Vehicle: 2013 - 2014 Audi.

part #: 87bbzb price

• $58.68

specifications cranshafengin:

• for makes: Audi
• for years: 2013-2014
• brand: Bosch
• mpn: 87bbzb
• part type: Crank Sensor
• compatible make/model: Audi A5
• compatible years: 2013 2014 13 14
• fitment info: Crank Position Sensor
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

seller cranshafengin:

• rating: 99.1%
• # reviews: 23737
• city: East Walpole, Massachusetts

offer cranshafengin:

• sold: 0
• started: April 3, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

payments cranshafengin:

• wallet: Google-pay
• credit card: Visa
• other

shipping cranshafengin:

• transit: 4-8 Days
• class: Economy
• service: Economy
• cost: $0.00
• type: Fixed

returns cranshafengin:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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