1. Engine Crankshafts Products
  2. sku: 19505160513560773
  3. AUTOPART PREMIUM 23SWTM

AUTOPART PREMIUM 23SWTM Crank Position Sensor Xdrive Base M550I 4.4L V8

fits make: Bmw. year: 2018–2020.

23swtm Autopart Premium Crank Position Sensor Fits Bmw M550i Xdrive 2018-2020 4.4l V8 Base

( Brand: Autopart Premium ), ( Manufacturer Part Number: 23SWTM ), ( Part Type: Crank Sensor ), ( Engine: 4.4l V8 ), ( Trim: Base ), ( Compatible Make/model: Bmw M550i Xdrive ), ( Compatible Years: 2018 2019 2020 18 19 20 ), ( Fitment Info: Crank Position Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review AUTOPART PREMIUM Crank Position Sensor Bmw Xdrive 4.4l V8 Base fits 2018–2020

The **Autopart 23SWTM Crank Position Sensor** is a precision-engineered, direct-fit replacement component designed exclusively for BMW s high-performance **M550i XDrive models (2018 2020)** featuring the **4.4L TwinPower Turbo V8 engine**. This sensor is a critical component of the vehicle s ignition and engine control system, responsible for monitoring the crankshaft s position and rotational speed with millisecond precision. Built to OEM specifications, it ensures seamless integration with the engine s electronic control unit (ECU), maintaining optimal fuel delivery, ignition timing, and overall engine performance. The sensor utilizes a robust, corrosion-resistant housing and a high-accuracy magnetic pickup to detect the position of the reluctor ring on the crankshaft, providing real-time feedback to the engine management system. This allows for accurate crankshaft phasing, which is essential for smooth operation, especially under varying load conditions, including high-performance driving scenarios. The 23SWTM sensor is engineered to withstand the demanding thermal and mechanical stresses of the M550i s turbocharged V8, ensuring long-term reliability and compatibility with BMW s advanced fuel injection and turbocharging systems. Whether used for routine maintenance, performance tuning, or as a direct replacement for a failed OEM sensor, this component delivers the precision and durability expected from BMW s high-end powertrain technology.

### **Pros and Cons of buying a Autopart 23SWTM Crank Position Sensor for a BMW M550i XDrive (2018-2020, 4.4L V8 Base)**

#### **Pros:**

1. **Direct Fitment** The sensor is designed specifically for the 2018-2020 BMW M550i XDrive with the 4.4L V8 engine, ensuring compatibility without modifications.

2. **High-Quality Material** Autopart sensors are typically made from durable materials, including stainless steel or high-grade plastic, which resist corrosion and wear over time.

3. **Easy Installation** The sensor is a straightforward bolt-on replacement, requiring minimal tools (socket wrench, torque wrench, and possibly a scan tool for reset).

4. **Cost-Effective** Compared to OEM or aftermarket sensors from other brands, this part is often priced competitively, offering good value for the performance.

5. **Warranty Coverage** Many reputable aftermarket suppliers, including Autopart, provide warranties (typically 6-12 months), offering peace of mind against premature failure.

6. **Improved Reliability** A faulty crank position sensor can cause misfires, rough idling, or even engine stalling. Replacing it with a reliable sensor restores proper engine function.

7. **Compatibility with Aftermarket Tuning** If you plan to modify or tune your engine, a high-quality sensor ensures accurate data for ECU adjustments.

8. **Prevents Further Damage** Ignoring a failing sensor can lead to more expensive issues, such as catalytic converter damage or transmission problems in XDrive models.

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#### **Cons:**

1. **Potential Counterfeit Risk** Some aftermarket sensors, especially those from lesser-known sellers, may be counterfeit or low-quality replicas. Buying from an untrusted source could result in premature failure.

2. **Installation Complexity (If DIY)** While the sensor itself is simple to replace, accessing it may require removing the engine cover or other components, which can be tricky for inexperienced DIYers.

3. **Mismatched Quality vs. OEM** While this sensor is likely high-quality, it may not match the exact durability of an OEM part, though this is rare with reputable brands.

4. **Scan Tool Required for Reset** After replacement, you may need a scan tool (or dealership service) to clear error codes and reset the engine control module (ECM).

5. **Limited Brand Recognition** Autopart is a well-known brand, but some BMW enthusiasts prefer OEM or premium aftermarket brands like AEM, Bosch, or Hall Sensor Direct for critical sensors.

6. **Possible Compatibility Quirks** While the sensor is listed for your model, slight variations in engine tuning or wiring harnesses could cause minor issues (e.g., resistance mismatch), though this is uncommon.

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### **Conclusion:**

The **Autopart 23SWTM Crank Position Sensor** is a **solid choice** for replacing a faulty sensor in your 2018-2020 BMW M550i XDrive (4.4L V8). It offers **direct fitment, durability, and cost-effectiveness**, making it a practical solution for most drivers. However, **buying from a trusted seller** (such as Amazon, RockAuto, or a reputable BMW parts dealer) is crucial to avoid counterfeit or low-quality parts.

If you prioritize **maximum reliability and warranty support**, this sensor is an excellent budget-friendly option. For **ultimate peace of mind**, an OEM or premium aftermarket sensor (e.g., Bosch or Hall Sensor Direct) may be worth the extra cost, though the difference in performance is often negligible for most applications.

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### **Recommendation:**

- **Buy from a trusted source** (e.g., Amazon, RockAuto, or a BMW specialist) to ensure authenticity.

- **Follow proper installation steps**, including torque specifications (typically 10-15 Nm for the sensor bolt).

- **Reset the ECM** using a scan tool (e.g., OBD-II scanner) or visit a mechanic if you don t have one.

- **Monitor for issues** after installation if the problem persists, check for wiring damage or other sensor-related faults.

**Final Verdict:** **Proceed with confidence** this sensor is a **reliable and cost-effective replacement** for your M550i s crank position sensor, provided you source it responsibly. If budget allows, consider an OEM or higher-end aftermarket alternative for added assurance.

Details:

Terminal Gender: Male. Type: Crankshaft Position Sensor. Connector Type: Plug In. Detailed Applications Years: Vehicle: Sub model: Engine: 2018 - 2020 BMW M550i xDriveBase4.4L V8.

Terminal Type: Blade. Crank Position Sensor fits BMW M550i xDrive 2018 - 2020 4.4L V8 Base 23SWTM: Brand: Autopart Premium condition: New Notes: Detailed Crankshaft for F10 550i F90 M6 Gran Coupe M5 F15 X5 G07, Specifications Terminal Quantity: Connector Shape: Oval.

part #: 23swtm prices

  • $20.92-$56.71

specifications cranshafengin:

  • for makes: Bmw
  • for years: 2018-2020
  • brand: Autopart Premium
  • mpn: 23swtm
  • part type: Crank Sensor
  • engine: 4.4l V8
  • trim: Base
  • compatible make/model: Bmw M550i Xdrive
  • compatible years: 2018 2019 2020 18 19 20
  • fitment info: Crank Position Sensor
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

payments cranshafengin:

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

offer cranshafengin:

  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: March 26, 2026

returns cranshafengin:

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

seller cranshafengin:

  • city: New Brunswick, New Jersey
  • rating: 99.1%
  • # reviews: 23439

general cranshafengin:

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

shipping cranshafengin:

  • class: Economy
  • cost: $0.00
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  • transit: 4-7 Days
  • type: Fixed
for makes: bmw, for years: 2018-2020, part type: crank sensor, engine: 4.4l v8, trim: base, compatible make/model: bmw m550i xdrive, compatible years: 2018 2019 2020 18 19 20, fitment info: crank position sensor, manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19505160513560773,
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