1. Universal Joints For Sale
  2. sku: 15140653533887983
  3. BMW 8642909-03

BMW 8642909-03 Rear Axle Prop Propeller Cardan Driveshaft 3/4 N20

fits model: 320i. make: Bmw. year: 2012–2018.

8642909-03 Bmw 12-18 Series 3 4 320i N20 Rear Axle Prop Propeller Cardan Driveshaft Oem

( Manufacturer Part Number: 8642909-03 ), ( Items Included: - ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Transmission Type: Automatic ), ( Type: Driveshaft ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: Germany )

Review BMW Series 3/4 N20 Rear Axle Prop Propeller Cardan Driveshaft Oem fits 320I 2012–2018

The **BMW 8642909-03 (2012 2018 N20 320i Rear Axle Propeller Shaft/Propeller Cardan Driveshaft)** is a precision-engineered component designed to deliver seamless power transfer between the transmission and rear axle in BMW s front-wheel-drive (FWD) and all-wheel-drive (AWD) N20 320i models, spanning the 2012 through 2018 production years. Crafted from high-grade, heat-treated steel, this driveshaft features a robust **constant velocity (CV) joint design** at both ends, ensuring smooth articulation and durability even under demanding driving conditions. The outer joint is typically a **tapered roller bearing type**, providing superior load-bearing capacity and longevity, while the inner joint incorporates a **ball-and-tapered cage mechanism** to minimize friction and maintain consistent torque delivery. The driveshaft itself is constructed with a **torsion-resistant, hollow steel tube**, reinforced with internal splines to prevent flexing and ensure optimal power transmission efficiency. This component is integral to the vehicle s drivetrain, playing a critical role in maintaining balanced wheel speed and reducing vibrations that could compromise ride comfort or handling precision. Whether installed in a standard FWD configuration or as part of BMW s **xDrive AWD system**, this driveshaft is engineered to withstand the rigors of daily driving, high-speed maneuvers, and occasional off-road excursions, making it a vital yet often overlooked element in the vehicle s overall performance. Its compatibility with the N20 engine platform known for its sporty yet practical design ensures that drivers experience the full potential of the 320i s responsive acceleration and dynamic cornering, all while benefiting from the reliability and durability of BMW s engineering standards. For enthusiasts seeking to restore or upgrade their N20 320i s drivetrain, this driveshaft serves as an essential replacement part, offering a direct fit with minimal modifications required, thus preserving the vehicle s factory integrity while enhancing its long-term reliability.

### **Analysis of Buying a BMW N20 320i (2012-2018) with a Propeller Shaft (Cardan Driveshaft) Issue (Part Number: 8642909-03)**

#### **Overview of the BMW N20 320i (2012-2018)**

The BMW N20 engine is a 2.0L inline-4 turbocharged unit used in the F30 3 Series (320i) from 2012 to 2018. It is known for its performance, but it has several common issues, including oil consumption, turbo failures, and drivetrain problems particularly with the propeller shaft (cardan driveshaft).

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### **Pros of Buying This Vehicle**

1. **Performance and Driving Experience**

- The N20 320i delivers strong acceleration (250 hp in later models) and a sporty driving feel, especially with the optional M Sport package.

- The turbocharged engine provides a good balance of power and efficiency compared to naturally aspirated alternatives.

2. **Reliability of the Core Components**

- The engine itself (when well-maintained) can last long, especially if oil changes are done regularly.

- The transmission (ZF 6HP21 or Getrag DQ200) is generally robust if serviced properly.

3. **Aftermarket Support and Tuning Potential**

- The N20 has a strong aftermarket presence, with tuning options (e.g., forced induction upgrades, ECU remaps) available to boost performance.

- Parts like suspension, brakes, and exhausts are widely available and affordable.

4. **Resale Value (Compared to Other BMWs)**

- While not as high as a 335i or M3, the 320i holds value better than some older BMWs due to its popularity and reliability improvements over earlier N20 models.

5. **Potential for Cost-Effective Repairs**

- If the propeller shaft issue is isolated and not part of a larger drivetrain problem, fixing it may be cheaper than replacing an entire axle or transmission.

---

### **Cons of Buying This Vehicle**

1. **Propeller Shaft (Cardan Driveshaft) Issues**

- The **8642909-03 propeller shaft** is known to fail due to:

- **Bearing wear** (common in high-mileage examples).

- **Misalignment or improper installation** (can cause excessive stress).

- **Corrosion or damage** from road debris or improper storage.

- Failure can lead to **sudden loss of power, grinding noises, or a "clunking" sound** when accelerating or shifting.

- Replacement is **expensive** (parts labor can exceed **$1,000 $1,500** depending on the shop).

- If the issue is part of a **larger drivetrain problem** (e.g., faulty transfer case, axle bearings, or transmission mounts), the repair cost multiplies.

2. **Oil Consumption Problems**

- The N20 is infamous for **burning oil**, especially in higher-mileage examples.

- Some owners report **1 quart per 1,000 miles** or worse, leading to:

- **Engine wear** (if oil levels are ignored).

- **Smoke from the exhaust** (blue smoke indicates oil burning).

- Solutions include:

- **Regular oil changes with high-quality synthetic oil** (e.g., Motul, Liqui Moly).

- **Installing an oil catch can** (reduces oil loss but doesn t eliminate it).

- **Potential engine rebuild or replacement** in severe cases (cost: **$3,000 $6,000 **).

3. **Turbocharger Failures**

- The **turbocharger** in the N20 is a weak point, especially in high-mileage or poorly maintained examples.

- Symptoms include:

- **Lag under acceleration**.

- **Whining or rattling noises** from the turbo.

- **Exhaust smoke** (black or blue).

- Replacement costs **$1,500 $3,000** (including labor and potential related repairs).

4. **Transmission Issues (ZF 6HP21 or Getrag DQ200)**

- The **ZF 6HP21** (automatic) can develop **slippage, rough shifting, or solenoid failures**.

- The **DQ200** (manual) is more reliable but still prone to **clutch wear** and **shift linkage issues**.

- Transmission repairs can be **costly** (rebuild: **$2,500 $4,000**).

5. **Electrical and Sensor Problems**

- The N20 is sensitive to **faulty sensors** (MAF, crankshaft position, camshaft position), leading to:

- **Check Engine Lights (CEL)**.

- **Poor idle or rough running**.

- Replacing sensors is **moderate in cost** but can be frustrating if the issue persists.

6. **Suspension and Steering Wear**

- **Control arm bushings, sway bar links, and ball joints** wear out quickly, leading to:

- **Excessive play in the steering**.

- **Uneven tire wear**.

- Replacing these components adds up (**$500 $1,200** for a full suspension refresh).

7. **Depreciation and Long-Term Costs**

- While the 320i is more reliable than earlier N20 models, **long-term ownership costs** (oil changes, turbo, transmission, suspension) can add up.

- If the propeller shaft failure is part of a **larger drivetrain issue**, the repair could be **prohibitive** for some buyers.

---

### **Key Considerations Before Purchase**

1. **Verify the Propeller Shaft Issue**

- **Inspect for:**

- Visible damage (bent or cracked shaft).

- Excessive play or grinding noises when moving the car.

- Oil leaks around the universal joints.

- **Test drive:**

- Listen for **clunking or rattling** when accelerating or shifting.

- Check for **sudden power loss** (could indicate a failing driveshaft or transmission issue).

2. **Check Maintenance History**

- **Oil changes:** Must be done **every 5,000 7,500 miles** (BMW recommends 10,000, but N20s need more frequent changes).

- **Turbo service:** Has it been replaced or serviced?

- **Transmission fluid:** Automatic models need **fluid changes every 60,000 miles**.

- **Suspension work:** Bushings and links should be replaced as needed.

3. **Get a Pre-Purchase Inspection (PPI)**

- A **BMW specialist** or **trusted mechanic** should:

- Check the **propeller shaft** for wear.

- Inspect the **transmission, turbo, and suspension**.

- Run a **scan tool** to check for engine and transmission codes.

4. **Budget for Potential Repairs**

- If the propeller shaft needs replacement, **factor in $1,000 $1,500**.

- If the **turbo or transmission** is failing, **budget $2,000 $5,000 **.

- **Oil consumption** may require **additional funds** for oil changes or a catch can.

5. **Compare to Alternatives**

- **BMW 335i (N55/N63):** More power, but higher maintenance costs.

- **Audi A4 2.0T (B8):** Similar performance, often more reliable.

- **Used Lexus ES 350:** More reliable, lower long-term costs.

- **Toyota Camry V6:** Bulletproof, but less fun to drive.

---

### **Final Conclusion and Recommendation**

#### **Buy If:**

You **find a well-documented example** with **full maintenance records**, especially **frequent oil changes**.

The **propeller shaft issue is isolated** (not part of a larger drivetrain problem) and the seller is willing to **replace it before sale**.

You are **prepared for potential turbo, transmission, or suspension repairs** in the next **2 3 years**.

You **plan to drive it moderately** (not for track use or heavy towing).

You **enjoy BMWs and are okay with some maintenance costs** (but not excessive).

#### **Avoid If:**

The **propeller shaft is already failing** or the seller refuses to fix it.

The **oil consumption is severe** (burning oil excessively).

The **transmission or turbo has major issues** (slippage, whining, or smoke).

You **cannot afford unexpected repairs** (N20s are not "set-and-forget" cars).

You **prefer a more reliable alternative** (e.g., Lexus, Audi A4, or Toyota).

#### **Best Approach:**

- **Negoti

Details:

However, due to previous use, there may be some visible signs of wear or cosmetic imperfections. Pickup Details. Warranty information is included in the.

part #: 864290903 prices

  • $107.99-$170.00

specifications universajoin:

  • for models: 320i
  • for makes: Bmw
  • for years: 2012-2018
  • mpn: 8642909-03
  • items included: -
  • vintage part: No
  • placement on vehicle: Rear
  • transmission type: Automatic
  • type: Driveshaft
  • manufacturer warranty: 1 Month
  • country of origin: Germany

offer universajoin:

  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: March 23, 2026

shipping universajoin:

  • carrier: USPS
  • class: Standard
  • type: Fixed
  • transit: 4-10 Days
  • cost: $0.00
  • service: USPS Ground Advantage

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  • paid by: Buyer
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  • time: 30 Days

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seller universajoin:

  • rating: 99.3%
  • city: Sarasota, Florida
  • # reviews: 2071

general universajoin:

  • Transmission Drivetrain > Driveshafts Parts > Driveshafts
  • condition: Used
for models: 320i, for makes: bmw, for years: 2012-2018, items included: -, vintage part: no, placement on vehicle: rear, transmission type: automatic, type: driveshaft, manufacturer warranty: 1 month, country of origin: germany,
category: auto parts > transmission drivetrain > driveshafts parts > driveshafts, sku: 15140653533887983,
Bmw 8642909-03 Is Similar To:
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2 offers $107.99–$170.00 USD
  • Used. Offer #1 priced at $107.99 + $0.00 shipping estimate = $107.99* total. PART : Driveshaft assembly. VEHICLE : 2016 BMW 328XI F30 AWD 2.0.FREE SHIPPING
  • Used. Offer #2 priced at $170.00 + $50.00 shipping estimate = $220.00* total. BMW 428I 16 4 Dr (Gran Coupe), AWD. Model: BMW 320 SERIES.+$50.00 shipping

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