fits model: X3. make: Bmw. year: 2015–2017.

( Manufacturer Part Number: 26-10-7-638-328 ), ( Type: Driveshaft ), ( Year: 2015 2016 2017 ), ( Universal Fitment: No ), ( Transmission Type: Automatic ), ( Placement On Vehicle: Rear )
The **BMW X3 (E83) Sdrive28i (07/2015 07/2017) rear driveshaft (part numbers 26-10-7-638-328)** is a critical component of the vehicle s drivetrain, designed to transmit power from the rear differential to the rear wheels in this popular luxury crossover s all-wheel-drive (xDrive) system. Manufactured to BMW s exacting standards, this driveshaft is engineered for precision and durability, ensuring seamless torque delivery while maintaining optimal alignment and balance. Constructed from high-strength steel, it features a robust tubular shaft with reinforced joints and a sealed, grease-filled universal joint (U-joint) at the differential end, as well as a splined connection at the wheel hub, allowing for smooth articulation during off-road driving, aggressive cornering, or uneven road surfaces. The driveshaft is also equipped with a protective rubber boot that shields internal components from debris, moisture, and contamination, extending its lifespan and reducing maintenance requirements. This particular model is compatible with the **N55 inline-4 turbocharged engine** paired with the **6-speed ZF automatic transmission**, delivering the characteristic 282 horsepower and 300 lb-ft of torque that define the Sdrive28i s performance. Whether navigating city streets, winding mountain roads, or light off-road trails, this driveshaft plays a vital role in maintaining the X3 s dynamic handling, responsive acceleration, and the signature BMW driving experience blending sportiness with refined luxury. For owners seeking reliability or those replacing a worn or damaged driveshaft, this genuine BMW part ensures a perfect fit, seamless integration with the vehicle s suspension and drivetrain systems, and the confidence of OEM-quality craftsmanship.
### **Pros and Cons of Buying a 2015-2017 BMW X3 (F25) SDrive28i (036-10-7-638-328) with Rear Driveshaft Issues**
#### **Pros**
1. **Strong Performance and Driving Dynamics**
The BMW X3 SDrive28i is powered by a 2.0L inline-4 turbocharged engine (N26) producing around **258 hp and 300 lb-ft of torque**, paired with an 8-speed ZF automatic transmission. This setup delivers responsive acceleration and engaging driving dynamics, especially in the rear-wheel-drive (RWD) configuration. The car handles well on curves, making it a fun and capable SUV for spirited driving.
2. **Reliable Turbocharged Engine (When Maintained Properly)**
The N26 engine is known for being durable if serviced regularly. With proper oil changes (using high-quality synthetic oil) and timely maintenance, it can easily exceed **150,000 200,000 miles**. Many owners report few major issues if basic upkeep is followed.
3. **Comfortable and Spacious Interior**
The X3 offers a well-appointed cabin with **good seating comfort**, especially for its class. The rear seats provide adequate space for passengers, and the infotainment system (if equipped with Navigation or iDrive updates) is user-friendly. The build quality is generally solid, though some plastic trim may feel less premium than higher-end BMWs.
4. **All-Wheel Drive (xDrive) Option (If Available)**
If the vehicle you re considering has the **xDrive system**, it provides excellent traction in adverse conditions (snow, rain, or off-road light use). The system intelligently shifts power between axles, improving stability without sacrificing too much performance.
5. **Resale Value and Brand Prestige**
BMWs hold their value reasonably well, and the X3 remains a desirable compact SUV. The brand carries prestige, which can be appealing if you value BMW s reputation for performance and luxury.
6. **Available Safety Features**
Many 2015 2017 X3 models come with **standard safety tech** such as:- **Dual front airbags**
- **Stability Control (DSC)**
- **Electronic Stability Program (ESP)**
- **Traction Control**
Some higher trims include **adaptive cruise control, blind-spot monitoring, and rearview camera**, which are useful for modern driving.
7. **Modding and Tuning Potential**
The N26 engine is a popular choice for tuning, with aftermarket support for **boost upgrades, exhaust systems, and suspension modifications**. This can enhance performance and personalization if you re interested in modifying the car.
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#### **Cons**
1. **Rear Driveshaft/Propeller Shaft Issues (A Known Weakness)**
The **2015 2017 BMW X3 (F25) SDrive28i** has a **reported history of driveshaft failures**, particularly in the **rear propeller shaft (prop shaft)**. Symptoms include:
- **Clunking or rattling noises** when accelerating, braking, or turning.
- **Vibration in the cabin**, especially at higher speeds.
- **Excessive play or wobbling** in the driveshaft area.
- **Oil leaks** from the driveshaft joints (constant velocity or CV joints).
This issue is **not uncommon** and has led to **recalls and extended warranties** in some cases. If the driveshaft is failing, **replacement can cost between $1,500 $3,000**, depending on whether you use OEM or aftermarket parts.
2. **Higher Maintenance Costs**
BMWs are **notoriously expensive to maintain** compared to Japanese or German rivals. Common maintenance items include:- **Expensive parts** (e.g., suspension, brakes, turbocharger).
- **Specialized labor** (BMW dealerships charge premium rates).
- **Oil changes** (BMW recommends **BMW Longlife-04 oil**, which is pricier than conventional synthetic).
- **Timing belt replacement** (if not already done, it s a **$1,000 $1,500 job** around **100,000 miles**).
3. **Electrical and Infotainment Glitches**
The **iDrive system** (especially in older models) can be **slow, unresponsive, or prone to freezing**. Software updates are sometimes required to fix bugs. Additionally, **sensor issues** (e.g., rain sensors, parking sensors) can develop over time.
4. **Suspension Wear and Tire Costs**
The X3 s **adaptive suspension** (if equipped) can wear out quickly, leading to **stiff or bouncy ride quality**. Replacing **shock absorbers, struts, or bushings** can cost **$1,000 $2,000**. Tires are also **expensive** (BMW s recommended brands are costly).
5. **Fuel Economy is Average for a Turbo SUV**
While the **N26 engine is efficient for its class**, real-world fuel economy is around:- **City: 18 20 MPG**
- **Highway: 25 28 MPG**
This is **better than most turbocharged SUVs** but not exceptional. Diesel alternatives (like the X3 xDrive28d) offer slightly better MPG but come with their own trade-offs.
6. **Depreciation and Long-Term Costs**
BMWs **depreciate faster than some rivals** (e.g., Lexus, Toyota). If you plan to keep the car long-term, **replacement parts and labor costs** will add up significantly.
7. **Potential Transmission Issues**
While the **8-speed ZF automatic is generally reliable**, some owners report **rough shifting, delayed engagement, or transmission fluid degradation** over time. Flushing the transmission fluid (**$200 $400**) is recommended every **60,000 80,000 miles**.
8. **Off-Road Limitations**
The X3 is **not a true off-road vehicle**. While the **xDrive system helps**, it lacks **locking differentials, high ground clearance, or advanced off-road modes** found in vehicles like the Land Rover Defender or Jeep Wrangler.
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### **Key Considerations Before Buying**
1. **Inspect the Driveshaft Thoroughly**
- If the **rear driveshaft is failing**, the repair is **costly and time-consuming**. Have a **trusted mechanic perform a driveshaft inspection** (look for **play, leaks, or unusual noises**).
- If the driveshaft is **already replaced**, ask for **service records** to confirm the repair was done properly.
2. **Check Maintenance History**
- Ensure **oil changes, timing belt, and transmission fluid** have been done on time.
- Look for **recalls or extended warranties** related to driveshafts (BMW may have covered some models).
3. **Test Drive for Driveshaft Noises**
- Listen for **clunks, rattles, or vibrations** when accelerating, braking, or turning.
- A **healthy driveshaft should be silent** except for normal suspension noise.
4. **Budget for Future Repairs**
- BMWs **require more money than most cars**. Factor in:- **Suspension upgrades** ($1,000 $2,000)
- **Tire replacements** ($1,500 $2,500 for a full set)
- **Potential turbo or engine issues** (less common but possible)
5. **Consider Alternatives**
- If driveshaft issues are a concern, look for:- **A used X3 with a known good driveshaft history** (ask for **service records**).
- **A different BMW model** (e.g., **X5, 5 Series, or 3 Series**) if you need more space or better reliability.
- **Non-BMW alternatives** like the **Lexus RX 350, Audi Q5, or Volvo XC60** (which may have better long-term reliability).
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### **Final Conclusion and Recommendation**
#### **Should You Buy This X3?**
**Yes, but only if:**The **driveshaft is confirmed to be in excellent condition** (no leaks, play, or noises).
The **seller provides full maintenance records** (oil changes, timing belt, transmission fluid).
You are **prepared for higher long-term costs** (BMW maintenance is expensive).
You **enjoy driving a sporty SUV** and don t mind occasional quirks (electrical issues, suspension wear).
**No, if:**The **driveshaft shows signs of failure** (noises, leaks, or unknown history).
You **can t afford unexpected repairs** (BMW parts and labor add up quickly).
You **prioritize reliability over brand prestige** (consider a Lexus or Audi instead).
#### **Best Approach**
- **Get a pre-purchase inspection (PPI) from a BMW specialist
FOR: 2015 - 2017 BMW. 2015 - 2017 BMW X3 SDRIVE28i REAR DRIVESHAFT DRIVE SHAFT PROPELLER ASSEMBLY OEM: REMOVED FROM: 17. 68K MILES ONLY. PART#: 26-10-7-638-328.
Please message or call us for pricing and availability. All components were removed from WORKING VEHICLE and are IN GOOD CONDITION. Genuine BMW Parts.