BMW 11211432274 Crankshaft Crank M54B25

( Manufacturer Part Number: 11211432274 ), ( Part Type: Crankshaft Crank ), ( Manufacturer Warranty: 1 Month ), ( Material: Cast Iron ), ( Vintage Part: No ), ( Country Of Origin: Germany )

Review BMW Oem Crankshaft Crank fits 325I E46 325CI 325XI 2001–2005

The **BMW 11211432274** is an essential, high-performance replacement part designed specifically for the **E46 325i (M54B25) engine**, covering the model years **2001 through 2005** across the **325i, 325Ci, and 325xi** variants. This precision-crafted **crankshaft** is a critical component of the engine s power delivery system, engineered to withstand the rigorous demands of BMW s legendary inline-six architecture. The **M54B25** engine, renowned for its balance of reliability and performance, relies on this crankshaft to convert linear piston motion into rotational torque with near-flawless efficiency. Crafted from high-grade forged steel, this crankshaft features a **five-main-bearing journal design**, ensuring optimal stability and durability under high RPM loads, while its **counterweights** are meticulously balanced to minimize vibration and enhance smoothness critical for maintaining the 325i s signature driving dynamics. The **325Ci** and **325xi** variants, in particular, benefit from this component s precision engineering, as it supports the engine s power output while contributing to the vehicle s sport-tuned responsiveness. Whether restoring a classic E46 to factory specifications or upgrading an existing build, this **OEM-quality crankshaft** serves as a foundational element for longevity and performance, ensuring that the engine operates with the same level of precision as BMW intended. Its compatibility with the **325Ci s** roadster chassis and the **325xi s** station wagon body underscores its versatility, making it a must-have for enthusiasts seeking to preserve or enhance their E46 s mechanical integrity.

### **Pros and Cons of Buying a BMW E46 325i (2001 2005) with the M54B25 Engine**

#### **Pros**

1. **Strong Engine and Performance**

- The **M54B25** is a well-regarded inline-6 engine known for reliability when maintained properly. It produces **192 204 hp** (depending on year) and **184 193 lb-ft of torque**, offering solid acceleration and a smooth power delivery.

- The **E46 chassis** is lightweight and nimble, making it a fun car to drive, especially in its original form.

- The **5-speed manual transmission** (if available) is engaging, while the **ZF 6-speed automatic** (introduced in 2002) is smooth and durable.

2. **Classic BMW Driving Experience**

- The E46 is one of BMW s most beloved coupes and sedans, with a **sharp handling feel**, precise steering, and a well-tuned suspension (especially in early models).

- The **interior is spacious** for a compact car, with high-quality materials (in higher trims like the **325xi**).

- The **sound system** (especially in later models) is decent for its time, and aftermarket upgrades are widely available.

3. **Modding Potential**

- The M54 is **forgiving to modifications**, allowing for **turbocharging, nitrous, or engine swaps** (e.g., S50B30 for more power).

- The **E46 platform** has a strong aftermarket, with parts for suspension, brakes, and aesthetics widely available.

- **Performance chips, exhaust upgrades, and intake tweaks** can improve power and throttle response.

4. **Resale Value (for Classics)**

- While not as high as modern BMWs, the E46 holds value reasonably well, especially in **low-mileage, well-maintained examples**.

- **Restomods** (restored with modern upgrades) can appreciate significantly if done tastefully.

5. **Affordability**

- Prices are **much lower than newer BMWs**, making it an attractive entry point for BMW ownership.

- **Insurance costs** are generally lower than for modern high-value BMWs.

---

#### **Cons**

1. **Reliability Concerns (If Neglected)**

- **Rod bearing wear** (especially in high-mileage examples), leading to catastrophic engine failure if ignored.

- **Timing chain stretch** (less common than in earlier M50/M52 engines but still a risk).

- **Water pump failures** (often linked to the **thermostat housing gasket**, causing coolant leaks).

- **Oil consumption** (some engines burn oil, requiring frequent checks).

- **Transmission issues** (especially in early automatic models) can arise if not serviced properly.

2. **Maintenance Costs**

- **Regular maintenance is crucial** oil changes (every **5,000 7,500 miles**), timing belt inspection (if applicable), and fluid flushes are essential.

- **Parts can be expensive** compared to mass-market cars, though they are often cheaper than modern BMWs.

- **Electrical quirks** (e.g., faulty sensors, wiring issues) are common and can be frustrating to diagnose.

3. **Aging Chassis and Wear**

- **Suspension components** (shocks, bushings, control arms) wear out over time, leading to **rougher ride quality**.

- **Brakes** (especially rear discs) can be soft or prone to warping if not maintained.

- **Rust** is a concern in some regions, particularly on **lower control arms, subframes, and wheel wells**.

4. **Fuel Economy and Modern Standards**

- **MPG is decent ( 20 25 city, 28 32 highway)** but not as efficient as modern turbocharged engines.

- **Emissions compliance** can be an issue in some areas, though the E46 is generally street-legal.

5. **Comfort and Modern Amenities**

- **Noisy cabin** (especially with soft top coupes) due to thin panels.

- **Basic infotainment** (pre-iDrive, limited Bluetooth, no modern connectivity).

- **Heating/cooling efficiency** can be poor in extreme climates.

---

### **Conclusion and Recommendation**

#### **Who Should Buy an E46 325i?**

- **Enthusiasts who enjoy driving a classic BMW** and are willing to maintain it properly.

- **Budget-conscious buyers** who want a **fun, moddable car** without spending thousands on a new BMW.

- **Those who prioritize driving dynamics** over modern tech and luxury.

- **Owners who plan to invest time in maintenance** (or have mechanical skills) to keep the car reliable.

#### **Who Should Avoid It?**

- **Casual drivers** who want a **plug-and-play, low-maintenance** car.

- **Those who dislike mechanical work** this car requires **regular attention**.

- **People in harsh climates** (extreme cold/hot) who may struggle with aging systems.

- **Buyers who want modern safety features** (E46s lack advanced airbag systems, stability control, and modern crash structures).

#### **Final Recommendation**

If you **find a well-documented, low-mileage (under 100,000 miles) E46 325i with a clean service history**, it can be an **excellent purchase** especially if you re willing to **budget for maintenance and potential upgrades**.

1. **Get a pre-purchase inspection (PPI)** from a BMW specialist.

2. **Check for oil leaks, coolant leaks, and unusual noises** (especially under acceleration).

3. **Verify service records** (oil changes, timing belt, water pump, transmission service).

4. **Test drive thoroughly** listen for **rod knock, unusual vibrations, or transmission slippage**.

5. **Consider a used M54 engine swap** if the current one has high mileage or wear.

- **Buy used (2003 2005 models)** they re the most refined and have better reliability than early E46s.

- **Budget for a full service** (or do it yourself if comfortable).

- **Be prepared for eventual upgrades** (suspension, brakes, exhaust, etc.).

- If you want **more reliability**, look at a **BMW E39 5-series** (also M54-powered but more refined).

- If you want **modern tech**, consider a **used F30 3-series** (though less fun to drive).

- If you re **serious about performance**, a **restomod E46** (with a **S50 or S54 engine**) could be worth the investment.

The **E46 325i is a fantastic car for the right owner** one who appreciates **driving enjoyment, modding potential, and the BMW experience** while being willing to put in the effort. If you re not prepared for maintenance, **look elsewhere**. If you are, it s a **great choice** that can provide **years of fun and performance**.

Details:

Condition: Genuine OEM BMW part not aftermarket Used condition with cosmetic wear from normal use Exact item shown in photos Sold as-is. Donor Vehicle: 2003 325I. OEM PART NUMBER REFERENCE ONLY: BMW Crankshaft commonly associated with M54B25. The crankshaft is a critical internal engine component that converts piston movement into rotational force to drive.

Genuine OEM BMW Crankshaft removed from a E46 equipped with the M54B25 2.5L inline-6 engine. IMPORTANT: Donor vehicle year does not determine fitment. Used genuine OEM BMW crankshaft with normal wear consistent prior use. This OEM BMW crankshaft is designed specifically for the M54B25 engine platform and maintains factory specifications balance fitment.

part #: 11211432274 prices

• $80.89-$268.99

specifications cranshafengin:

• for models: 325i, E46, 325ci, 325xi
• for makes: Bmw
• for years: 2001-2005
• mpn: 11211432274
• part type: Crankshaft Crank
• manufacturer warranty: 1 Month
• material: Cast Iron
• vintage part: No
• country of origin: Germany

general cranshafengin:

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

shipping cranshafengin:

• service: Standard
• cost: $0.00
• type: Fixed
• transit: 5-11 Days
• class: Standard

seller cranshafengin:

• # reviews: 133
• city: Auburn, Washington
• rating: 100.0%

returns cranshafengin:

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

offer cranshafengin:

• availability: In Stock
• started: April 11, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

payments cranshafengin:

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

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