BMW 304-999572 Diesel Engine Piston Connecting Rod 328 2.0L SET4

( Part Type: Engine Piston Rod ), ( Donor Model: 328d ), ( Ipn: 304-999572 ), ( Miles: 172, 804 ), ( Tag: V56116 )

Review BMW 328 2.0l Diesel Engine Piston And Connecting Rod Set4 fits X3 F30 F25 TURBO 2014–2018

The **BMW 328d xDrive (F30/F25) 2.0L Turbo Diesel Engine Piston & Connecting Rod Set (Part Number: 999572)** is a high-performance, precision-engineered replacement component designed specifically for BMW s advanced inline-4 diesel powerplant, which underpins the **F30 3 Series (2012 2018) and F25 X3 (2013 2018)** models. This set comprises a meticulously crafted assembly of **forged aluminum pistons** and **high-strength connecting rods**, engineered to restore peak engine efficiency, durability, and reliability critical for maintaining the 2.0L turbo-diesel s legendary torque output and longevity. The pistons feature **optimized ring grooves and compression heights** tailored to the F30/F25 engine s combustion chamber geometry, ensuring proper sealing and heat dissipation while minimizing friction. Meanwhile, the **heat-treated connecting rods** are forged from premium steel alloys, delivering exceptional fatigue resistance and dimensional stability under the high-stress conditions of turbocharged diesel operation. This set is compatible with both **naturally aspirated and turbocharged** variants of the N47 engine, making it a versatile upgrade for owners seeking to address wear, improve performance, or mitigate issues like piston slap, rod knock, or excessive oil consumption. Whether installed as part of a routine maintenance overhaul or a performance restoration project, this **OEM-quality or aftermarket (depending on brand) set** ensures a seamless fit with the engine s crankshaft and bearings, adhering to BMW s stringent tolerances. For enthusiasts and mechanics alike, this piston and rod assembly represents a critical investment in preserving the integrity of the 328d s robust diesel architecture, offering a balance of strength, precision, and longevity to keep this iconic powertrain running at its best for thousands of additional miles.

### **Pros and Cons of Buying a BMW 328d xDrive (F30/F25, 2.0L Turbo Diesel, 2014 2018) with a New Piston & Connecting Rod Set (Part #999572)**

#### **Overview of the Vehicle**

The BMW 328d xDrive (F30 3-Series and F25 X3) with the **N47D20 2.0L turbo-diesel engine** is a well-regarded BMW model known for its balance of performance, efficiency, and refinement. The **piston and connecting rod set (part #999572)** is a common high-mileage repair for this engine, often recommended around **150,000 200,000 miles** to prevent catastrophic failure.

---

### **Pros of Buying This Vehicle with the Repair Done**

1. **Reliability After the Repair**

- The **N47D20 engine** is prone to **piston and connecting rod wear**, which can lead to **knocking, oil consumption, or catastrophic failure** if ignored. Replacing these components prevents such issues.

- A **properly installed piston and rod set** (with new bearings, rings, and gaskets) significantly extends the engine s lifespan, often adding **100,000 miles** of trouble-free operation.

- Many owners report **reduced oil consumption** and **quieter operation** after this repair.

2. **Fuel Efficiency & Cost Savings**

- The **2.0L diesel** delivers **30 35 MPG** in real-world driving, making it cheaper to fuel than gasoline equivalents.

- Diesel engines typically have **longer service intervals** (10,000 15,000 miles) compared to gasoline engines, reducing maintenance costs.

3. **Strong Performance & Driving Dynamics**

- The **N47D20 produces 190 200 HP and 280 300 lb-ft of torque**, providing **strong acceleration and towing capability** (up to **3,500 lbs** with the xDrive AWD system).

- The **xDrive AWD system** improves traction in snow and wet conditions, making it a practical choice for drivers who need all-weather capability.

4. **Resale Value & BMW Prestige**

- BMWs retain **better resale value** than many competitors, especially well-maintained diesel models.

- The **F30 3-Series and F25 X3** are **highly desirable** in the used market, with strong demand for **low-mileage, well-cared-for examples**.

5. **Availability of Parts & Aftermarket Support**

- The **N47D20 is a common BMW diesel engine**, meaning **parts are widely available** and **labor costs are reasonable**.

- **Aftermarket support** (e.g., turbo upgrades, exhaust mods) is strong, allowing for **tuning and performance enhancements** if desired.

6. **Durability of the Platform**

- The **F30 3-Series and F25 X3** share a **solid chassis and suspension**, which hold up well with **proper maintenance**.

- **Transmission (ZF 6HP21 or 6HP26)** is **reliable** if kept in good condition (fluid changes every **60,000 miles**).

7. **Diesel Advantages in Urban & Highway Driving**

- **Better low-end torque** makes highway passing and city driving **smoother** than many gasoline engines.

- **Lower running costs** over time compared to gasoline equivalents (e.g., 330i).

---

### **Cons of Buying This Vehicle with the Repair Done**

1. **Higher Upfront Cost (Especially After the Repair)**

- A **well-maintained 2014 2018 328d xDrive** with a **new piston/rod set** will cost **$25,000 $40,000 **, depending on mileage, condition, and location.

- The **piston/rod set itself ( $1,500 $2,500 installed)** is a **major expense**, so ensure the seller has **proof of the repair** (service records, receipts).

2. **Diesel-Specific Maintenance Requirements**

- **DPF (Diesel Particulate Filter) issues** can occur if the car is **mostly driven short distances** (common in cities). A **DPF regeneration cycle** may be needed every **500 700 miles** of highway driving.

- **AdBlue system** (required for emissions compliance) adds **extra fluid top-ups** ( $50 $100 per fill).

- **Diesel fuel quality** varies by region some areas have **contaminated fuel**, leading to **filter clogs or injector issues**.

3. **Potential Hidden Issues Beyond the Engine**

- **Transmission wear** (if fluid hasn t been changed recently).

- **Suspension components** (shocks, bushings) may need replacement after **100,000 miles**.

- **Electrical gremlins** (common in BMWs) such as **sensor failures, infotainment issues, or lighting problems**.

- **Rust** (if the car was driven in **snowy/salty climates** check undercarriage, wheel wells, and rocker panels).

4. **Emissions & Compliance Risks**

- **DPF and EGR system failures** can lead to **check engine lights** and **potential emissions violations** in some regions.

- **AdBlue system malfunctions** may require **expensive repairs** if ignored.

5. **Resale Depreciation (Compared to Gasoline Equivalents)**

- While BMWs hold value well, **diesel models depreciate slightly faster** than gasoline ones due to **higher maintenance costs and DPF concerns**.

- If you **rarely drive long distances**, the **DPF and AdBlue system** can become a **nuisance**.

6. **Noise & Vibration (If Not Properly Maintained)**

- A **well-repaired N47D20** should run **quietly**, but **oil leaks, turbo lag, or exhaust issues** can develop over time.

- **Turbocharger wear** (common in high-mileage diesels) may require **replacement ( $2,000 $3,500)** if the car is pushed hard.

7. **Fuel Availability & Costs**

- **Diesel fuel is often more expensive** than gasoline in some regions.

- **Finding diesel stations** can be **less convenient** in rural areas compared to gasoline.

---

### **Key Considerations Before Buying**

1. **Verify the Piston & Rod Set Repair**

- Ask for **service records** proving the **piston and connecting rod set was replaced**.

- Check for **oil consumption issues** (burning oil can indicate **valve seals or piston ring wear**).

- Listen for **knocking or rattling** (signs of **rod bearing wear** even after replacement, some noise may persist temporarily).

2. **Check for DPF & EGR Issues**

- **Clear DPF codes** and ensure the car has **recent highway miles** (to prevent clogging).

- **EGR cooler failure** (common in N47 engines) can cause **rough idling and misfires** check for **leaks or carbon buildup**.

3. **Inspect Transmission & Fluid Levels**

- **Transmission fluid should be fresh** (dark, burnt-smelling fluid indicates neglect).

- **Check for delayed shifts or harsh gear changes** (signs of **transmission wear**).

4. **Test Drive & Listen for Unusual Noises**

- **Turbo whine** (normal at high RPM).

- **Exhaust leaks** (can cause **DPF clogging**).

- **Rattling from the engine bay** (could indicate **rod knock** even after repair).

5. **Consider a Pre-Purchase Inspection (PPI)**

- A **BMW specialist** can **thoroughly check the engine, transmission, and electrical systems**.

- Costs **$150 $300** but can **save thousands** in potential repairs.

6. **Decide on Usage Needs**

- **Highway/commuter driving?** Diesel is **ideal**.

- **Mostly city driving?** **Gasoline may be better** due to **DPF concerns**.

- **Towing/heavy loads?** Diesel **torque is excellent**.

---

### **Final Recommendation**

You **need a reliable, fuel-efficient, torque-rich BMW** for **highway or mixed driving**.

You **find a well-documented example** with **proof of the piston/rod set replacement**.

You **can afford the higher upfront cost** and **are prepared for diesel-specific maintenance** (DPF, AdBlue, fuel quality).

You **plan to keep the car for 100,000 miles** the **repair justifies the investment**

Details:

Item has been fully inspected and tested found to be in good working order. There may be normal signs of wear and tear present such as scratches, scuffs, dirt, etc. The more actions option. SHIPPING DEALS: Review our shipping details before you purchase.

The pictures are the ACTUAL PICTURES OF THE ITEM FOR SALE. We subscribe to fitment software and include all relevant useful information in our listings whenever possible. And cultural preferences income levels, family sizes, typical modes of transportation, etc. Initial testing consists of starting the vehicle, running code scans, road if safe to do so, and completing an extensive inspection checklist.

After items are removed and cleaned they inspected one final time before posting. Emissions standards, side of road vehicles drive on, etc. Weather patterns cold vs. On return this item. Made for USA Vehicles: All vehicles and parts are manufactured to be sold the market.

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specifications pistonringro:

• for models: X3, F30, F25, Turbo
• for makes: Bmw
• for years: 2014-2018
• part type: Engine Piston Rod
• donor model: 328d
• ipn: 304-999572
• miles: 172, 804
• tag: V56116

seller pistonringro:

• # reviews: 31602
• rating: 99.9%
• city: Oroville, California

general pistonringro:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings

shipping pistonringro:

• type: Fixed
• service: Standard
• transit: 4-7 Days
• class: Standard
• cost: $0.00

payments pistonringro:

• wallet: Paypal
• other
• credit card: Discover

returns pistonringro:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

offer pistonringro:

• started: May 29, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

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