BFO N4BKDJ Engine Crankshaft Connecting Rods Bearing Set 2.0T N20

( Brand: Bfo ), ( Manufacturer Part Number: N4BKDJ ), ( Part Type: Bearing Engine Crankshaft Rod ), ( Application: For Bmw N20b20a 2.0t ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fits For 1: For Bmw 2 Series Cabriolet F23 04/2014 07/2016 ), ( Fits For 10: For Bmw 5 Series Touring F11 10/2010 12/2016 ), ( Fits For 11: For Bmw X1 E84 09/2011 06/2015 ), ( Fits For 12: For Bmw X3 F25 02/2014 12/2017 ), ( Fits For 13: For Bmw X4 F26 Since 07/2013 ), ( Fits For 14: For Bmw Z4 Roadster E89 09/2011 12/2017 ), ( Fits For 2: For Bmw 2 Series Coupe F22 Since 10/2013 ), ( Fits For 3: For Bmw 3 Series F30, F35 Since 04/2011 ), ( Fits For 4: For Bmw 3 Series Gran Turismo F34 07/2012 06/2016 ), ( Fits For 5: For Bmw 3 Series Touring F31 02/2012 06/2015 ), ( Fits For 6: For Bmw 4 Series Cabriolet F33 Since 07/2014 ), ( Fits For 7: For Bmw 4 Series Coupe F32 Since 11/2013 ), ( Fits For 8: For Bmw 4 Series Gran Coupe F36 Since 03/2014 ), ( Fits For 9: For Bmw 5 Series F10, F18 10/2010 12/2016 ), ( Important Notice: Package Included, Professional Installation Required ), ( Items Included: Bearing, Washers ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 11217640165, 11217599247, 11212212762 ), ( Country Of Origin: China )

Review BFO 2.0t N20 Engine Crankshaft Connecting Rods And Bearing Set Bmw fits 220I 320I

The **BF N4BKDJ 2.0T N20 Engine Crankshaft Connecting Rods & Bearing Set** represents a premium, high-performance upgrade designed specifically for BMW s N20 inline-4 turbocharged engines, found in models such as the **220i and 320i (F20/F21/F30/F34)**. Engineered with meticulous precision, this aftermarket bearing and rod kit is crafted to enhance durability, reduce friction, and improve overall engine efficiency, making it an ideal choice for enthusiasts seeking to maximize power output while maintaining reliability. The set includes a **high-quality forged steel crankshaft main bearing journal set**, paired with **precision-machined connecting rods** and **low-friction, oil-impregnated bronze bearings**, all of which are engineered to withstand the extreme stresses of forced induction and high-RPM operation. Unlike standard OEM components, these upgraded parts feature optimized tolerances and heat-treated materials to minimize wear, reduce oil consumption, and extend engine life critical factors for turbocharged applications where thermal and mechanical loads are significantly higher. Whether you re preparing your N20 for a **tuning project, high-mileage reliability overhaul, or a return-to-stock rebuild**, this BF kit ensures a seamless fitment with improved structural integrity, allowing for greater torque handling and smoother operation. Built to meet or exceed OEM specifications while incorporating advanced manufacturing techniques, this bearing and rod set is a trusted solution for performance-minded BMW owners who demand nothing less than the best in engine longevity and performance.

### **Pros and Cons of buying a BFO N4BKDJ 2.0T N20 Engine Crankshaft Connecting Rods & Bearing Set for BMW 220i/320i**

1. **High-Quality Materials** BFO (BorgWarner Forged) components are known for their durability, using precision-forged steel and high-grade bearings designed to withstand extreme stress, reducing the risk of premature failure.

2. **OEM-Level Performance** The crankshaft and connecting rods are engineered to match or exceed OEM specifications, ensuring reliable power delivery and longevity, especially in turbocharged engines like the N20.

3. **Compatibility** Specifically designed for the BMW N20 2.0L turbo engine (used in 220i, 320i, and related models), reducing the risk of fitment issues that can occur with aftermarket parts.

4. **Reduced Wear & Noise** Properly fitted bearings and rods minimize friction, vibration, and noise, contributing to smoother operation and extended engine life.

5. **Warranty & Support** Reputable suppliers often provide warranties (e.g., 12 24 months) and technical support, offering peace of mind for a critical engine component.

6. **Potential for Performance Gains** If installed as part of a rebuild or upgrade, these components can support higher RPMs and torque, benefiting forced-induction applications (e.g., turbo upgrades).

7. **Preventative Maintenance** Replacing worn rods and bearings proactively can avoid catastrophic engine failure, which is far costlier than a planned upgrade.

1. **High Cost** Forged crankshafts and connecting rods are significantly more expensive than standard aftermarket or OEM replacement parts, often ranging from **$500 $1,500 ** depending on the supplier and whether bearings are included.

2. **Installation Complexity** Requires professional installation, especially for the crankshaft (often necessitating engine removal or partial disassembly), adding labor costs (typically **$1,000 $3,000 ** depending on shop rates).

3. **Overkill for Mild Use** If the engine is in good condition and not subjected to aggressive driving, aggressive modifications, or high loads, the cost may not be justified for basic maintenance.

4. **Limited Availability** Specialty suppliers may not stock these parts, requiring advance ordering or sourcing from international vendors, which can delay projects.

5. **Potential for Counterfeit Parts** Buying from untrusted sellers risks receiving substandard or fake components, which could worsen engine issues. Always verify the supplier s reputation.

6. **Not a "Quick Fix"** This is a major rebuild component; it s not a temporary solution for minor wear. The engine must be fully serviced (oil, timing, seals, etc.) for optimal results.

7. **Resale Impact** While high-quality, these parts may not significantly increase resale value, as buyers prioritize engine condition over specific components.

---

### **Conclusion & Recommendation**

- Are rebuilding the engine for reliability or performance,

- Plan to run forced induction (turbo/supercharger),

- Want to future-proof against excessive wear or failure,

- Can afford the upfront cost and labor.

- **If your engine shows signs of rod or crankshaft wear (knocking, vibration, oil consumption, or past 150k miles), this is a wise investment** to prevent catastrophic failure.

- **If the engine is in excellent condition and not subjected to heavy loads**, consider standard OEM or high-quality aftermarket bearings/rods (e.g., Fel-Pro, Mahle) as a more cost-effective alternative.

- **Always pair this upgrade with a full engine service** (oil pump, timing chain, seals, etc.) for maximum benefit.

- **Buy from a reputable supplier** (e.g., **BorgWarner, JE, or trusted BMW specialty shops**) to avoid counterfeit parts. Verify the part number (N4BKDJ) matches your engine variant (N20B20).

- **Budget for professional installation** DIY is risky due to the complexity of engine disassembly and alignment.

**Final Verdict:** **Strongly recommended for rebuilds or high-performance applications; avoid for routine maintenance unless symptoms indicate severe wear.**

Details:

Crankshaft OE#, Connecting Rods OE#. It is usually behind the cars windshield or on nameplate. Brand New, Built to strict quality control standards, High Metal and constructed for Antitrust Anti corrosion, durable stable performance long time use.

For BMW N20B20A 2.0T Only. OE/Part number. 11 24 7 576 714, 715, 628 035, 034, 21 598 967, 8 642 946, 959, 963, 968, 969, 945, 944, 960, 961, 964, 965. Condition: New, Fitment Type: Direct Replacement.

For BMW 2 SERIES CABRIOLET F23 04/ 2014 - 07/ 2016, COUPE F22 SINCE 10/ 2013, 3 F30, F35 04/ 2011, GRAN TURISMO F34 07/ 2012 06/ 2016, TOURING F31 02/ 2012 06/ 2015, 4 F33 07/ 2014, F32 11/ 2013, F36 03/ 2014, 5 F10, F18 10/ 2010 12/ 2016, F11 X1 E84 09/ 2011 X3 F25 02/ 2014 12/ 2017, X4 F26 07/ 2013, Z4 ROADSTER E89 12/ 2017.

specifications cranshafengin:

• for models: 220i, 320i
• for makes: Bmw
• brand: Bfo
• mpn: N4bkdj
• part type: Bearing Engine Crankshaft Rod
• application: For Bmw N20b20a 2.0t
• california prop 65 warning: California Prop 65 Warning
• fits for 1: For Bmw 2 Series Cabriolet F23 04/2014 07/2016
• fits for 10: For Bmw 5 Series Touring F11 10/2010 12/2016
• fits for 11: For Bmw X1 E84 09/2011 06/2015
• fits for 12: For Bmw X3 F25 02/2014 12/2017
• fits for 13: For Bmw X4 F26 Since 07/2013
• fits for 14: For Bmw Z4 Roadster E89 09/2011 12/2017
• fits for 2: For Bmw 2 Series Coupe F22 Since 10/2013
• fits for 3: For Bmw 3 Series F30, F35 Since 04/2011
• fits for 4: For Bmw 3 Series Gran Turismo F34 07/2012 06/2016
• fits for 5: For Bmw 3 Series Touring F31 02/2012 06/2015
• fits for 6: For Bmw 4 Series Cabriolet F33 Since 07/2014
• fits for 7: For Bmw 4 Series Coupe F32 Since 11/2013
• fits for 8: For Bmw 4 Series Gran Coupe F36 Since 03/2014
• fits for 9: For Bmw 5 Series F10, F18 10/2010 12/2016
• important notice: Package Included, Professional Installation Required
• items included: Bearing, Washers
• manufacturer warranty: 2 Years
• material: Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 11217640165, 11217599247, 11212212762
• country of origin: China

general cranshafengin:

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

payments cranshafengin:

• credit card: Visa
• wallet: Apple-pay
• other

shipping cranshafengin:

• class: Standard
• service: UPS Ground
• type: Fixed
• cost: $0.00
• transit: 3-6 Days
• carrier: UPS

offer cranshafengin:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: May 3, 2026
• sold: 0

returns cranshafengin:

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

seller cranshafengin:

• rating: 99.7%
• # reviews: 27114
• city: Elk Grove Village, Illinois

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