1. Engine Crankshafts Products
  2. sku: 20452401239941871
  3. LABWORK LAW294036

LABWORK LAW294036 Crankshaft Big End Bearings Diesel 3.0 N57

fits make: Bmw.

Law294036 Labwork Crankshaft With Main And Big End Bearings For Bmw 3.0 N57 D30 Diesel

( Brand: Labwork ), ( Manufacturer Part Number: LAW294036 ), ( Country Of Origin: United States ), ( Items Included: Big End Bearings, Bearing, Crankshaft, Main Crankshaft Bearings ), ( Oe/oem Part Number: 11217809375, 11217799970, 7799970, 11218517939 ), ( Type: Engine Rebuild Kit ), ( Compatible Part Numbers: N / A ), ( Compatible Engine Codes: N57d30a N57d30b ), ( Manufacturer Warranty: 1 Year )

Review LABWORK Crankshaft Main And Big End Bearings Bmw 3.0 N57 Diesel fits D30

The **Labwork LAW294036 Crankshaft Big End Bearings** are a premium, high-performance replacement solution specifically engineered for BMW s **N57 D30 diesel engine**, a robust and high-output powerplant renowned for its durability and efficiency. These bearings are meticulously crafted to meet or exceed OEM specifications, ensuring seamless compatibility with the engine s critical big-end journal surfaces, which bear the immense forces generated during high-torque diesel operation. Constructed from a **high-grade, lead-free aluminum alloy** reinforced with a **thin, durable chromium-molybdenum steel backing**, these bearings deliver exceptional load-bearing capacity, resistance to wear, and superior fatigue strength qualities essential for maintaining optimal engine performance and longevity, even under demanding conditions. The precision-machined shell design guarantees an exact fit within the crankshaft s main and connecting rod journals, minimizing friction and preventing premature wear, while the optimized oil retention properties ensure consistent lubrication even at elevated temperatures. Ideal for both professional mechanics and DIY enthusiasts, these bearings are a trusted choice for engine rebuilds, performance upgrades, or routine maintenance, offering a reliable alternative to aftermarket or OEM parts while adhering to strict quality control standards. Whether restoring stock power or pushing the limits of aftermarket tuning, the **LAW294036 bearings** provide the structural integrity and performance reliability required to keep the N57 D30 diesel running smoothly for thousands of additional miles.

### **Pros and Cons of Buying Labwork Law294036 Crankshaft Big End Bearings for BMW N57 D30 Diesel**

#### **Pros:**

1. **OEM Quality and Compatibility** Labwork is a reputable manufacturer known for producing high-quality aftermarket bearings that closely match OEM specifications. These bearings are designed specifically for the BMW N57 engine, ensuring proper fit and performance.

2. **Durability and Performance** The Law294036 bearings are made from high-grade materials, including steel-backed shells with a robust coating, which enhances load-bearing capacity and reduces wear. This can contribute to longer engine life, especially in high-stress applications like diesel engines.

3. **Reduced Oil Consumption and Leakage** Properly fitted big end bearings help maintain optimal oil flow and sealing, reducing the risk of oil leaks and excessive oil consumption a common issue in older or high-mileage N57 engines.

4. **Compatibility with Upgrades** If you ve modified your N57 (e.g., turbo upgrades, forced induction, or performance tuning), these bearings can support increased stress on the crankshaft, helping prevent premature failure.

5. **Warranty and Reliability** Labwork products often come with warranties, and their reputation for reliability makes them a safer choice compared to cheaper, unknown brands that may fail prematurely.

6. **Easier Installation** Since these bearings are designed for the N57, they should fit correctly without excessive machining or modification, reducing installation complexity compared to generic bearings.

7. **Cost-Effective Long-Term Solution** While the upfront cost may be higher than budget alternatives, the longevity and performance benefits often justify the investment, especially in high-mileage or performance-oriented engines.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to generic or no-name bearings, Labwork Law294036 bearings are more expensive. This may be a deterrent for budget-conscious buyers, though the trade-off in quality is significant.

2. **Requires Professional Installation** While the bearings themselves are designed for easy fitment, improper installation (e.g., incorrect torque, misalignment, or contamination) can lead to failure. This means relying on a skilled mechanic, adding to labor costs.

3. **Potential Overkill for Stock Engines** If your N57 is in excellent condition with low mileage and no modifications, these bearings may be unnecessary. In such cases, OEM bearings (if available) or a trusted aftermarket alternative might suffice.

4. **Limited Availability and Lead Times** Depending on the region, these bearings may not be as widely stocked as more common parts. Ordering may require advance planning or sourcing from specialty suppliers, which could delay repairs.

5. **Risk of Counterfeit Products** As with any high-quality aftermarket part, there is a risk of counterfeit or substandard copies being sold under the Labwork brand. Purchasing from authorized dealers or reputable online retailers (e.g., BMW-specific forums, trusted e-commerce platforms) mitigates this risk but requires due diligence.

6. **Additional Maintenance Considerations** If you re replacing bearings due to wear, it s often recommended to also inspect or replace other components (e.g., crankshaft journals, connecting rods, or oil pump) to prevent future issues. This adds to the overall cost and effort.

7. **Not a Permanent Fix for Underlying Issues** If the engine s failure was caused by poor maintenance (e.g., neglecting oil changes, using incorrect oil, or ignoring warning signs), replacing bearings alone won t address the root cause. Addressing these factors is crucial for long-term reliability.

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### **Conclusion:**

The **Labwork Law294036 crankshaft big end bearings** are a **high-quality, reliable choice** for BMW N57 D30 diesel engines, particularly for owners seeking durability, performance, and peace of mind. They are well-suited for **high-mileage engines, modified setups, or those experiencing bearing-related issues**. However, the **higher cost, need for professional installation, and potential overkill for stock engines** must be weighed against the benefits.

For **stock or near-stock N57 engines with no signs of severe wear**, a cost-effective alternative (such as OEM bearings or a trusted aftermarket brand like **Fel-Pro or Mahle**) might be sufficient. But if you prioritize **long-term reliability, performance, or have a modified engine**, Labwork is a **strong recommendation**.

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### **Final Recommendation:** - **Buy Labwork Law294036 bearings if:**

- Your N57 engine has high mileage, shows signs of bearing wear, or has been modified.

- You want a **premium, long-lasting solution** that reduces the risk of catastrophic failure.

- You re willing to invest in **professional installation** to ensure proper fitment.

- **Consider alternatives if:**

- Your engine is in good condition with low mileage and no modifications.

- You re on a tight budget and can find a **reputable OEM or mid-range aftermarket bearing** (e.g., **Fel-Pro 2000 series, Mahle M110, or Schaeffler LK**) that meets your needs.

- You re unsure about the root cause of the issue (e.g., oil contamination, misalignment) and want to diagnose further before committing to a bearing replacement.

**Always source from authorized dealers or trusted sellers** to avoid counterfeit products. If in doubt, consult a **BMW specialist or diesel engine expert** to confirm whether these bearings are the best fit for your specific situation.

Details:

Warranty for defective items excluding damaged and/or misused after receipt. 100% New and High Quality, Easy Installation, 1 Year Warranty, Same Quality With Lower Cost, -State-Of-The-Art Manufacturing Equipment, Quality Assurance, Built To Strict Control Standards. Main Crankshaft Bearings. You can add a banner for this Others as header and here.

For Bmw 3/5 6 7 Series 3.0 Diesel N57D30. New List Item. Labwork Crankshaft With Main And Big End Bearings For BMW 3.0 N57 D30 Diesel About. W/o Product Instruction.

part #: law294036 price

  • $441.33

specifications cranshafengin:

  • for makes: Bmw
  • brand: Labwork
  • mpn: Law294036
  • country of origin: United States
  • items included: Big End Bearings, Bearing, Crankshaft, Main Crankshaft Bearings
  • oe/oem part number: 11217809375, 11217799970, 7799970, 11218517939
  • type: Engine Rebuild Kit
  • compatible part numbers: N / A
  • compatible engine codes: N57d30a N57d30b
  • manufacturer warranty: 1 Year

offer cranshafengin:

  • best offers: True
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: May 20, 2026

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  • policy: Returns Accepted
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  • time: 30 Days

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  • cost: $0.00
  • type: Fixed
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  • city: Monroe Township, New Jersey
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  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

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for makes: bmw, country of origin: united states, items included: big end bearings, bearing, crankshaft, main crankshaft bearings, oe/oem part number: 11217809375, 11217799970, 7799970, 11218517939, type: engine rebuild kit, compatible part numbers: n / a, compatible engine codes: n57d30a n57d30b, manufacturer warranty: 1 year,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 20452401239941871,
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  • New. Offer #1 priced at $441.33 + $0.00 shipping estimate = $441.33* total. Features -100% New and High Quality -Easy Installation -1 Year Warranty -Same Quality With Lower Cost -State-Of-The-Art Manufacturing Equipment -Quality Assurance -Built To Strict Quality Control Standards Fitment For Bmw 3 5 6 7 Series 3.0 Diesel N57D30 Package Includes Big End Bearings Crankshaft Main Crankshaft Bearings.FREE SHIPPING

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