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  • High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5
  • High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5
  • High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5
High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5

High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5

  • 1 - 4 Pieces
    $1,750
  • >= 5 Pieces
    $1,650

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
View product details

High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Conversion: Designed to convert reciprocating piston motion into rotational power in diesel engines, enabling efficient energy transfer for BMW 3 Series (3.0L N57) applications.
  • High-Performance Stroke: Features a 90mm stroke length optimized for diesel engine torque and durability, supporting robust power output under heavy-duty conditions.

Key features

  • 1. Forged Steel Billet Construction

    • With forged steel billet construction, ensure superior strength and durability compared to cast crankshafts*. The solid billet design withstands extreme engine stresses, extending component lifespan in high-performance diesel engines.

  • 2. Precision-Polished Surface Finish

    • With a precision-polished surface finish, reduce friction and enhance lubrication efficiency compared to standard crankshafts*. This minimizes wear and improves long-term reliability under heavy-duty operation.

  • 3. Optimized 90mm Stroke Length

    • With a 90mm stroke length, deliver enhanced torque and power output compared to shorter-stroke alternatives*. This maximizes performance in BMW 3 Series diesel engines, boosting acceleration and towing capacity.

  • 4. BMW 3 Series-Specific Engineering

    • With BMW 3 Series 3.0L diesel engine compatibility, ensure seamless integration and optimal performance in high-torque applications*. Designed for models like the N57/N5 engine, it maintains precision power transmission for demanding driving scenarios.

  • 5. CE Certified Safety & Compliance

    • With CE certification, ensure compliance with EU safety and quality regulations for automotive components*. This guarantees reliability and ease of installation in certified workshops worldwide.

Product details

High Quality Factory Price High Performance diesel Engine 4340 Billet Crankshaft Stroke 90mm for BMW 3 Series 3.0L Diesel N57 N5

The High Quality Factory Price High Performance Diesel Engine 4340 Billet Crankshaft is engineered for BMW 3 Series 3.0L Diesel engines (N57/N57B30). Crafted from high-strength steel, this billet crankshaft converts piston motion into rotational power with precision, ensuring durability and efficiency in harsh diesel engine environments.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-strength forged steelWithstands extreme thermal and mechanical stress.
Construction TypeBillet crankshaftSuperior strength vs. cast alternatives.
Stroke Length90mmOptimized for BMW N57 diesel engine power output.
CertificationCE-compliantEnsures safety and regulatory adherence.
Surface FinishPrecision-polished journals/counterweightsReduces friction, enhances lubrication.
CompatibilityBMW 3 Series (3.0L Diesel: N57/N57B30)Direct OEM fitment for seamless installation.

Customization guide

Adjustable parameters include stroke length (for performance tuning) and counterweight design (to balance engine load). Custom machining can optimize crankshaft geometry for specialized applications like high-torque diesel engines or racing modifications.

Get inspired

With a billet steel construction and precision-engineered counterweights, this crankshaft delivers unmatched durability for heavy-duty diesel engines. Whether upgrading for increased power or maintaining reliability in extreme conditions, this component ensures smooth operation and extended engine lifespan.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Torsional Strength55,000 Nm+15% (63,250 Nm)*+30% (71,500 Nm)*
Material Hardness280 HB310 HB340 HB
Surface FinishOEM-standard polishUltra-low frictionMirror finish (+20% lubrication efficiency)

Supplier's note

  1. Three Technical Breakthroughs:

    • Billet Construction: 30% stronger than cast alternatives, enabling higher load capacity.
    • Counterweight Geometry: Reduces vibration by 25% for smoother engine operation.
    • Precision Polish: Achieves 20% lower friction vs. standard finishes, extending bearing life.

  2. Version Selection Guide:

    • Base Model: Ideal for standard BMW N57 diesel engines requiring OEM-level performance.
    • Advanced Model: Suits modified engines with upgraded turbochargers or increased RPM ranges.
    • Pro Model: Designed for high-performance applications (e.g., off-road or racing) where extreme durability and reduced wear are critical.

With the Pro version’s 71,500 Nm torsional strength, users can safely handle aftermarket supercharging without compromising reliability. Pair this with its mirror finish to achieve optimal oil film retention, ensuring long-term engine protection.

Note: All performance metrics are compared to industry-standard cast crankshafts.

Frequently asked questions

  • Which billet crankshaft model suits BMW 3 Series 3.0L diesel engines (N57/N5)?

  • How do I maintain the surface finish of a BMW diesel engine billet crankshaft?

  • Why choose steel over cast iron for a BMW diesel crankshaft?

  • Can this billet crankshaft be customized for non-BMW 3 Series diesel engines?

  • Is the 4340 steel billet crankshaft CE-certified for diesel engines?

  • What advantages does a billet crankshaft offer over forged crankshafts for BMW N57 engines?

  • Does the 90mm stroke affect BMW N57 diesel engine performance?

  • Are there compatibility guarantees for BMW 5 Series diesel engines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHeavy machinery, commercial vehiclesIndustry Standard: Cast Iron (ISO 804)
Our Base: Forged Steel (ASTM A394)
Our Advanced: Forged Steel + Heat Treatment (ASTM A662)		▲ Base: 20% stronger than cast iron.
▲▲ Advanced: Enhanced fatigue resistance (CE Certified).		Advanced versions may require specialized installation.
Noise LevelLuxury cars, passenger vehiclesIndustry Standard: 45 dBA (ISO 3095)
Our Base: 42 dBA (BMW 3 Series optimized)
Our Advanced: 39 dBA (ultra-quiet design)		▲ Base: Quieter than 90% of competitors.
▲▲ Advanced: Matches electric vehicle smoothness.		Advanced may incur 15% higher cost.
Load CapacityHigh-performance engines, trucksIndustry Standard: 500 Nm (SAE J1939)
Our Base: 550 Nm (90mm stroke)
Our Advanced: 600 Nm (optimized counterweights)		▲ Base: Supports diesel N57/N5 engines.
▲▲ Advanced: Handles 20% heavier loads.		Base may not suit extreme off-road use.
DurabilityLong-haul trucks, industrial equipmentIndustry Standard: 100,000 km (ISO 6803)
Our Base: 150,000 km (ISO 6803)
Our Advanced: 200,000 km (with heat treatment)		▲ Base: 50% longer lifespan.
▲▲ Advanced: Reduces downtime by 30%.		Advanced requires premium lubrication.
CompatibilityAftermarket replacements, custom buildsIndustry Standard: Single model fit (e.g., BMW 3 Series)
Our Base: Multi-model fit (BMW 3/5 Series)
Our Advanced: Customizable for N57/N5 engines		▲ Base: Fits 3+ BMW models.
▲▲ Advanced: Tailored for diesel 3.0L engines.		Advanced customization adds 2–3 days lead time.
CustomizationRacing engines, bespoke buildsIndustry Standard: Standard designs only
Our Base: Adjustable counterweights
Our Advanced: Full customization (stroke, journals)		▲ Base: Balances 90mm stroke.
▲▲ Advanced: Meets OEM specs (ISO 286-2).		Advanced requires CAD design collaboration.

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