2.0L N46B20 Low Failure Rate Engine Assembly for BMW 318i 320i 520i X1

Professional Technical Specifications and Timeless Applications

TheFuchuan BMW N46B20 Engine Assembly is a DOHC 16-valve unit that utilizes an aluminum-alloy block and head, prioritizing weight balance and thermal efficiency. Unlike the later turbo engines, the N46B20 is celebrated for its linear power delivery and mechanical simplicity. Key technical data include:

• Displacement: 1,995 cc (2.0L)

• Bore x Stroke: 84.0 mm × 90.0 mm

• Compression Ratio:10.5:1

• Power Output: Approx. 100–115 kW (136–156 hp) @ 5750–6000 rpm

• Torque: 180–200 Nm @ 3250–3750 rpm

This unit is the primary powertrain for legendary high-volume models such as the BMW 3 Series (E90/E91/E92 320i),5 Series (E60 520i),1 Series (E87 120i),X1 (E84 sDrive18i), and X3 (E83 2.0i). Stocking the Fuchuan BMW N46B20 Engine Assembly allows your business to capture the steady demand from owners of these enduring vehicle platforms.

Valvetronic Mastery and Refined Mechanical Architecture

A defining characteristic of the Fuchuan BMW N46B20 Engine Assembly is its advanced valvetrain. It features the first-generation Valvetronic system combined with Double-VANOS, which allows the engine to breathe without a traditional throttle plate, significantly improving fuel economy and engine response. Our manufacturing process ensures that the eccentric shafts and intermediate levers are calibrated to micro-tolerances. The Fuchuan BMW N46B20 Engine Assembly also utilizes dual-balance shafts to eliminate the inherent secondary vibrations of a four-cylinder layout, providing the"silky"operation that BMW customers expect from the brand’s larger straight-six engines.

Stringent Quality Control and Multi-Phase Hot-Run Validation

To safeguard the interests of our international B2B partners, every Fuchuan BMW N46B20 Engine Assembly undergoes a rigorous quality validation sequence. Given the N46's reliance on precise oil pressure for its variable valve timing and lift systems, each unit is subjected to a mandatory hot-run test. During this verification, our engineers monitor oil pressure stability, VANOS solenoid response, and the integrity of the cooling system at peak operational temperatures. We also perform a 100% compression test on all cylinders to ensure factory-standard output. This commitment to quality ensures that each Fuchuan BMW N46B20 Engine Assembly arrives at your warehouse in peak condition, backed by our professional 12-month factory warranty.

Scalable Supply Chain and Global B2B Logistics

Guangzhou Fuchuan is more than just a manufacturer; we are a dedicated partner in the global engine aftermarket. We maintain a robust inventory of the Fuchuan BMW N46B20 Engine Assembly to facilitate the rapid fulfillment of bulk container orders for international distributors. To protect your investment, each Fuchuan BMW N46B20 Engine Assembly is treated with industrial-grade anti-oxidation spray and secured in reinforced, export-standard plywood crates to prevent transit damage. With our 24/7 technical support and deep expertise in customs documentation, we make the process of importing the Fuchuan BMW N46B20 Engine Assembly seamless and highly profitable for wholesalers worldwide.