BMW N46B20 Engine | 320i E90 2.0L Petrol DOHC

Description

BMW N46B20 Engine – 2.0L DOHC for E90 320i

The BMW N46B20 engine is a 2.0-liter inline-4 petrol engine used in the BMW 320i E90 series (2005–2011). Known for its smooth power delivery and fuel efficiency, the N46B20 offers modern reliability while keeping the classic BMW driving dynamics intact.

As an upgrade over the older N42, the N46 features Valvetronic variable valve timing, DOHC 16-valve architecture, and double VANOS technology, delivering approximately 150–170 HP depending on variant and market. It provides balanced mid-range torque, great urban drivability, and efficient long-distance cruising.

This engine is an ideal solution for:

• Replacing a failed or high-mileage N46B20 engine

• Restorations or rebuilds of the E90 320i

• Affordable OEM-spec performance

Key Specifications:

• Engine Code: N46B20

• Displacement: 2.0L (1995cc)

• Configuration: Inline-4, DOHC, 16-valve

• Fuel System: Bosch ME9.2 with Valvetronic

• Power Output: 150–170 HP / ~200 Nm torque

• Applications: BMW E90 320i (2005–2011), also E60 520i (select markets)

All engines are compression-tested, cleaned, and include a startup warranty. Optional extras like ECU, wiring harness, intake manifold, and other ancillaries are available on request. We offer safe and secure global shipping.

Refresh your BMW 320i with the refined, reliable BMW N46B20 engine—designed for smooth, efficient performance in the premium compact class.