Description BMW N52B25A Engine – 2.5L Inline-6 for E90 325i The BMW N52B25A is a 2.5-liter inline-6 petrol engine, featured in the BMW E90 325i (2005–2010). Renowned for its silky smooth power delivery, Valvetronic technology, and lightweight construction, the N52B25A is a superb blend of performance, efficiency, and modern engineering. This engine delivers up to 218 HP (160 kW) and 250 Nm of torque, offering linear acceleration and excellent refinement. The magnesium-aluminum composite engine block, combined with double VANOS and Valvetronic variable valve timing, makes it one of the most advanced naturally aspirated engines of its time. Ideal for: Engine replacements or rebuilds for E90 325i Restoration projects seeking OEM performance Upgrades in compatible BMW models Key Specifications: Engine Code: N52B25A Displacement: 2.5L (2497cc) Configuration: Inline-6, DOHC, 24-valve Fuel Type: Petrol Power Output: Up to 218 HP / 250 Nm Features: Valvetronic, Double VANOS, lightweight alloy/magnesium block Applications: BMW 325i E90, E91, E92, E60 525i (select models) All units are tested, cleaned, and come with a startup warranty. Optional accessories—ECU, wiring harness, manifolds, and more—available on request. Worldwide shipping available with safe and secure packaging. Reignite the driving spirit of your BMW 325i with the powerful and refined N52B25A engine—engineered for true BMW performance and reliability.
