The 2006 BMW 325i is equipped with BMW’s N52B30 3.0-liter naturally aspirated inline-6 engine, producing 215 horsepower and 185 lb-ft of torque. This aluminum engine features BMW’s Double-VANOS variable valve timing system, Valvetronic variable valve lift technology, and a magnesium-aluminum composite crankcase for weight reduction. The N52 was BMW’s first mass-production engine to use these advanced technologies together, delivering smooth power delivery characteristic of BMW’s inline-6 heritage while meeting stricter emissions standards. This engine is known for its refined operation and strong mid-range torque, making it well-suited for both city driving and highway cruising.

The 2006 BMW 325i shares many components with other E90/E91/E92/E93 3 Series models from 2006-2011, particularly the 325i, 328i, and 330i variants. Engine components from the N52 3.0L are interchangeable across 2006-2010 325i and 328i models, though some sensors and software calibrations may differ. Body panels, interior components, and suspension parts are generally compatible across the entire E90 generation (2006-2011). However, there were mid-cycle updates in 2009 that changed some electrical components and interior trim pieces. Always verify part numbers when sourcing components, as BMW made running changes throughout production that can affect compatibility even within the same model year.

Parts availability changes daily. Call us at (603) 392-7313 or visit our online shop to check current inventory from this specific vehicle. If we have sold a part you need, our Parts Broker service can source it from our network of partner yards nationwide.

Yes! We ship parts from this vehicle and our entire inventory nationwide. Most orders ship within 1-2 business days via FedEx or freight carriers for larger components like engines and transmissions. Call (603) 392-7313 for a shipping quote on any part.

The N52 3.0L engine in the 2006 BMW 325i is generally considered one of BMW’s more reliable modern engines, but it requires diligent maintenance to achieve longevity. When properly maintained with regular oil changes using BMW-approved synthetic oil, the engine can easily exceed 200,000 miles. The main reliability concerns center around the VANOS system, which requires periodic maintenance and eventual rebuilding. The all-aluminum construction makes the engine sensitive to overheating, so maintaining the cooling system is critical. Unlike some BMW engines, the N52 doesn’t have common issues with timing chains or major internal component failures. Overall, it’s a solid engine that rewards owners who stay on top of preventive maintenance and address cooling system components proactively.