BMW N57D30A 3.0L diesel engine.

BMW N57D30A 3.0L diesel engine

Specifications and Compatibility.

 BMW N57D30A 3.0L diesel engine is a highly respected member of BMW’s modern diesel lineup, offering an exceptional balance of performance, refinement, and long-term durability. Engineered with a robust aluminium construction and advanced fuel delivery technology, the N57D30A delivers smooth, effortless torque throughout the rev range while maintaining outstanding fuel efficiency. 

Its advanced Common Rail injection system, paired with a sophisticated turbocharging setup, ensures a clean burn, lower emissions, and responsive power—making it a top choice for drivers seeking a powerful and reliable replacement diesel engine.

This 3.0L N57D30A engine was commonly fitted in the BMW F31 330d Touring (2012–2019), giving it the perfect combination of practicality and sports performance. The engine is also widely used across multiple BMW models in the same generation, including the F30 330d sedan, F10/F11 530d, F25 X3 30d, F15 X5 30d, and certain F32/F33 430dmodels. This broad compatibility makes the N57D30A an excellent option for customers seeking a dependable replacement engine or a performance-oriented diesel upgrade with proven BMW engineering.

 Common weaknesses and Maintenance.

In terms of performance specifications, the N57D30A displaces 2,993 cc and produces around 258 horsepower and up to 560 Nm of torque, depending on the specific configuration and model year. This impressive torque output delivers strong acceleration and effortless long-distance cruising. Also the engine features aluminium block and head construction, a high-pressure fuel system for efficient combustion, and a precision-engineered turbocharger for responsive power. Combined with BMW’s advanced cooling and emission systems, the N57 provides a refined, quiet, and efficient diesel driving experience.

While the N57 series is known for its reliability, there are a few common weaknesses to consider. Over time, timing chain wear can develop, especially on high-mileage engines, potentially leading to rattling noise if not addressed early. Some units also experience EGR valve carbon build-up, which can cause rough idling or reduced performance if ignored. Intake manifold clogging from soot buildup is another known issue on diesel BMWs, though routinely cleaning the system prevents major problems. In addition, turbocharger wear may occur on engines that have not received regular oil changes or have been driven under heavy load for extended periods.

To ensure long-term reliability, consistent maintenance is essential. Regular oil and filter changes using high-quality synthetic diesel oil, periodic EGR and intake cleaning, and proactive timing chain inspections are strongly recommended. Moreover with proper care, the BMW N57D30A 3.0L diesel engine is capable of delivering exceptional longevity, powerful performance, and excellent fuel economy—making it one of the most trusted diesel engines in BMW’s modern lineup.