BMW B57D30A Engine Overview
The BMW B57D30A is a 3.0-liter inline-six turbocharged diesel engine from BMW’s modular B57 family, part of the new-generation “modular” engines introduced to replace the older N57 series. This engine is designed to deliver strong performance with refined efficiency and reduced emissions, making it a popular choice across a wide range of BMW models from 2015 onward.
Known for its smoothness, high torque output, and reliability, the B57D30A powers multiple xDrive models, offering excellent long-distance efficiency and effortless acceleration.
Compatibility
| Vehicle Model | Engine Code | Year Range | Power Output | Capacity |
|---|---|---|---|---|
| BMW 3 Series (G20, G21, G28, G80) 330d xDrive | B57D30A | 2019–2020 | 195 kW (265 hp) | 2993 cc |
| BMW 5 Series (G30, G31, F90) 530d / 530d xDrive | B57D30A | 2017–2020 | 183–195 kW (249–265 hp) | 2993 cc |
| BMW 6 GT (G32) 630d / 630d xDrive | B57D30A | 2017–2020 | 155–195 kW (211–265 hp) | 2993 cc |
| BMW 7 Series (G11, G12) 730d / 730Ld / xDrive | B57D30A | 2015–2020 | 155–195 kW (211–265 hp) | 2993 cc |
| BMW X3 (G01) xDrive30d | B57D30A | 2017–2020 | 195 kW (265 hp) | 2993 cc |
| BMW X4 (F98, G02) xDrive30d | B57D30A | 2018–2020 | 183–195 kW (249–265 hp) | 2993 cc |
| BMW X5 (G05, F95) xDrive30d | B57D30A | 2019–2020 | 183–195 kW (249–265 hp) | 2993 cc |
| BMW X6 (F96, G06) xDrive30d | B57D30A | 2019–2019 | 155–195 kW (211–265 hp) | 2993 cc |
| BMW X7 (G07) xDrive30d | B57D30A | 2019–2022 | 155–195 kW (211–265 hp) | 2993 cc |
Engine Overview
The B57D30A is a 3.0-liter inline-six diesel engine featuring:
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Common-rail direct fuel injection with piezo injectors for precise fuel metering and smooth combustion.
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Single twin-scroll variable-geometry turbocharger (VNT) for strong torque delivery across the entire rev range.
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Aluminum block and head for reduced weight and thermal efficiency.
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Double overhead camshafts (DOHC) with four valves per cylinder.
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Integrated balance shafts ensuring exceptional refinement and low vibration levels.
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Euro 6 compliant design with AdBlue (SCR) and DPF emission systems for reduced NOx and particulate output.
This engine produces between 155 kW and 195 kW (211–265 hp) and delivers torque figures up to 620 Nm, offering strong midrange response and effortless performance in both sedans and SUVs.
Key Specifications
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Engine Type: 3.0 L inline-six turbocharged diesel
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Power Output: 155 – 195 kW (211 – 265 hp)
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Torque: Up to ~620 Nm (at 2,000 RPM)
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Fuel System: Common-rail direct injection with piezo injectors
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Turbocharging: Variable-geometry turbocharger (VGT)
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Block / Head Material: Aluminum
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Valvetrain: DOHC, 24-valve
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Emission Standard: Euro 6
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Fuel Economy: Around 5.0 – 6.5 L/100 km (combined, depending on model)
Reliability and Maintenance
The B57D30A is widely regarded as one of BMW’s most refined and reliable modern diesel engines when maintained correctly. Key maintenance points include:
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Regular oil and filter changes with high-quality low-ash (LL-04) diesel oil.
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AdBlue and DPF system maintenance to avoid clogging and emission faults.
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Fuel system checks for injectors and high-pressure pump integrity.
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Turbocharger inspection for proper actuator and vane operation.
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EGR system cleaning to prevent buildup in high-mileage engines.
With proper servicing, this engine can easily exceed 300,000 km while maintaining excellent performance and fuel efficiency.
Why Choose the B57D30A Engine?
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Excellent balance of power and efficiency (up to 265 hp and 620 Nm).
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Smooth and quiet operation from inline-six architecture.
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Advanced turbo and fuel technologies for instant response.
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Compatible with a wide range of BMW xDrive and luxury models.
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Meets strict Euro 6 emissions standards.
Conclusion
The BMW B57D30A is a benchmark 3.0 L six-cylinder diesel engine combining performance, refinement, and durability. Found in models such as the BMW 330d, 530d, 630d, 730d, and X-series SUVs (X3–X7), it delivers premium diesel power with impressive reliability and efficiency. For drivers seeking strong torque, smooth cruising, and long-distance capability, the B57D30A stands out as one of BMW’s best modern diesel engines.
