BMW B57D30B Engine Overview
The BMW B57D30B is a 2,993 cc inline-six turbo-diesel from the B57 family. It’s the later, uprated “30d” calibration that replaced most B57D30A applications around 2020, adding improved emissions hardware and (in many markets) a 48-V mild-hybrid system. It delivers 210 kW (286 hp) and ~650 Nm (varies slightly by model/market), combining smooth six-cylinder refinement with excellent long-distance efficiency.
Compatibility
| Vehicle Model | Engine Code | Year Range | Power Output | Capacity |
|---|---|---|---|---|
| BMW 3 Series (G20/G21) 330d / 330d xDrive | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW 4 Series (G22/G23) 430d xDrive | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW 5 Series (G30/G31) 530d / 530d xDrive | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW 6 Series GT (G32) 630d / 630d xDrive | B57D30B | 2020–2021 (end of model) | 210 kW (286 hp) | 2993 cc |
| BMW 7 Series (G11/G12 LCI) 730d / 730Ld / xDrive | B57D30B | 2020–2022 | 210 kW (286 hp) | 2993 cc |
| BMW X3 (G01 LCI) xDrive30d | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW X4 (G02 LCI) xDrive30d | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW X5 (G05) xDrive30d | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW X6 (G06) xDrive30d | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
| BMW X7 (G07) xDrive30d | B57D30B | 2020–2023 | 210 kW (286 hp) | 2993 cc |
Notes
• Markets, emissions packages, and mild-hybrid fitment can shift the exact figures slightly.
• Higher-output 40d/340d and special M50d variants use other B57 calibrations (e.g., bi-/quad-turbo) rather than B57D30B.
Engine Overview
-
Configuration: 3.0 L inline-six turbo-diesel (single, variable-geometry turbo)
-
Injection: High-pressure common-rail with precise piezo injectors
-
Emissions: Euro 6d-Temp/Euro 6d depending on market; DPF + SCR (AdBlue); often 48-V MHEV
-
Construction: Aluminum block/head, DOHC, 24-valve, balance-shafted for smoothness
-
Outputs: ~210 kW (286 hp) and ~650 Nm (model-dependent)
-
Economy: Typically 5–7 L/100 km combined depending on body, drive, and spec
Key Specs
-
Engine Type: Inline-6, turbo-diesel
-
Displacement: 2,993 cc
-
Turbo: Single VGT
-
Fuel System: Common-rail direct injection
-
Valvetrain: DOHC, 24-valve
-
Emission Standard: Euro 6d family (region-dependent)
-
Mild-Hybrid: 48-V belt-starter generator on many models
Reliability and Maintenance
-
Oil & filter: Use BMW-approved low-SAPS oil (LL-04) at proper intervals
-
AdBlue/DPF: Keep the SCR system topped and allow periodic DPF regens
-
EGR & intake: Periodic inspection/cleaning on high-mileage urban cars
-
Turbo system: Check actuator/VGT movement and boost plumbing integrity
-
Fuel system: Maintain injector and HP pump health with quality diesel
With correct servicing, B57D30B units are known for long life and strong reliability, carrying the smoothness and torque you expect from a BMW straight-six.
Why Choose the B57D30B?
-
Across the lineup: Powers virtually all mainstream “30d” models (3/4/5/6 GT/7 and X3–X7)
-
Refined torque: Effortless mid-range for towing and autobahn cruising
-
Modern & clean: Euro-6 emissions kit and optional 48-V assistance
-
Efficient: Excellent real-world fuel economy for the performance
Conclusion
The B57D30B is BMW’s go-to “30d” engine across the entire series in the 2020s era — from sporty 3/4 Series to luxury 7 Series and the full X-range. If you’re stocking or promoting engines, list it as compatible with 330d/430d/530d/630d/730d and xDrive30d in X3–X7, highlighting the 210 kW / 286 hp spec and (where fitted) 48-V mild-hybrid.
