At Best 4×4, we specialize in delivering high-performance, reconditioned and used BMW SUV and 4×4 engines across the UK. Whether you drive a luxury BMW X5, a sporty X6 M, or the innovative all electric iX series, our expert team ensures your vehicle is powered by precision and reliability. With years of hands-on experience and a nationwide reputation for quality, we provide expertly reconditioned BMW engines that meet or exceed OEM standards. Each unit undergoes rigorous testing, guaranteeing smooth performance, extended durability, and maximum value. Whether you need a petrol, diesel, or hybrid engine, we’ve got the right fit for your BMW’s specific needs. From engine supply to professional fitting, Best 4×4 is your one-stop shop for reliable BMW SUV and 4×4 engine solutions
Specialists in BMW 4x4/X Series Engine Supply & Fit
25+ Years of Reconditioning Experience
Engines Tested, Cleaned & Rebuilt to OEM Standards
Warranty Included (3–6 Months)
Engine Codes & Compatibility Guaranteed
Nationwide Vehicle Recovery & Fitting Service
Trusted by Garages, Trade Clients & Private Owners
We provide reconditioned engine solutions for all BMW 4×4 and SUV models, including petrol, diesel, and electric variants:
Below is a curated list of popular BMW SUV (X Series) engine options, including key specifications. All engines listed are reconditioned, tested, and available with warranty. Contact Best 4×4 for real-time availability and compatibility checks.
Engine Code | Compatible Models | Value (CC) | Power (kW / HP) | Fuel Type | Year Range |
N47D20C | X1 (E84), X3 (F25), X2 (F39) | 1995 cc | 135 kW / 181 HP | Diesel | 2009–2015 |
B47D20A/B/C | X1 (F48), X2, X3 (G01), X4 (G02) | 1995 cc | 140–170 kW / 190–231 HP | Diesel | 2015–2023 |
N20B20A | X1, X3, X4 | 1997 cc | 180 kW / 241 HP | Petrol | 2011–2016 |
B48B20 | X1 (U11), X2, X3, X4 | 1998 cc | 135–185 kW / 181–248 HP | Petrol | 2017–2024 |
N57D30A/B/C | X5 (E70, F15), X6 (E71, F16) | 2993 cc | 180–230 kW / 245–313 HP | Diesel | 2008–2018 |
B57D30 | X5 (G05), X6 (G06), X7 (G07), XM | 2993 cc | 250 kW / 335 HP | Diesel | 2018–2024 |
N55B30 | X3 M40i, X4 M40i, X5 35i, X6 | 2979 cc | 225–265 kW / 302–355 HP | Petrol | 2011–2019 |
B58B30 | X3 M40i, X4 M40i, X5 40i, X7 40i | 2998 cc | 250–285 kW / 335–382 HP | Petrol | 2017–2024 |
S58B30T0 | X3 M, X4 M | 2993 cc | 353–375 kW / 473–503 HP | Petrol | 2019–2024 |
S63B44T4 | X5 M, X6 M, XM | 4395 cc | 460–485 kW / 617–650 HP | Petrol | 2015–2024 |
N74B66 (Hybrid) | XM (Plug-in Hybrid Performance) | 4395 + Electric | 550 kW / 748 HP | Petrol + Hybrid | 2022–2024 |
BMW iX1, iX3, iX, and iX5 Hydrogen use electric powertrains or hydrogen systems. These do not have traditional internal combustion engines but may require:
For EV powertrain services, please contact our electric systems support team at Best 4×4.
Problem: Rattling noise from the engine, rough idling, or warning lights.
Solution: We replace worn or stretched timing chains and guides with premium OEM-quality components during the reconditioning process.
Problem: Loss of power, excessive smoke, or whining noise under acceleration.
Solution: Faulty turbos are rebuilt or replaced as part of our comprehensive engine service to restore full boost and performance
Problem: Knocking noise from the engine or low oil pressure warnings.
Solution: We inspect and replace crankshaft bearings with precision-machined parts to prevent total engine failure.
Problem: Coolant smell, engine temperature spikes, or leaks around the radiator or water pump.
Solution: All cooling system components are pressure-tested and replaced as needed to ensure proper heat management.
Many European cars haveAProblem: Poor throttle response, rough idle, or increased fuel consumption.
Solution: Walnut blasting or chemical cleaning is performed to restore airflow and engine efficiency turbochargers to boost power. If a turbo fails, you might notice low power or smoke. Our team knows how to fix or replace turbos and get your car’s performance back to normal.
We support all BMW X Series SUVs including X1, X2, X3, X4, X5, X6, X7, XM, and electric models like iX1, iX3, and iX. We also offer services for high-performance M variants like X3 M, X5 M, and more.
Our reconditioning includes a complete engine overhaul—stripping, cleaning, machining, and replacing worn components with OEM or equivalent parts—ensuring maximum performance and longevity.
The entire process, including supply and fit, typically takes 5–7 working days depending on your model and engine type. We also offer vehicle recovery services nationwide.
Yes, all our reconditioned BMW SUV & 4×4 engines come with a minimum 6 to 12-month warranty for peace of mind and quality assurance
Absolutely! We provide free, no-obligation quotes tailored to your specific BMW model, engine code, and service needs.
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