Compare X4 xDrive30e engine prices. Rebuilt B48B20A units for G02 chassis (2019-2023) with 12m unlimited mileage warranty from trusted UK suppliers.
Need a reliable replacement engine for your BMW X4 xDrive30e (PHEV)?
Engine Finders specializes in X4 xDrive30e hybrid engines with solutions for common B48 petrol engine and high-voltage battery cooling integration issues.
High-performance rebuilds with upgraded B48 timing chain and hybrid seals.
Factory-spec rebuilds with refreshed turbo and hybrid cooling components.
Inspected units with updated EGR valves and hybrid integration tests.
Direct-fit petrol-hybrid units for minimal downtime and precise ECU match.
Cleaned, tested, and tuned with hybrid-ready calibration updates.
Low-mileage units with verified history and hybrid diagnostics passed.
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW X4 xDrive30e (PHEV) replacement engines. From the B48B20A petrol unit to hybrid-integrated drivetrains, we address specific failures like timing chain stretch in the B48 and coolant leaks around the hybrid battery cooling loop. Whether you need a replacement due to injector failures or turbocharger stress on the PHEV system, we make it easy to locate the right engine, fast.
The B48B20A engine in the X4 xDrive30e is prone to timing chain wear between 2019-2021. We upgrade the OEM tensioner (part 11318648732) and chain kit per BMW Service Bulletin SI B11 03 19, ensuring long-term reliability beyond the factory design.
Unique to the xDrive30e, hybrid battery cooling failures can trigger limp mode. Our reconditioned engines include upgraded coolant pipe sets (OEM 17128626655) and pressure-tested intercoolers specific to the G02 chassis hybrid configuration.
The X4 xDrive30e’s B48 turbo (part 11657642469) often suffers premature wear due to hybrid torque demands. We supply units with reinforced bearings and upgraded oil feed lines, reducing recurrence of overboost codes (P0234) noted in UK service logs.
Unlike the non-hybrid X4, the xDrive30e suffers specific EGR cooler cracks under hybrid load. We fit remanufactured EGR units (OEM 11718587217) with stainless reinforcements, eliminating the common coolant-leak-and-smoke issue.
The B48 VANOS units (part 11368610388) in the xDrive30e wear faster due to hybrid torque blending. Our replacements are recalibrated to G02-specific ECU maps, reducing error codes like 2A87 (VANOS inlet jammed) reported in UK forums.
Owners report misfires linked to piezo injectors (OEM 13538616079) in the X4 xDrive30e. Our reconditioned engines include flow-matched injectors and updated seals, preventing the lean mixture and stalling issues seen in 2019-2020 builds.
While the B48 engine appears across models, the xDrive30e’s hybrid ECU maps differ. We pre-program engines for the G02 chassis, ensuring seamless communication with the hybrid module and avoiding drivetrain malfunction errors.
Every X4 xDrive30e engine we supply carries a 12-month UK warranty and passes MoT emissions standards. This includes hybrid emissions compliance, giving peace of mind often lacking with imported engines.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
Need a BMW X4 xDrive30e replacement engine? Owners often face issues with hybrid integration and N20 petrol unit reliability, making quality replacements essential.
The X4 xDrive30e (G02, 2019-2023) combines the 2.0L B48 petrol engine with an electric motor for hybrid efficiency. Early models faced timing chain tensioner concerns (BMW Service Bulletin SWE-18-01) and EGR-related stress due to hybrid load balancing. The high-voltage battery’s thermal management system occasionally triggers engine overheating warnings when integration falters. Unlike the 20i petrol variant, the xDrive30e’s tuned B48B20A experiences higher turbo strain due to hybrid torque demands. Chassis code G02 builds from 2019-2023 highlight these unique challenges, with updated tensioner components (OEM 11318660788) introduced to reduce failures in later years.
The X4 xDrive30e uses a petrol-hybrid drivetrain with specific engine codes tailored for the plug-in hybrid configuration. Below are the verified codes:
While B48 engines are used in other BMW models, in the X4 xDrive30e they feature unique hybrid calibration that intensifies turbo and cooling system wear patterns.
Replacement options for the X4 xDrive30e include used, reconditioned, rebuilt, and remanufactured engines. Owners should consider the hybrid-specific stress factors when choosing.
For the B48B20A in the X4 xDrive30e, remanufactured engines are recommended due to hybrid-related turbo and thermal load challenges.
A reconditioned X4 xDrive30e engine typically includes new timing chain tensioner (OEM 11318660788), fresh VANOS solenoids, updated turbo seals, and hybrid cooling system recalibration.
Each engine undergoes compression, leak-down, and hybrid load simulation tests to ensure reliability under real-world UK driving conditions.
All rebuilt and reconditioned X4 xDrive30e engines come with a standard 12-month warranty, covering key components like the timing chain, VANOS, and turbocharger.
Engine Finders is a comparison service. Warranty terms depend on the supplier, and hybrid integration issues may have limited coverage.
When your engine fails, BMW X4 xDrive30e engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.
Step 1: Engine removal using G02-specific mounts; hybrid module disconnected safely.
Step 2: Strip-down of B48 unit, inspecting chain wear; use BMW tool 119890 for tensioner check.
Step 3: Replacement of timing chain kit (11318660788) and VANOS seals to factory spec.
Step 4: Turbocharger rebuilt with updated seals to withstand hybrid torque load patterns.
Step 5: Hybrid cooling and inverter housing resealed; torque spec 25Nm on cylinder bolts.
Step 6: Full compression, leak-down, and hybrid load simulation test before refit.