BMW's flagship electric SUV, built on a dedicated EV platform with a carbon fiber-reinforced passenger cell and aluminum spaceframe. The xDrive40 uses the 5th generation eDrive system with dual motors producing 326 hp and a 76.6 kWh usable battery for around 370-420 km of real-world range. Available with optional air suspension and rear-wheel steering, it sits above the iX3 in BMW's EV lineup. A mid-cycle update in early 2025 brought revised styling and a new xDrive45 variant.· more· less
Robust 5th gen eDrive powertrainExcellent ride and cabin refinement
Recall-heavy early production carsExpensive windshield and glass repairs
Buy if: You want a refined premium electric SUV with strong driving dynamics and can verify all recall work has been completed.
Avoid if: You leave the car parked for weeks without a charger, or cannot budget for expensive glass and suspension component repairs.
Price & maintenance
Used price
€45,900
median asking price, typically 50,000 km
Typical range€42,900 – €49,000
Kilometres drivenAll
Maintenance cost
€750 – €1,500/year
at 15,000 km/year
Fixed costsservice, tyres, brakes€400 – €750 /yr
Risk bufferunplanned repairs€350 – €750 /yr
Price estimates are based on German asking prices. Prices and costs vary by vehicle condition and location.
Ownership costs
Maintenance assumes 15,000 km a year. Price estimates are based on German asking prices. Prices and costs vary by vehicle condition and location.
Auxiliary battery drains within 1-3 weeks if car is not driven or plugged in · more· less
A well-documented characteristic across BMW EVs including the iX. The car draws continuous power for connectivity modules, thermal management monitoring, and alarm systems even when parked. The 12V AGM battery typically depletes within 1-3 weeks of inactivity, triggering cascading warnings and eventually preventing the car from starting despite a fully charged main battery. Replacement costs around €200-400 including coding at BMW. Battery lifespan is typically 3-5 years. The simplest prevention is keeping the car plugged into a charger when parked for extended periods, as the HV battery will maintain the 12V system. A quality trickle charger (CTEK MXS 5.0 or similar) also works if home charging is unavailable.
Drive motor software shutdown (recall)
€0 - 2002 of 8
Software erroneously triggers high-voltage system shutdown, causing sudden loss of drive power · more· less
BMW recalled over 70,000 EVs (including approximately 25,280 iX models built 2022-2024) for a drive motor software issue that could shut down the high-voltage system while driving. The software misinterprets certain electrical conditions and triggers an unnecessary fail-safe shutdown, resulting in a sudden loss of propulsion. BMW initially investigated isolated reports starting in 2021 but could not pinpoint the cause until after extensive analysis. The fix is a free software update available at dealers or via over-the-air update. Verify this recall has been completed before purchase. If not yet applied, the update itself costs nothing, but the underlying risk of sudden power loss while driving makes pre-purchase verification critical.
Infotainment system glitches and reboots
€0 - 5003 of 8
iDrive 8 screen goes black, freezes, or reboots spontaneously while driving · more· less
Multiple iX owners report the central display going black for 30-60 seconds then rebooting, especially on early 2022-2023 cars running older software versions. When the screen is down, navigation, climate controls, reversing camera, and charging status are all unavailable. Some owners also report CarPlay/Android Auto disconnections, lagging response, and random warning messages at startup that disappear after a moment. A soft reboot (hold volume knob for 20-30 seconds) resolves most incidents. BMW has pushed multiple OTA updates to improve stability, and cars running iDrive software version .63 or later are significantly better. If the system continues crashing after updates, the head unit may need replacement (€300-500 at a specialist). Early production cars (November 2021 through early 2023) are most affected.
Heat pump / HVAC compressor failure
€1,500 - 4,0004 of 8
Electric AC compressor fails, disabling cabin heating and potentially battery thermal management · more· less
The iX uses an electric heat pump system for both cabin climate control and battery thermal management. Failures have been documented across BMW EVs (iX, i4, i7), with some owners reporting the heat pump stopping intermittently (heat works for 30 minutes then cuts out) or failing completely. In a severe failure mode, the compressor can send metal shavings through the entire refrigerant circuit, requiring replacement of multiple components. Since the same compressor circuit manages battery cooling, a failed compressor can trigger reduced charging speeds or even vehicle shutdown in extreme temperatures. BMW covers this under warranty during the standard period. Out of warranty, parts and labor range from €1,500 for a straightforward compressor swap to €3,000-4,000 if contamination has spread through the system.
Air suspension component failure (if equipped)
€800 - 3,0005 of 8
Air spring leaks, compressor wear, or valve block failures on cars with adaptive air suspension · more· less
The optional 2-axle adaptive air suspension adds comfort but also introduces failure points. Common issues include air spring bellows developing leaks (typically after 60,000-100,000 km), compressor wear from overwork due to small leaks, and valve block failures. One owner reported an air suspension valve replacement at €780. Individual air spring replacement costs approximately €800-1,000 per corner. The compressor itself runs €1,500-2,500 replaced at a BMW dealer. Cars with standard steel springs avoid this issue entirely. If inspecting an air suspension-equipped iX, check that the car sits level after being parked overnight and listen for compressor cycling on startup.
Steering gear service action / rear-wheel steering issues
€0 - 2,5006 of 8
Steering rack replacement service action affects cars built through November 2022; rear steering actuators can also fail · more· less
BMW issued a service action (I20B32 03 24) for iX models built through November 2022, requiring steering gear replacement and vehicle reprogramming. The repair takes approximately one full day, with an additional day for programming. Some owners reported three-week waits for parts due to approximately 15,000 steering racks being on backorder. For cars with optional rear-wheel steering, the rear actuators can develop faults separately, with replacement costs around €2,000-2,500. Verify with BMW using the VIN whether the steering service action applies to the specific vehicle and whether it has been completed.
Windshield and panoramic roof glass damage
€1,500 - 7,0007 of 8
Curved windshield with ADAS cameras is extremely expensive to replace; panoramic roof glass cracks reported · more· less
The iX features a large curved windshield with integrated ADAS cameras and sensors. Replacement is significantly more expensive than a conventional windshield due to the glass shape, HUD layer (if equipped), and mandatory ADAS camera recalibration. BMW dealer quotes for windshield replacement typically range from €2,500-3,500. The panoramic roof glass has also been reported to crack spontaneously in some cases, with replacement costs of €3,000-7,000 depending on which panels are affected. While glass damage is unpredictable and not specific to the iX, the replacement costs are notably higher than average. Comprehensive insurance with glass coverage is strongly recommended.
HV battery cell monitoring circuit fault (recall)
€0 - 5008 of 8
Manufacturing defect in battery cell monitoring can cause power loss or fire risk in rare cases · more· less
BMW recalled certain 2021-2022 iX models for a high-voltage battery manufacturing defect where cell monitoring circuit connections may be improperly secured. This can lead to battery module failures, triggering warnings, loss of drive power, or in extreme cases, an increased fire risk. BMW replaces affected battery modules under the recall at no cost. Verify completion using the VIN before purchase. The recall addresses a manufacturing-specific issue rather than a design flaw, meaning properly assembled batteries are not at risk. No systemic pattern of HV battery failures has emerged beyond the recalled population.
Software-heavy early issues, solid hardware fundamentals
The iX xDrive40 has proven hardware fundamentals (5th gen eDrive motors and battery show minimal degradation), but its complexity and early production recall history require careful pre-purchase verification. Most serious issues (drive motor shutdown, battery cell monitoring, steering gear) are addressed via recalls and service actions at no cost if completed. The main ongoing ownership risks are 12V battery drain, software glitches, and expensive repairs if the optional air suspension or heat pump fails outside warranty. Cars built from late 2023 onward generally have fewer issues due to production refinements and software maturity.
Service history
Complete BMW dealer or authorized EV specialist records essential. Verify all software updates have been applied.
Tires
Check tread depth, age, and uneven wear. The iX wears rear tires faster. 21-inch wheels are expensive to replace.
Test drive
Minimum 30 minutes including highway speeds. Test regenerative braking, ADAS functions, and climate system.
12V battery age
Check date code on the 12V battery. If original and over 3 years old, factor in near-term replacement.
Specific for this vehicle
Verify all recall work completed via BMW VIN check
Check for battery cell monitoring, drive motor software, airbag, and steering gear service actions. Multiple recalls affect 2022-2023 models.
Test AC and DC charging during the viewing
Plug in and verify AC charging initiates and holds. If possible, test DC fast charging. Charge port actuator and onboard charger failures are documented.
Check air suspension leveling (if equipped)
After the car has been parked overnight, verify all four corners sit level. Listen for compressor cycling at startup. Uneven ride height indicates a leak.
+ 3 more checksShow less
Inspect windshield and panoramic roof glass
Look for any chips, cracks, or delamination in the curved windshield and panoramic roof. Replacement costs are €2,500-7,000.
Run BMW ISTA diagnostics for stored fault codes
Request a full diagnostic scan. Check for any stored HV battery, motor, or steering-related faults even if no warning lights are currently active.
Test heat pump operation in all modes
Run heating and cooling for several minutes. Intermittent heat pump failure may only appear after extended use. Note any sudden drop in cabin temperature.
Central Information Display in Valet Mode (2022-2023 builds)Verify completed
A-pillar panel holder not properly secured (2020-2021 builds)Verify completed
Steering gear replacement service action (builds through Nov 2022)Verify completed
The BMW iX has a significant number of recalls and service actions, particularly affecting 2022-2023 production. Contact BMW with the VIN to verify all campaigns have been completed. The drive motor software and HV battery recalls are especially important to confirm before purchase.
Warranty Status
Factory warranty (2 years, 3 years from Nov 2016)Expired on most used iX models (2021-2023 builds)
HV battery warranty (8 years / 160,000 km)Active on all iX models, 70% capacity guarantee
Electric drivetrain warranty8 years / 160,000 km (motors, inverter, power electronics)
Rust perforation warranty (12 years)Active on all iX models
Most used iX models from 2021-2023 are now outside the 3-year factory warranty. However, the 8-year HV battery and drivetrain warranty remains active and covers the most expensive potential failures. Verify remaining warranty coverage with BMW using the exact production date.
Sources: Research draws on model-specific owner forums and owner communities, recall information from official authorities, German automotive press, and multiple workshop cost references cross-checked against each other.
This report is for informational purposes only and does not constitute professional advice. Estimates may be inaccurate. Always have a qualified specialist inspect the vehicle before purchase. We accept no liability for decisions made based on this information.
