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X5 G05
G05 • 2018–2025 • SAV
2
Engine Options
4
Known Issues
0
Critical Issues
74%
Reliability Score
Facelift (LCI) – 2023
- Slimmer headlights with updated DRL signature
- Illuminated kidney grille option
- Curved display with iDrive 8
- Updated interior with simplified climate controls
74% – Good
Engines
B58B30 – 3.0L Turbo Petrol
X5 40i • 340 hp • 450 Nm
Displacement 3.0L
Layout I6
Fuel Petrol
Transmission 8-Speed Automatic (ZF 8HP)
Known Issues1 issue
medium
Valve Cover Leak (Early Production) Occasional (~15%)
Early B58 engines can develop a valve cover gasket leak. Generally well-sorted on later production.
Typical Mileage
60,000–100,000 km
Est. Repair Cost
€300–€500
DIY Friendly
✓ Yes
Oil smellSeepage around valve cover
N63B44TU – 4.4L Twin-Turbo V8 Petrol (TU)
X5 50i • 462 hp • 650 Nm
Displacement 4.4L
Layout V8
Fuel Petrol
Transmission 8-Speed Automatic (ZF 8HP)
Known Issues1 issue
high
Oil & Coolant Leaks (Improved over original N63) Common (~30%)
The TU revision improved but didn't eliminate the hot-V leak issues. Expect gasket work at higher mileages.
Typical Mileage
80,000–140,000 km
Est. Repair Cost
€1,500–€3,500
DIY Friendly
✗ Specialist
Oil consumptionBurning smellCoolant loss
Common Issues (G05-specific)
Suspension 1
high
Air Suspension Compressor Failure Moderate (~20%)
Air suspension compressor can fail, a recurring theme across X5 generations.
Typical Mileage
80,000–150,000 km
Est. Repair Cost
€600–€1,500
Category
Suspension
Suspension warningSaggingCompressor noise
Electrical 1
medium
12V Battery Drain Common (~25%)
Excessive battery drain from always-on telematics and connected drive modules.
Typical Mileage
N/A – age related
Est. Repair Cost
€200–€400
Category
Electrical
Dead batteryWarning lights on startRemote functions lost
Wear Items
B58B30 – Wear Items
X5 40i
Spark Plugs
Every 60,000 km
Replacement Cost€120–€200
Wear Factor50%
N63B44TU – Wear Items
X5 50i
Spark Plugs & Ignition Coils
Every 50,000 km
Replacement Cost€400–€700
Wear Factor55%