BMW X5 G05 (2018 – 2025)

Reliability score : 8.6/10

BMW X5 (G05) The fourth generation of the BMW X5, internally known as the G05, was introduced in 2018 and rests on BMW's modular CLAR (Cluster Architecture) platform. It represents a significant leap in interior quality, technology (introducing iDrive 7.0, later updated to iDrive 8.0/8.5), and ride comfort, largely thanks to the optional two-axle air suspension. In 2023, the model received a Life Cycle Impulse (LCI - BMW's term for a facelift), bringing sharper exterior styling, a massive curved display interior, and widespread integration of 48V Mild-Hybrid (MHEV) technology across almost all powertrains. Focus on Diesel: While diesel is declining globally, the G05's diesel lineup—specifically the 3.0-liter inline-six (B57)—remains one of the finest powertrains in the segment. It offers a

✅ Strengths

Exceptional B57 3.0L diesel engine: perfect balance of power, refinement, and economy.
B58 3.0L petrol engine is arguably the most reliable inline-six on the market today.
ZF 8HP 8-speed automatic transmission is flawless in logic and durability.
Class-leading infotainment system (iDrive 7.0 and 8.5 are highly intuitive).
Superb ride quality, especially with the optional two-axle air suspension.
High-quality interior materials with excellent sound insulation.

⚠️ Weaknesses

EGR cooler issues on diesel engines remain a persistent headache (though covered by recalls).
xDrive transfer case is highly sensitive to mismatched tires (expensive repair).
Air suspension components (compressor, airbags) will eventually fail and are costly to replace.
M50d quad-turbo diesel is a maintenance nightmare out of warranty.
Water ingress in the roof shark fin antenna can destroy the telematics control unit (TCU).
High running costs (insurance, premium tires, brakes).

🎯 Verdict

Final Verdict The BMW X5 (G05) is arguably the most complete luxury SUV in its class. If you are buying in a market where diesel is viable, the xDrive30d (B57) is the absolute sweet spot. It provides effortless cruising, excellent towing capability, and surprising fuel efficiency. However, you must ensure the EGR cooler recall has been performed and keep a strict eye on coolant levels. If you do mostly short city trips, avoid the diesel entirely to prevent DPF and intake carbon issues. Instead, opt for the xDrive40i (B58) or the xDrive45e/50e PHEV, both of which are exceptionally reliable and better suited for urban environments. Avoid the M50d unless you have a comprehensive extended warranty, as the quad-turbo setup is a financial liability as it ages. Overall, a well-maintained X5 G05 is a highly recommended purchase.