A genuinely capable executive saloon where the N52 engine is rarely the main concern — this generation's electronics and suspension components deserve equal attention.
The E60's larger, heavier body than the 3 Series asks a little more of the N52, though it remains comfortably within the engine's capability for ordinary executive-saloon use.
This generation introduced more electronic complexity than its predecessor (iDrive, electronic suspension options), which shifts some of the car's overall risk profile away from the engine and toward these systems.
This is about the car itself — for engine-specific failure points, see the dedicated engine page below.
This generation of 5 Series shares its N52 engine with the related E90 3 Series. Full engine detail lives on the dedicated engine page.
FULL ENGINE BREAKDOWNBMW N52 Straight-Six — Reliable or Not →Ask whether the electric water pump has ever been replaced, the same key check as on other N52-equipped BMWs.
If the car has Electronic Damping Control or air suspension, test it over varied road surfaces and listen for compressor noise or inconsistent ride height.
Check that iDrive boots cleanly and all menus respond normally, since software faults are common but rarely serious.