BMW 640 2017
Analysis of 11 active listings for BMW 640 2017 from mobile.bg, cars.bg and other sources. Real market prices, known engine issues and what to check before buying.
Petrol 6Diesel 5
📊 Market data
- Cheap listings20 900 €
- Typical price24 000 €
- Expensive listings25 564 €
- Average mileage150 513 км
⚙️ Engines — what to expect
BMW N55 inline-6 turbo petrol — N55
Known issues
- VANOS solenoid bolts can loosen/break. BMW issued recall for some models. VANOS solenoids themselves also wear. (~200–800 € repair)
- Oil leaks from valve cover gasket and oil filter housing gasket. Very common. Budget for replacement. (~150–500 € repair)
- Coil packs can fail intermittently, causing misfires under load. (~60–200 € repair)
- Same electric water pump as N52 — can fail without warning. Preventative replacement recommended. (~300–600 € repair)
- Oil pan gasket can seep at higher mileage, leaving oil on undertray. (~300–800 € repair)
BMW B58 inline-6 turbo petrol — B58
Known issues
- Very early B58 (2015-2017) had reports of coolant loss. Mostly resolved in later production. (~200–800 € repair)
- PCV diaphragm can harden, causing oil consumption and idle issues. (~200–600 € repair)
🚨 What to check before buying
Overall risk score: 5/10
Serious risks
- VANOS solenoid & bolts: VANOS solenoid bolts can loosen/break. BMW issued recall for some models. VANOS solenoids themselves also wear.
- Valve cover / oil filter housing gasket: Oil leaks from valve cover gasket and oil filter housing gasket. Very common. Budget for replacement.
- Ignition coil failure: Coil packs can fail intermittently, causing misfires under load.
- Electric water pump failure: Same electric water pump as N52 — can fail without warning. Preventative replacement recommended.
- Oil pan gasket leak: Oil pan gasket can seep at higher mileage, leaving oil on undertray.
- Wastegate rattle / charge pipe: Wastegate can develop rattle. Plastic charge pipe can crack under boost. Aftermarket aluminium pipe is a permanent fix.
🔥 Current market offers
5 cheapest active listings for BMW 640 2017. Click "Analyze" for a full report with market valuation, risk analysis and photo analysis.
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