BMW Z4 2007
Analysis of 81 active listings for BMW Z4 2007 from mobile.bg, cars.bg and other sources. Real market prices, known engine issues and what to check before buying.
Petrol 81
📊 Market data
- Cheap listings7 800 €
- Typical price13 999 €
- Expensive listings26 999 €
- Average mileage146 727 км
⚙️ Engines — what to expect
BMW N52 inline-6 NA petrol — N52
Known issues
- VANOS system components wear — rough idle, rattling on cold start, reduced power. Rebuild kits available for €200-500. (~200–600 € repair)
- Very common leak point. Oil drips onto alternator bracket. Easy to fix but messy if ignored. (~100–300 € repair)
- Electric water pump can fail without warning — leads to overheating. Replace preventatively around 80-100k km. (~300–600 € repair)
- Valve cover gasket hardens and leaks. Common age-related issue. (~150–400 € repair)
BMW N54 3.0 twin-turbo — N54
Known issues
- Wastegate actuators develop play — rattling under load. BMW updated design twice. Turbo replacement may be needed. (~500–3 000 € repair)
- HPFP failure is common — stalling, long cranking. BMW extended warranty on some. Can send metal debris into fuel system. (~600–1 500 € repair)
- Electric water pump and thermostat fail without warning — overheating risk. Preventive replacement advised at 80-100k km. (~400–900 € repair)
- Plastic charge pipe blows off under boost. Aftermarket aluminium replacement recommended. (~100–400 € repair)
- Direct injection leads to carbon deposits on intake valves. Walnut blasting restores performance. (~250–600 € 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: 10/10
Serious risks
- VANOS seals and solenoids: VANOS system components wear — rough idle, rattling on cold start, reduced power. Rebuild kits available for €200-500.
- Oil filter housing gasket leak: Very common leak point. Oil drips onto alternator bracket. Easy to fix but messy if ignored.
- Electric water pump failure: Electric water pump can fail without warning — leads to overheating. Replace preventatively around 80-100k km.
- Valve cover gasket leak: Valve cover gasket hardens and leaks. Common age-related issue.
- Car is 19 years old — expect age-related wear: rubber seals, bushings, water pump, AC compressor
Additional notes
- Vehicle is 15+ years old. Age-related issues: rubber seals/hoses degrade, electrical connectors corrode, suspension bushings wear. Not specific to any engine, but expect €500-1,500/year in age-related maintenance beyond normal service items.
- Vehicle is 15+ years old. Age-related issues: rubber seals/hoses degrade, electrical connectors corrode, suspension bushings wear. Not specific to any engine, but expect €500-1,500/year in age-related maintenance beyond normal service items.
- BMW N54 3.0 twin-turbo (335i, 535i, Z4 35i): legendary performance but known for: (1) Waste gate rattle — turbo actuators wear, causing rattling. BMW dealer fix is twin turbo replacement at €3,000-5,000. (2) High-pressure fuel pump failure — sudden loss of power. €500-1,000. (3) Fuel injector failure — coking and cracking. €200-400 each, 6 total. (4) Water pump/thermostat electronic failure — €400-800. The N55 single-turbo successor is more reliable.
- Vehicle is 15+ years old. Age-related issues: rubber seals/hoses degrade, electrical connectors corrode, suspension bushings wear. Not specific to any engine, but expect €500-1,500/year in age-related maintenance beyond normal service items.
🔥 Current market offers
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