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7 Series F01 / F02
F01 • 2008–2015 • Sedan
4
Engine Options
17
Known Issues
2
Critical Issues
50%
Reliability Score
Facelift (LCI) – 2012
- Revised headlights with full LED option
- Updated kidney grilles
- New iDrive with touchpad controller
- Introduction of M Performance models
50% – Below Average
Engines
N54B30 – 3.0L Twin-Turbo Petrol
740i • 326 hp • 450 Nm
Displacement 3.0L
Layout I6
Fuel Petrol
Transmission 6-Speed Automatic (ZF 6HP)
Known Issues4 issues
critical
High-Pressure Fuel Pump (HPFP) Failure Common (>30%)
The Bosch high-pressure fuel pump fails, causing long cranks, misfires, and limp mode. Covered by an extended warranty programme in some regions.
Typical Mileage
40,000–100,000 km
Est. Repair Cost
€600–€1,200
DIY Friendly
✗ Specialist
Long crank on startLimp modeFuel smellLoss of power
medium
Wastegate Rattle Very Common (>60%)
Twin turbo wastegate actuators wear, causing an annoying rattle at idle and under light load. Cosmetic at first but can worsen.
Typical Mileage
50,000–100,000 km
Est. Repair Cost
€300–€800 or €2,000+ (turbo replacement)
DIY Friendly
✗ Specialist
Rattling at idleMetallic clatter under load
high
Injector Failures Common (~35%)
Piezo fuel injectors fail and leak, causing misfires and rough running. Often replaced in sets.
Typical Mileage
60,000–120,000 km
Est. Repair Cost
€800–€1,800 (all 6)
DIY Friendly
✗ Specialist
MisfiresRough idleFuel smellCheck engine light
medium
Charge Pipe & Boost Leaks Common (>30%)
Plastic charge pipe cracks or blows off under boost.
Typical Mileage
50,000–100,000 km
Est. Repair Cost
€100–€250
DIY Friendly
✓ Yes
Loss of powerBoost leak whistleLimp mode
N55B30 – 3.0L Turbo Petrol
740i • 320 hp • 450 Nm
Displacement 3.0L
Layout I6
Fuel Petrol
Transmission 8-Speed Automatic (ZF 8HP)
Known Issues4 issues
medium
Charge Pipe Blow-Off Common (>35%)
Factory plastic charge pipe blows off under high boost, particularly in warm weather or spirited driving. Aftermarket aluminium replacement recommended.
Typical Mileage
40,000–80,000 km
Est. Repair Cost
€100–€250
DIY Friendly
✓ Yes
Sudden power lossBoost leak whistleLimp mode
high
Valve Cover / VANOS Gasket Leak Common (>35%)
Valve cover and VANOS solenoid gaskets seep oil over time. Oil can drip onto hot exhaust components causing burning smell and smoke.
Typical Mileage
60,000–120,000 km
Est. Repair Cost
€300–€700
DIY Friendly
✓ Yes
Burning oil smellVisible oil seepageSmoke from engine
high
Oil Filter Housing Gasket Leak Common (>35%)
Oil filter housing gasket deteriorates and leaks oil onto belts and other components.
Typical Mileage
60,000–100,000 km
Est. Repair Cost
€250–€400
DIY Friendly
✓ Yes
Oil leakBurning smellOil on engine
high
Electric Water Pump Failure Common (~30%)
Electric water pump fails causing overheating. Shared issue with other N-series inline-6 engines.
Typical Mileage
80,000–130,000 km
Est. Repair Cost
€400–€700
DIY Friendly
✓ Yes
OverheatingWarning lightNo heat from vents
N63B44 – 4.4L Twin-Turbo V8 Petrol
750i, 750Li • 407 hp • 600 Nm
Displacement 4.4L
Layout V8
Fuel Petrol
Transmission 6-Speed Automatic (ZF 6HP), 8-Speed Automatic (ZF 8HP)
Known Issues2 issues
critical
Hot-V Turbo Oil & Coolant Leaks Very Common (>50%)
The N63's 'hot-V' design places turbos between the cylinder banks, causing extreme heat. Oil and coolant leaks from valve cover gaskets, turbo oil lines, and timing cover are endemic.
Typical Mileage
60,000–120,000 km
Est. Repair Cost
€2,000–€5,000+
DIY Friendly
✗ Specialist
Oil consumptionBurning smellSmokeCoolant loss
high
Injector Failure Common (>30%)
High-pressure direct injectors fail due to heat stress in the hot-V configuration.
Typical Mileage
60,000–120,000 km
Est. Repair Cost
€1,000–€2,500
DIY Friendly
✗ Specialist
MisfiresRough idleCheck engine light
N57D30 – 3.0L Diesel
730d, 740d • 245–313 hp • 540–630 Nm
Displacement 3.0L
Layout I6
Fuel Diesel
Transmission 6-Speed Automatic (ZF 6HP), 8-Speed Automatic (ZF 8HP)
Known Issues4 issues
medium
Turbo Boost Pipe Leak Common (~25%)
Aluminium boost pipes develop cracks at crimp joints, causing loss of boost pressure.
Typical Mileage
80,000–150,000 km
Est. Repair Cost
€200–€500
DIY Friendly
✓ Yes
Loss of boostWhistling noiseReduced power
medium
Oil Leak from Oil Pan Gasket Moderate (~20%)
Oil pan gasket seeps over time, causing oil drips.
Typical Mileage
100,000–180,000 km
Est. Repair Cost
€300–€600
DIY Friendly
✗ Specialist
Oil dripsOil stains under car
high
Injector Failure Moderate (~20%)
Fuel injectors develop faults causing misfires and rough running.
Typical Mileage
100,000–180,000 km
Est. Repair Cost
€500–€1,200
DIY Friendly
✗ Specialist
Rough runningMisfiresBlack smoke
high
EGR Cooler Failure Moderate (~20%)
EGR cooler can crack, leaking coolant into the exhaust system.
Typical Mileage
100,000–180,000 km
Est. Repair Cost
€600–€1,200
DIY Friendly
✗ Specialist
Coolant lossWhite smokeEGR codes
Common Issues (F01-specific)
Suspension 1
high
Air Suspension Failure Common (>30%)
Air springs and compressor fail, especially on cars with adaptive drive. Replacement costs are significant.
Typical Mileage
80,000–150,000 km
Est. Repair Cost
€800–€2,500
Category
Suspension
Sagging cornerCompressor noiseSuspension warning light
Electrical 1
medium
Comfort Access & Keyless Entry Faults Common (~25%)
Door handle sensors and comfort access modules fail, preventing keyless entry from working.
Typical Mileage
60,000–120,000 km
Est. Repair Cost
€300–€700
Category
Electrical
Keyless entry not workingHandle not respondingIntermittent operation
Body 1
medium
Soft-Close Door Mechanism Failure Common (>30%)
Soft-close door actuators fail, a continuing issue from the E65 generation.
Typical Mileage
80,000–150,000 km
Est. Repair Cost
€300–€600 per door
Category
Body
Door not latchingMotor grindingDoor ajar warning
Wear Items
N54B30 – Wear Items
740i
Spark Plugs (Increased Frequency)
Every 30,000 km
Replacement Cost€100–€180
Wear Factor70%
Ignition Coils
60,000–100,000 km
Replacement Cost€250–€400
Wear Factor55%
N55B30 – Wear Items
740i
Spark Plugs
Every 45,000 km
Replacement Cost€100–€180
Wear Factor60%
Ignition Coils
80,000–120,000 km
Replacement Cost€200–€400
Wear Factor50%
N63B44 – Wear Items
750i, 750Li
Engine Gaskets & Seals (Major Service)
80,000–120,000 km
Replacement Cost€2,000–€5,000
Wear Factor75%
N57D30 – Wear Items
730d, 740d
DPF
150,000–200,000 km
Replacement Cost€800–€2,500
Wear Factor40%
Glow Plugs
80,000–120,000 km
Replacement Cost€100–€250
Wear Factor50%
AdBlue System
Refill every 15,000 km; pump at ~150,000 km
Replacement Cost€200–€800
Wear Factor40%
All Variants
All Variants
Complete list of model variants for F01 / F02
| Model | Engine | Displacement | Layout | Power | Torque | Transmission |
|---|---|---|---|---|---|---|
| 740i | N54B30 | 3.0L | I6 | 326 hp | 450 Nm | Automatic |
| 740i | N55B30 | 3.0L | I6 | 320 hp | 450 Nm | Automatic |
| 750i | N63B44 | 4.4L | V8 | 407 hp | 600 Nm | Automatic |
| 750Li | N63B44 | 4.4L | V8 | 407 hp | 600 Nm | Automatic |
| 730d | N57D30 | 3.0L | I6 | 245–313 hp | 540–630 Nm | Automatic |
| 740d | N57D30 | 3.0L | I6 | 245–313 hp | 540–630 Nm | Automatic |
