BMW Buyer's Guide

Comprehensive Used Car Analysis
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X5 E70
X5 E70
X5 E70
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X5 E70

E70 • 2006–2013 • SAV
Engines: 5 Issues: 17 Reliability: 60%
5
Engine Options
17
Known Issues
2
Critical Issues
60%
Reliability Score

Facelift (LCI) – 2010

  • Updated headlights with LED accents
  • New twin-turbo N55 engine
  • 8-speed automatic transmission
  • Updated iDrive CIC
60% – Average

Engines

N52B30 – 3.0L Petrol

X5 3.0si • 272 hp • 315 Nm
Displacement 3.0L
Layout I6
Fuel Petrol
Transmission 6-Speed Automatic (ZF 6HP)
Valvetronic IIDouble-VANOSMagnesium/aluminium composite blockElectric water pump
Known Issues3 issues
medium VANOS Solenoid Failure Common (~30%)
Variable valve timing solenoids develop faults due to oil contamination or electrical issues, causing rough idle and reduced performance.
Typical Mileage
80,000–140,000 km
Est. Repair Cost
€150–€400
DIY Friendly
✓ Yes
Rough idleLoss of powerEngine codesRattling noise
high Oil Filter Housing Gasket Leak Very Common (>45%)
The gasket on the oil filter housing deteriorates, causing oil leaks onto the serpentine belt and alternator. Can cause belt slip and alternator failure if ignored.
Typical Mileage
60,000–110,000 km
Est. Repair Cost
€200–€400
DIY Friendly
✓ Yes
Oil dripsBurning smellLow oil warningBelt squeal
high Electric Water Pump Failure Common (>40%)
The electric water pump (introduced with the N52) fails without warning, causing rapid overheating. Proactive replacement recommended around 100k km.
Typical Mileage
80,000–130,000 km
Est. Repair Cost
€400–€700
DIY Friendly
✓ Yes
OverheatingWarning lightNo heat from vents

N55B30 – 3.0L Turbo Petrol

X5 35i • 306 hp • 400 Nm
Displacement 3.0L
Layout I6
Fuel Petrol
Transmission 8-Speed Automatic (ZF 8HP)
TwinPower Turbo (twin-scroll single turbo)Valvetronic IIIDirect injectionDouble-VANOSElectric water pump
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

N62B48 – 4.8L V8 Petrol

X5 4.8i • 355 hp • 475 Nm
Displacement 4.8L
Layout V8
Fuel Petrol
Transmission 6-Speed Automatic (ZF 6HP)
ValvetronicDouble-VANOSAlusil blockVariable-length intake manifold
Known Issues2 issues
critical Valve Stem Seal Failure Very Common (>50%)
N62 valve stem seals harden, causing excessive oil consumption and blue smoke on start-up. A defining issue of this engine. Can consume 1L of oil per 1000 km.
Typical Mileage
80,000–150,000 km
Est. Repair Cost
€2,000–€5,000
DIY Friendly
✗ Specialist
Blue smoke on start-upHigh oil consumptionFouled spark plugs
high Coolant Transfer Pipe Leak Common (>35%)
Hidden coolant pipe behind the intake manifold leaks, requiring significant disassembly to access and replace.
Typical Mileage
80,000–140,000 km
Est. Repair Cost
€800–€1,500
DIY Friendly
✗ Specialist
Coolant lossOverheatingSteam from under hood

N57D30 – 3.0L Diesel

X5 30d, X5 40d • 245–306 hp • 540–600 Nm
Displacement 3.0L
Layout I6
Fuel Diesel
Transmission 8-Speed Automatic (ZF 8HP)
Common-rail piezo injectionSingle/bi-turbo/tri-turbo variantsAluminium blockVariable geometry turbo
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

N63B44 – 4.4L Twin-Turbo V8 Petrol

X5 50i • 407 hp • 600 Nm
Displacement 4.4L
Layout V8
Fuel Petrol
Transmission 8-Speed Automatic (ZF 8HP)
Hot-V turbo layoutDirect injectionCross-bank exhaust manifoldsDouble-VANOS
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

Common Issues (E70-specific)

Drivetrain 1

high Transfer Case Failure Common (~25%)
Transfer case actuator and internal gears wear. Complete unit may need replacement.
Typical Mileage
80,000–150,000 km
Est. Repair Cost
€500–€2,500
Category
Drivetrain
xDrive warningClunking in turnsService message

Suspension 1

high Air Suspension Problems Common (~30%)
Air springs, reservoir, and compressor fail progressively.
Typical Mileage
100,000–180,000 km
Est. Repair Cost
€800–€2,500
Category
Suspension
Sagging cornersCompressor noiseRide height warning

Wear Items

N52B30 – Wear Items

X5 3.0si

Serpentine Belt & Tensioner Every 80,000 km
NewReplace
Replacement Cost€100–€250
Wear Factor55%
Valve Cover Gasket 80,000–120,000 km
NewReplace
Replacement Cost€200–€400
Wear Factor65%

N55B30 – Wear Items

X5 35i

Spark Plugs Every 45,000 km
NewReplace
Replacement Cost€100–€180
Wear Factor60%
Ignition Coils 80,000–120,000 km
NewReplace
Replacement Cost€200–€400
Wear Factor50%

N62B48 – Wear Items

X5 4.8i

Valve Stem Seal Replacement 100,000–150,000 km
NewReplace
Replacement Cost€2,000–€5,000
Wear Factor70%

N57D30 – Wear Items

X5 30d, X5 40d

DPF 150,000–200,000 km
NewReplace
Replacement Cost€800–€2,500
Wear Factor40%
Glow Plugs 80,000–120,000 km
NewReplace
Replacement Cost€100–€250
Wear Factor50%
AdBlue System Refill every 15,000 km; pump at ~150,000 km
NewReplace
Replacement Cost€200–€800
Wear Factor40%

N63B44 – Wear Items

X5 50i

Engine Gaskets & Seals (Major Service) 80,000–120,000 km
NewReplace
Replacement Cost€2,000–€5,000
Wear Factor75%

All Variants

All Variants

Complete list of model variants for E70

ModelEngineDisplacementLayoutPowerTorqueTransmission
X5 3.0si N52B30 3.0LI6272 hp315 Nm Automatic
X5 35i N55B30 3.0LI6306 hp400 Nm Automatic
X5 4.8i N62B48 4.8LV8355 hp475 Nm Automatic
X5 30d N57D30 3.0LI6245–306 hp540–600 Nm Automatic
X5 40d N57D30 3.0LI6245–306 hp540–600 Nm Automatic
X5 50i N63B44 4.4LV8407 hp600 Nm Automatic