EngineMedium
High-pressure fuel pump failures on N54 turbo petrol
Turbocharger replacement£750–£2,200
Inspect · Check for hard starting or hesitation and stored fault codes
2009–2016 BMW Z4 · common fault repair costs
What the known faults on this BMW Z4 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £750–£2,200
- Top three risks, from
- £1,250
- Worst case, everything
- £6,750
The single priciest documented job on the 2009–2016 BMW Z4 is turbocharger replacement at £750–£2,200. Few cars need every repair listed here · treat £1,590–£6,750 as the full exposure if one arrived with all of them.
Cost per fault
BodyworkHigh
Folding hardtop roof mechanism motor and microswitch failures
Body & corrosion repair£250–£1,800
Inspect · Operate the roof fully several times and listen for grinding or hesitation
SuspensionMedium
Front control arm bushes wearing causing vague steering
Suspension refresh (per axle)£250–£1,100
Inspect · Check for clonks over bumps and vague feel through the steering
ElectricalLow
Convertible roof warning sensors and switch faults
Electrical diagnosis & module repair£120–£900
Inspect · Test roof operation warning lights and switches for consistent function
CoolingMedium
Water pump and thermostat failures on N20 and N54 engines
Cooling component replacement£220–£750
Inspect · Check coolant level and service history for cooling system replacements
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a BMW Z4 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.