R57 MINI Cooper S Convertible

The turbocharged second-generation MINI convertible. Its boost-control system combines electronic commands, a vacuum-operated actuator and a mechanical wastegate, so low-boost diagnosis has to confirm what the valve actually does rather than rely on a scan code alone.

Documented repairs

2013 MINI Cooper S Limp Mode: Wastegate Would Not Close

2013 MINI Cooper S Convertible (R57)

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A 2013 MINI Cooper S Convertible had low-boost and wastegate faults. Vacuum and camera testing showed the gate would not close, leading to turbo replacement.

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Fault Codes

• 2C57 Charging Pressure Control, Plausibility Pressure Too Low
• 003429 — Engine-Oil Pressure Sensor Plausibility Before Start
• 29E0 — Charge-Air Temperature Sensor Electrical, Short To B+
• 29E2 — Charge-Air Temperature Sensor Voltage Change Too Fast
• 2CB3 — Wastegate Valve Activation, Suspicion Of Fault
• P007B — Charge Air Cooler Temperature Sensor Range/Performance, Bank 1

Components

• Engine Oil Filter
• Engine Coolant
• Engine Oil
• Engine Oil Drain Plug
• Oil Filter Housing Gasket
• Exhaust Manifold Gasket

Repairs by System

• Diagnosis
• Engine
• Cooling
• Turbocharger

Symptoms

• Check Engine Light
• Reduced Power Warning

Procedures

• Fault Code Scan
• Coolant Service
• Oil and Filter Change
• Camera Inspection
• Intake Pressure Data Logging
• Turbo Oil Line Replacement