2014 MINI Cooper S Problems: 4 Known Issues
2014 model year · 5,500+ owner reports · Updated October 2026
According to Au7o's analysis of 5,500+ owner reports, the 2014 MINI Cooper S has 4 documented known issues, with 1 rated critical. The most serious is Passenger Front Airbag Inflator Assembled Out of Specification - Recall 15V628000 ($0-$0 repair). The most commonly reported issue is Direct Injection Carbon Buildup on Intake Valves with 3,500 owner reports. Across all issues with published estimates, repair costs range from $400 to $2,800. DIY maintenance guides at au7o.io.
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All 4 Known Issues
NHTSA Recalls5 recalls
SEAT BELTS
BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE
BMW of North America, LLC (BMW) is recalling certain 2020 X1 xDrive28i, X1 sDrive28i, X2 xDrive28i and X2 sDrive28i, 2020 MINI Clubman Cooper S All4, 2021 MINI Hardtop 2 Door (Cooper, Cooper S, John Cooper Works and Cooper S E) and MINI Hardtop 4 Door (Cooper and Cooper S) vehicles. Due to a problem with the rollover sensor within the air bag control unit, in the event of a rollover crash, the head air bag, seat belt pretensioners and other safety systems, may not activate.
ELECTRONIC STABILITY CONTROL (ESC)
BMW of North America, LLC. (BMW) is recalling certain 2023-2025 BMW, MINI, and Rolls-Royce vehicles. Please see the recall report for a complete list of models and model years. The integrated brake (IB) system may malfunction and result in a loss of power brake assist or cause the Antilock Brake (ABS) and Dynamic Stability Control (DSC) systems to not function properly.
ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE
BMW of North America (BMW) is recalling certain 2023-2024 X1, 2024-2025 X5, 2025 X6, 2023-2025 X7, 740i, 760i, 2024 XM, 530i, 540i, i7, 750e, X2, 2024-2025 i5, 2024 Rolls Royce Spectre, 2025 MINI Countryman S ALL4, JCW Countryman ALL4, and 2025 MINI Hardtop 2 Door (Cooper, Cooper S) vehicles. Please refer to the recall report for the complete list of models. The welds in the servomotor of the integrated brake control module may break, causing a loss of power brake assist and rear brake function. In addition, the Antilock Brake System (ABS) and Dynamic Stability Control (DSC) system may not function.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE
BMW of North America, LLC (BMW) is recalling certain 2025 Mini Cooper S, Mini Countryman S All4, X2, 2024 Rolls-Royce Spectre, 2023-2025 i7, 7 Series, X7, 2024-2025 i5, 5 Series, 2023-2024 XM, X1, 2024-2025 X6, and X5 vehicles. The integrated brake (IB) system may malfunction and result in a loss of power brake assist or cause the Antilock Brake (ABS) and Dynamic Stability Control (DSC) systems to not function properly.
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Frequently Asked Questions
What are the most common MINI Cooper S problems?
According to Au7o's analysis of 5,500+ owner reports, the 2014 MINI Cooper S has 4 documented issues. The most frequently reported are: Passenger Front Airbag Inflator Assembled Out of Specification - Recall 15V628000, Direct Injection Carbon Buildup on Intake Valves, Premature Clutch and Dual-Mass Flywheel Failure. Of these, 1 is rated critical and should be addressed promptly.
Is the MINI Cooper S reliable?
The 2014 MINI Cooper S has 4 known issues documented across 5,500+ owner reports. 1 issue is rated critical: Passenger Front Airbag Inflator Assembled Out of Specification - Recall 15V628000. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common MINI Cooper S problems?
Repair costs for known MINI Cooper S issues range from $0 to $2,800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Passenger Front Airbag Inflator Assembled Out of Specification - Recall 15V628000, typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2014-2016 MINI Cooper S Passenger Front Airbag Inflator Assembled Out of Specification - Recall 15V628000?
BMW recalled certain 2014–2016 MINI Cooper and Cooper S Hardtop 2 Door, 2015–2016 Cooper and Cooper S Hardtop 4 Door, and 2015–2016 John Cooper Works vehicles because the Takata-supplied passenger front airbag inflators were not assembled as specified during manufacture. BMW stat… Repairs typically run $0-$0. Severity: high.
What is the 2007-2025 MINI Cooper S Direct Injection Carbon Buildup on Intake Valves?
All turbocharged direct-injection MINI engines (N14, N18, B46/B48) accumulate carbon deposits on intake valves since fuel is injected directly into the cylinder rather than washing over the valves. This reduces airflow and causes rough running. Repairs typically run $400-$800. Severity: medium.
What is the 2007-2020 MINI Cooper S Premature Clutch and Dual-Mass Flywheel Failure?
Manual transmission MINI Cooper S models experience premature clutch and dual-mass flywheel (DMF) failure, often before 60k miles. The DMF springs weaken causing chatter and vibration, and the clutch disc wears prematurely due to the turbo engine's torque characteristics. Repairs typically run $1,200-$2,800. Severity: medium.
What is the 2014-2015 MINI Cooper S F56 B48 oil-filter-housing coolant leak — limited service action?
MINI SI M11 05 15 covers selected F56 Cooper S B48 vehicles produced January–November 2014. A housing coolant leak can cause overheating, power loss and an engine warning. DCSnet or Key Reader must show the action open; production dates are not model-year eligibility. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.