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MINI · Known Issues

2025 MINI Cooper S Problems: 3 Known Issues

2025 model year · 3,500+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 3,500+ owner reports, the 2025 MINI Cooper S has 3 documented known issues, with 2 rated critical. The most serious are 2025 MINI Cooper S Included in BMW Integrated Brake Recall 24V104000 and 2025 MINI Cooper S Integrated Brake System Recall 26V-422. 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 $800. DIY maintenance guides at au7o.io.

In This Article

  • Cooper S Brakes2
  • Cooper S Engine1
  • Recalls5
  • FAQ
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In This Article

  • Brakes2
  • Engine1
  • Recalls5
  • FAQ

All 3 Known Issues

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On the 2025 MINI Cooper S, mINI is part of BMW of North America, and the 2025 Cooper S is one of the vehicles named in NHTSA recall 24V104000. The integrated brake (IB) system may malfunction. For the driver this means the Cooper S may lose power brake assist — increasing the distance needed to stop — or the Antilock Brake and Dynamic Stability Control systems may not function properly, which can cause a loss of vehicle control. Both are crash risks. The recall spans about 266,716 vehicles in total across BMW, MINI and Rolls-Royce; NHTSA does not break the figure down by model, so it should not be read as a MINI-specific number.

Common Symptoms

  • Hard brake pedal / loss of power brake assist
  • Car takes longer to stop
  • ABS not working properly
  • Stability control not working properly

How to Fix

The remedy is free at a MINI or BMW dealer, which replaces the integrated brake system. Owner notification letters were mailed between June and December 2024. Check your Cooper S VIN at nhtsa.gov/recalls under campaign 24V104000; BMW of North America customer service (1-800-525-7417) handles MINI inquiries for this campaign.

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2025 MINI Cooper S, bMW of North America, which builds and supports MINI in the US, is recalling certain 2025 MINI Cooper S models under NHTSA campaign 26V422000. The integrated brake (IB) system on these cars may malfunction. The recall describes two consequences: the Cooper S can lose power brake assist, or its Antilock Brake (ABS) and Dynamic Stability Control (DSC) systems can stop functioning properly. A loss of assist extends the distance the car needs to stop. A misbehaving ABS or DSC system can cause a loss of vehicle control - a meaningful risk in a small, quick car that is often driven briskly. The recall spans several BMW, MINI and Rolls-Royce models and covers 428 vehicles in total across the whole campaign. If your Cooper S was already repaired under recall 24V739 or 24V104, BMW says the new remedy still has to be carried out.

Common Symptoms

  • Loss of power brake assist
  • Longer stopping distance
  • ABS not working properly
  • Dynamic Stability Control not working properly

How to Fix

Bring the Cooper S to a MINI dealer for the free recall service - the integrated brake system is inspected and replaced if necessary at no charge. Owner notification letters were expected to be mailed August 21, 2026, and VINs became searchable on NHTSA.gov the same day, so you can check your car directly at nhtsa.gov/recalls. Note that a prior repair under 24V739 or 24V104 does not cover this campaign. For help, BMW/MINI customer service is at 1-800-525-7417.

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Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026
Community reported
3,500 owners

On the 2007-2025 MINI Cooper S, 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.

This issue also affects: BMW 2 Series, BMW 3 Series, BMW 5 Series

Common Symptoms

  • Rough idle
  • Hesitation on acceleration
  • Reduced fuel economy
  • Misfire codes
  • Loss of power

How to Fix

Walnut blast the intake valves to remove carbon deposits. This should be done every 40-60k miles as preventive maintenance. Install an oil catch can to reduce oil vapor reaching the intake.

Typical repair cost:$400 - $800

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Based on 3,500 owner reports

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Community Reported
High Confidence3,500 owner reportsLast reported by owners Feb 2026Reviewed Feb 2026
NHTSA Recalls5 recalls

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.

Campaign #24V10400012/02/2024

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.

Campaign #24V69700018/09/2024

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE

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Frequently Asked Questions

What are the most common MINI Cooper S problems?

According to Au7o's analysis of 3,500+ owner reports, the 2025 MINI Cooper S has 3 documented issues. The most frequently reported are: 2025 MINI Cooper S Included in BMW Integrated Brake Recall 24V104000, 2025 MINI Cooper S Integrated Brake System Recall 26V-422, Direct Injection Carbon Buildup on Intake Valves. Of these, 2 are rated critical and should be addressed promptly.

Is the MINI Cooper S reliable?

The 2025 MINI Cooper S has 3 known issues documented across 3,500+ owner reports. 2 issues are rated critical: 2025 MINI Cooper S Included in BMW Integrated Brake Recall 24V104000 and 2025 MINI Cooper S Integrated Brake System Recall 26V-422. 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 $400 to $800, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2025 MINI Cooper S 2025 MINI Cooper S Included in BMW Integrated Brake Recall 24V104000?

MINI is part of BMW of North America, and the 2025 Cooper S is one of the vehicles named in NHTSA recall 24V104000. The integrated brake (IB) system may malfunction. For the driver this means the Cooper S may lose power brake assist — increasing the distance needed to stop — or t… Severity: high.

What is the 2025 MINI Cooper S 2025 MINI Cooper S Integrated Brake System Recall 26V-422?

BMW of North America, which builds and supports MINI in the US, is recalling certain 2025 MINI Cooper S models under NHTSA campaign 26V422000. The integrated brake (IB) system on these cars may malfunction. The recall describes two consequences: the Cooper S can lose power brake… Severity: high.

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.

Data sourced from 3,500+ owner reports, NHTSA recalls, TSBs, and automotive forums.

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.

Campaign #26V42200001/07/2026

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."

Campaign #21V55400021/07/2021

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.

Campaign #20V28300020/05/2020

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

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.