MINI Hardtop 4 Door Problems: 4 Issues Every Owner Should Know
2015-2026 model years ยท 280+ owner reports ยท Updated April 2026
According to Au7o's analysis of 280+ owner reports, the 2015-2026 MINI Hardtop 4 Door has 4 documented known issues, with 1 rated critical. The most serious is B38/B48 Engine Timing Chain Stretch and Rattle ($1,000-$2,500 repair). The most commonly reported issue is B38/B48 Engine Timing Chain Stretch and Rattle with 110 owner reports. Across all issues, repair costs range from $50 to $2,500. DIY maintenance guides at au7o.io.