Based on industry data and owner feedback, common problems for the BMW 320Li series (a popular choice among used cars) may include occasional engine oil consumption, minor oil leaks from engine components, false alarms in the tire pressure monitoring system, accelerated brake pad wear (which may require sourcing used car parts near me or your local supplier), and intermittent transmission downshift jolts. Electronic system glitches like occasional warning light activations are also reported in some cases, though these rarely impact its overall reliable performance. This specific used car includes a 60-day full vehicle warranty, a $4,285 (30,000 RMB) vehicle protection fund, a free $51 (359 RMB) deep inspection, and $277 (1,940 RMB) maintenance service, providing comprehensive post-purchase support that helps ease maintenance cost concerns for buyers.