AI-Powered Vehicle Intelligence
BMW 4 Series.
What to Check Before Buying.
The BMW 4 Series is the coupe, convertible and Gran Coupe spin-off of the 3 Series, launched in 2013 to give sportier styling a separate identity. Popular with enthusiasts and company car drivers alike, it offers sharp handling and premium build quality. Reliability is generally good, but certain engines and components have well-documented weak points that buyers need to check carefully. Knowing the car's history and any outstanding issues can save you thousands.
⚠ Known issue
Timing chain wear on certain petrol engines can lead to catastrophic failure if not caught early, and it's not always flagged in service history - get the full picture before you buy.
⚠ Common MOT failure
Brake disc corrosion and wear
The average used car has 3+ known model faults the seller won't mention.
DVLA verified data
DVSA MOT history
Reports in minutes