VANOS camshaft timing faults
Rough idle, hesitation, reduced power and a drivetrain or engine warning light.
How to check
Start it from cold, let it idle, then accelerate gently through the lower rev range.
Estimated Repair Cost
£1,800
Explore common problems, estimated repair costs and practical checks for the 2017 BMW 1-Series 1.5 Petrol Manual F20 LCI. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.
Rough idle, hesitation, reduced power and a drivetrain or engine warning light.
Start it from cold, let it idle, then accelerate gently through the lower rev range.
£1,800
Damp carpets, misted windows, musty smell, or water collecting in a front or rear footwell after rain.
After the viewing, open each door and press the carpet edge and sill area with your hand.
£500
Temperature warning, cooling fan running hard, weak cabin heat, or the car dropping into reduced power.
Let the engine warm fully during the drive and watch for stable temperature behaviour and normal heater output.
£850

It can be, but only if the individual car backs it up. For the 2017 BMW 1-Series 1.5 Petrol Manual F20 LCI, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.
Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.
The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.
Or enter the vehicle manually