Should I buy a 2017 BMW 1-Series 1.5 Petrol Manual F20 LCI?

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.

Common problems

1High Likelihood

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

2High Likelihood

Water ingress into footwells from door membranes or blocked drains

Damp carpets, misted windows, musty smell, or water collecting in a front or rear footwell after rain.

How to check

After the viewing, open each door and press the carpet edge and sill area with your hand.

Estimated Repair Cost

£500

3High Likelihood

Thermostat or electric water pump failure

Temperature warning, cooling fan running hard, weak cabin heat, or the car dropping into reduced power.

How to check

Let the engine warm fully during the drive and watch for stable temperature behaviour and normal heater output.

Estimated Repair Cost

£850

MOT Failure Rate

0%10%20%30%0–20,000 miles: 6.4% (677 failed / 10,659 tests)20,000–40,000 miles: 10.9% (3,087 failed / 28,437 tests)40,000–60,000 miles: 15.1% (3,046 failed / 20,232 tests)60,000–80,000 miles: 18.2% (1,664 failed / 9,159 tests)80,000–100,000 miles: 19.6% (554 failed / 2,832 tests)100,000–120,000 miles: 19.0% (120 failed / 632 tests)120,000–140,000 miles: 24.1% (35 failed / 145 tests)140,000–160,000 miles: 14.3% (2 failed / 14 tests)160,000–180,000 miles: 0.0% (0 failed / 2 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 BMW 1-Series 1.5 Petrol Manual F20 LCI

BMW 1-Series buying questions

Is a 2017 BMW 1-Series worth buying?

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.

What common problems affect the BMW 1-Series (2017)?

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.

What should I check before buying a BMW 1-Series?

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.

A model guide is useful. A report on its registration is better.

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