Should I buy a 2017 BMW 5-Series 3.0 Diesel Automatic G30?

Explore common problems, estimated repair costs and practical checks for the 2017 BMW 5-Series 3.0 Diesel Automatic G30. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1Moderate Likelihood

EGR cooler coolant leak and fire risk

Low coolant warnings, sweet smell, repeated top-ups, drivetrain or emissions warnings, and sometimes no obvious symptoms before a recall inspection finds it.

How to check

Warm the car fully, then let it idle for a minute after the drive and watch the dash for coolant or drivetrain warnings.

Estimated Repair Cost

£450

2High Likelihood

DPF regeneration failure and blockage

Cooling fan running after trips, poor fuel economy, reduced power, frequent regeneration behaviour, engine light or drivetrain warning.

How to check

Drive at mixed speeds with a few steady higher-speed stretches and feel whether it pulls cleanly through the mid-range.

Estimated Repair Cost

£1,500

3Moderate Likelihood

Cooling system leaks from pump, thermostat or hoses

Low coolant warning, sweet smell after parking, pink or white residue in the engine bay, or visible drips under the front of the car.

How to check

Drive until warm, park on level ground and leave it idling briefly before switching off.

Estimated Repair Cost

£450

MOT Failure Rate

0%10%20%30%0–20,000 miles: 8.1% (74 failed / 919 tests)20,000–40,000 miles: 10.3% (530 failed / 5,126 tests)40,000–60,000 miles: 12.3% (691 failed / 5,609 tests)60,000–80,000 miles: 14.1% (581 failed / 4,132 tests)80,000–100,000 miles: 15.2% (336 failed / 2,206 tests)100,000–120,000 miles: 15.7% (151 failed / 964 tests)120,000–140,000 miles: 17.7% (78 failed / 441 tests)140,000–160,000 miles: 14.6% (23 failed / 158 tests)160,000–180,000 miles: 23.5% (20 failed / 85 tests)180,000–200,000 miles: 18.2% (4 failed / 22 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 BMW 5-Series 3.0 Diesel Automatic G30

BMW 5-Series buying questions

Is a 2017 BMW 5-Series worth buying?

It can be, but only if the individual car backs it up. For the 2017 BMW 5-Series 3.0 Diesel Automatic G30, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the BMW 5-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 5-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