Should I buy a 2017 BMW 3-Series 3.0 Petrol Automatic F30 LCI?

Explore common problems, estimated repair costs and practical checks for the 2017 BMW 3-Series 3.0 Petrol Automatic F30 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

Oil filter housing collapse or cracking

Burning-oil smell, low coolant warnings, oily residue around the front/top of the engine, or fresh drips after parking.

How to check

Warm the car fully, then park it and leave it idling for a minute before stepping out and standing by the front wheel area.

Estimated Repair Cost

£1,400

2Moderate Likelihood

PCV diaphragm failure causing smoke and rough idle

Whistling from the top of the engine, rough idle, smoke from the exhaust and unusually strong suction at the oil filler cap.

How to check

Start the engine from cold and let it settle at idle with the windows down and radio off.

Estimated Repair Cost

£850

3High Likelihood

Water ingress into boot or battery well

Wet boot floor, damp foam around the battery area, condensation, musty smell or random electrical glitches after rain.

How to check

Open the boot after the drive and lift the floor panel if the seller allows normal access to the storage area.

Estimated Repair Cost

£500

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 4.7% (28 failed / 596 tests)20,000–40,000 miles: 8.0% (126 failed / 1,570 tests)40,000–60,000 miles: 11.1% (130 failed / 1,170 tests)60,000–80,000 miles: 10.3% (61 failed / 595 tests)80,000–100,000 miles: 12.0% (26 failed / 216 tests)100,000–120,000 miles: 14.9% (11 failed / 74 tests)120,000–140,000 miles: 17.2% (5 failed / 29 tests)140,000–160,000 miles: 16.7% (1 failed / 6 tests)160,000–180,000 miles: 0.0% (0 failed / 2 tests)180,000–200,000 miles: 0.0% (0 failed / 1 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2017 BMW 3-Series 3.0 Petrol Automatic F30 LCI

BMW 3-Series buying questions

Is a 2017 BMW 3-Series worth buying?

It can be, but only if the individual car backs it up. For the 2017 BMW 3-Series 3.0 Petrol Automatic F30 LCI, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the BMW 3-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 3-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