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2016–2018 BMW 4 Series (F32/F33/F36)

Browse our directory of 2016–2018 BMW 4 Series (F32/F33/F36) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

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Common Problems & Reliability

1
Serious
2
Moderate
0
Minor

The 2016–2018 BMW 4 Series (F32/F33/F36) has 3 known issues. 1 of these are classified as serious faults that could be expensive to repair. 2 are moderate concerns worth inspecting before purchase.

EGR Cooler Leak / Fire Risk

Serious

A major UK recall affects most diesel 4 Series models. Leaking coolant inside the EGR system can ignite soot and cause a fire.

Symptoms: Unexplained coolant loss, Sweet smell in the cabin...

Est. repair cost: £0 (Recall)

Frameless Window & Regulator Issues

Moderate

The windows must drop slightly to clear the trim when opening the door. Faulty regulators or sensors can stop this, leading to trim damage or leaks.

Symptoms: Window refusing to drop when the handle is pulled, Window "bouncing" back down when trying to close...

Est. repair cost: £150–£350

Steering Rack Clunk

Moderate

The electronic steering rack can develop internal play in the thrust piece, causing a rattling or knocking noise over uneven UK roads.

Symptoms: Knock through the steering over bumps, A "clicking" sensation when turning the wheel at low speeds

Est. repair cost: £200–£1,000

View detailed BMW 4 Series (F32/F33/F36) fault guide

Buying Tips for the 2016–2018 BMW 4 Series (F32/F33/F36)

  • ✓Check N20 petrol engines (pre-2015 420i/428i) for high-pitched timing chain whine which indicates guide failure
  • ✓Ensure the frameless windows drop slightly when pulling the door handle and seal correctly when closed
  • ✓On Gran Coupe (F36) models, verify the powered tailgate operates smoothly and the seals are intact
  • ✓Check for EGR cooler recalls on all diesel (420d, 430d, 435d) variants, as this is a high-priority safety item

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