2020 BMW 4 Series (F32/F33/F36)
Browse our directory of 2020 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
The 2020 BMW 4 Series (F32/F33/F36) has 1 known issue. 1 are moderate concerns worth inspecting before purchase.
Frameless Window & Regulator Issues
ModerateThe 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
Buying Tips for the 2020 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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