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BMW · Convertible · 2013–2020

BMW 4er F32 Cabrio

Weaknesses, engine ratings and buying advice

3.0 / 5.0 · Based on 2 engine variants

Engine Overview

The BMW 4er F32 Cabrio is available with 2 engine variants — from 136 to 360 hp.

430i · Benziner· 252–258 PS Engine Change
2016 2020
Be Careful 6 weaknesses
2016 2020
Be Careful 6 weaknesses
435i · Benziner· 306 PS
2013 2016
Be Careful 10 weaknesses

Vehicle Weaknesses

WeaknessCost
N20 engine timing chain stretch

The four-cylinder N20 petrol engines (420i, 428i) suffer from premature timing chain stretch. Neglecting the issue risks engine damage.

Symptoms: Rattling or clattering on cold start, in severe cases sudden power loss.
from 80,000 km
High
N47 diesel timing chain snaps

The N47 diesel (418d, 420d up to March 2015) is notorious for timing chain failure. Chain snaps and causes engine damage.

Symptoms: Rattling and grinding on cold start, in final stages sudden complete engine failure.
from 100,000 km
High

Frequently Asked Questions

What problems and weaknesses does the BMW 4er F32 Cabrio have? +
The BMW 4er F32 as Cabrio has 24 known weaknesses, 8 vehicle-related.
Which engine is recommended? +
Be Careful: N55B30 (3.0L Turbo), B48B20 (2.0L Turbo). No engine is rated 'Good Choice'.
Is the BMW 4er F32 Cabrio worth buying used? +
The BMW 4er F32 Cabrio requires careful consideration — choosing the right engine variant is crucial.

Last updated: February 2026 · All information without guarantee

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