UK Reliability Directory

BMW 6 Series (F12/F13/F06)

Production Years: 2011 - 20184 Documented Faults

The F-generation 6 Series is a beautiful and refined grand tourer that corrected the controversial styling of its predecessor, culminating in the highly desirable four-door Gran Coupe (F06). Positioned as a high-end luxury alternative to the Porsche Panamera or Mercedes CLS, it offers immense motorway capability and a stunning interior. Running costs in the UK are predictably high, particularly for the thirsty petrol V8s and the complex adaptive suspension systems. It suits wealthy executives or long-distance commuters wanting huge road presence, comfort, and undeniable style.

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Common Faults & Reliability

These are the most common documented problems for the BMW 6 Series (F12/F13/F06), sorted by their typical impact and frequency.

N63 V8 Engine Failures

high severity

The 4.4L twin-turbo V8 (650i) is notorious for valve stem seals, timing chains, and injector failures causing hydrolock.

Est. repair cost:£2,000–£6,000

Adaptive LED Headlight Moisture

high severity

The expensive adaptive LED headlights are prone to internal condensation which can fry the control modules.

Est. repair cost:£600–£1,500

Soft Close Door Actuators

medium severity

If fitted with soft-close doors, the actuators can fail, meaning the door bounces open instead of latching.

Est. repair cost:£300–£600
View All 4 Documented Issues

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