Plan d’maintenance BMW M6 Convertible (F12M, LCI, facelift 2014)
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📖BMW M6 Convertible F12M LCI (2014-2018): refined 600 hp open-top powerhouse requiring disciplined preventative servicing

BMW M6 Convertible (F12M, LCI, facelift 2014) (2014-2018)

The late-2014 LCI facelift of the BMW M6 Convertible F12M introduced standard adaptive LED headlights, revised kidney grille slats, updated interior finishes, and upgraded Competition Package options boosting output to 575 hp and eventually 600 hp. It combined open-air luxury with near-supercar acceleration. Protecting such a complex grand tourer requires uncompromising BMW M6 maintenance, targeting thermal resilience and transmission health.

Under the sculpted bonnet, the S63TU engine features cross-bank exhaust manifolds and twin-scroll turbochargers. Preventative maintenance must focus on the turbocharger coolant lines, which are prone to baking and leaking due to extreme heat inside the engine valley. The seven-speed M DCT gearbox delivers instantaneous shifts, while the active M differential optimizes rear traction during hard acceleration.

The folding fabric roof features a heated glass rear window that can be lowered independently for ventilation. On models optioned with M Carbon Ceramic Brakes (CCB), inspect rotor surfaces for chipping or carbon oxidation, as replacement parts are exceptionally costly.

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Owner notes

The reassuring points, known weak spots and deadlines you should not let slip.

Reassuring points

Reliability
  • Colossal acceleration with up to 600 hp from late Competition Package specifications.
  • Upgraded adaptive LED lighting and modernised iDrive system with crisp graphics.
  • Distinctive finned soft-top design providing excellent acoustic insulation with the roof closed.

Chronic weak spots

Keep an eye on
  • Turbocharger coolant hoses: check for brittle plastic fittings and crusty dried coolant in the engine V.
  • Direct fuel injectors: ensure injectors are updated to the latest revision to avoid cylinder wash.
  • M DCT gearbox sump: inspect composite pan and side mechatronic gasket for transmission fluid leaks.
  • Carbon ceramic brake rotors (if fitted): examine disc faces for physical damage or edge chipping.
  • Front suspension thrust arm bushes: check hydro-bushes for oil leakage and steering vagueness.

Critical deadlines

Do not miss
  • Engine oil and filter change: strictly every 10,000 km or 12 months.
  • Spark plug replacement: every 30,000 km on standard and Competition models.
  • M DCT transmission fluid and filter service: every 60,000 km.
  • Active M differential fluid replacement: every 50,000 km.

Fréquences d'maintenance recommandées

Service markers for petrol/diesel versions. Exact intervals vary by engine and model year.

Oil change

Every 15 000 km

Every 1 year

Service

Every 15 000 km

Every 1 year

Brake pads

Every 30 000 km

Every 2 years

Poids ou puissance élevés : usure des number platettes accélérée sur certaines versions

Timing belt / chain

Timing chain - designed to last, no scheduled replacement

Battery (12 V)

Every 50 000 km

Every 4 years

Powertrains and average consumption

Average consumption from manufacturer data for the versions available in this generation.

Petrol and diesel powertrains

Petrol, diesel or LPG versions. The intervals shown cover the usual mechanical jobs.

Estimated average budget

Premium cost

Servicing a BMW M6 Convertible (F12M, LCI, facelift 2014) sits about 77% above the market average (premium positioning).

Simple oil change~185
Full service~520
Front brake pads~245
Tyres (set of 4)~570

Timing chain: no scheduled replacement.

* Indicative estimates for parts and labour.

Frequently asked questions about BMW M6 Convertible (F12M, LCI, facelift 2014)

What are the common problems on the M6 Convertible (F12M, LCI, facelift 2014)?
M6 Convertible (F12M, LCI, facelift 2014) owners should especially watch: Turbocharger coolant hoses: check for brittle plastic fittings and crusty dried coolant in the engine V. Direct fuel injectors: ensure injectors are updated to the latest revision to avoid cylinder wash. Garajo includes these watch points so you can act early.
Does the M6 Convertible (F12M, LCI, facelift 2014) timing chain need to be replaced?
The M6 Convertible (F12M, LCI, facelift 2014) engine uses a timing chain designed to last the life of the engine, with no scheduled replacement. Listening for noise during a service is enough.
Where can I find the service book for the BMW M6 Convertible (F12M, LCI, facelift 2014)?
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your BMW M6 Convertible (F12M, LCI, facelift 2014).
How much does it cost to service a BMW M6 Convertible (F12M, LCI, facelift 2014)?
The service budget for a BMW M6 Convertible (F12M, LCI, facelift 2014) sits about 77% above the market average (premium positioning). Allow about 520 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which BMW M6 Convertible (F12M, LCI, facelift 2014) powertrain is best for town use?
This model is only available as petrol/diesel. Fuel mix: 2 petrol versions. In town, prefer the most economical, well-serviced petrol/diesel version.
Which BMW M6 Convertible (F12M, LCI, facelift 2014) powertrain should you choose if you mostly drive on the motorway?
This model is only available as petrol/diesel. Fuel mix: 2 petrol versions. On the motorway, prefer petrol/diesel versions with the best power-to-consumption compromise.

Compatible engine oil

Which engine oil for BMW M6 Convertible (F12M, LCI, facelift 2014)?

These links are limited to the engines of this generation when oil data is available.

Unsure between two viscosities?5W-30 vs 0W-300W-20 vs 0W-305W-40 vs 0W-40

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