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Plan d’maintenance BMW M8 Convertible (F91, facelift 2022)
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📖BMW M8 Convertible F91 Facelift (2022-present): the ultimate 625 hp Competition open-top grand tourer

BMW M8 Convertible (F91, facelift 2022) (2022-Présent)

The 2022 facelift of the BMW M8 Convertible F91 streamlined the range by making the 625 hp Competition specification standard worldwide. Subtle exterior enhancements included dark Shadowline headlight inserts, an illuminated kidney grille, and an enlarged 12.3-inch central infotainment touchscreen. Delivering immense cross-country pace, this open-air supercar requires disciplined BMW M8 maintenance to safeguard its cutting-edge powertrain and running gear.

The 4.4-litre twin-turbo S63 engine delivers 750 Nm of torque across a broad rev band. Underbonnet cooling components, including auxiliary water pumps and radiator packs, require periodic inspection. Power flows seamlessly through the eight-speed M Steptronic transmission and the configurable M xDrive system, allowing drivers to decouple the front axle for a pure rear-wheel-drive experience.

Given the car’s 2.1-tonne kerb weight and instant all-wheel-drive traction, tyre alignment and brake condition must be verified regularly. The multi-layer soft-top requires annual rubber seal rejuvenation to preserve acoustic isolation.

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UKGB

Owner notes

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

Reassuring points

Reliability
  • Standard 625 hp Competition powertrain delivering blistering 3.3-second 0-62 mph sprints.
  • Enlarged 12.3-inch infotainment display with responsive connected navigation and digital services.
  • Superb ride comfort and structural rigidity despite open-top architecture.

Chronic weak spots

Keep an eye on
  • Underbonnet thermal management: check turbo coolant hoses and breather pipes for heat hardening.
  • M xDrive transfer case: maintain strict tyre circumference symmetry across both axles.
  • Eight-speed M Steptronic transmission: verify seamless low-speed crawling and shift engagement.
  • Acoustic fabric roof seals: inspect weatherstripping and keep drainage channels clear of pine needles and road grit.
  • High-performance braking system: inspect pads and composite rotors for heat stress cracking.

Critical deadlines

Do not miss
  • Engine oil and filter change: every 10,000 to 12,000 km or 12 months.
  • Spark plug replacement: strictly every 30,000 km.
  • M xDrive transfer case and rear differential oil renewal: every 60,000 km.
  • Brake fluid replacement: strictly every 24 months.

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.

M8 Cabriolet (F91, facelift 2022)

Estimated average budget

Premium cost

Servicing a BMW M8 Convertible (F91, facelift 2022) sits about 32% above the market average (premium positioning).

Simple oil change~140 €
Full service~400 €
Front brake pads~190 €
Tyres (set of 4)~400 €

Timing chain: no scheduled replacement.

* Indicative estimates for parts and labour.

Frequently asked questions about BMW M8 Convertible (F91, facelift 2022)

What are the common problems on the M8 Convertible (F91, facelift 2022)?▾
M8 Convertible (F91, facelift 2022) owners should especially watch: Underbonnet thermal management: check turbo coolant hoses and breather pipes for heat hardening. M xDrive transfer case: maintain strict tyre circumference symmetry across both axles. Garajo includes these watch points so you can act early.
Does the M8 Convertible (F91, facelift 2022) timing chain need to be replaced?▾
The M8 Convertible (F91, facelift 2022) 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 M8 Convertible (F91, facelift 2022)?▾
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your BMW M8 Convertible (F91, facelift 2022).
How much does it cost to service a BMW M8 Convertible (F91, facelift 2022)?▾
The service budget for a BMW M8 Convertible (F91, facelift 2022) sits about 32% above the market average (premium positioning). Allow about 400 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which BMW M8 Convertible (F91, facelift 2022) powertrain is best for town use?▾
This model is only available as petrol/diesel. Fuel mix: 1 petrol version. In town, prefer the most economical, well-serviced petrol/diesel version.
Which BMW M8 Convertible (F91, facelift 2022) powertrain should you choose if you mostly drive on the motorway?▾
This model is only available as petrol/diesel. Fuel mix: 1 petrol version. On the motorway, prefer petrol/diesel versions with the best power-to-consumption compromise.

Compatible engine oil

Which engine oil for BMW M8 Convertible (F91, facelift 2022)?

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-30
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