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Plan d’maintenance BMW M8 Gran Coupé (Concept)
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📖BMW Concept M8 Gran Coupé (2017): the visionary design study that previewed BMW’s flagship four-door supercar

BMW M8 Gran Coupé (Concept) (2017)

Unveiled at the 2018 Geneva Motor Show, the BMW Concept M8 Gran Coupé offered a dramatic vision of ultra-luxury performance, previewing the production F93 M8 Gran Coupé. Finished in striking Salève Vert paint that shifted from green to grey-blue under different lighting, it featured gold-bronze kidney grille surrounds and yellow motorsport-inspired headlights. Although a show vehicle rather than a series-production model, understanding its heritage complements BMW M8 maintenance across all 8 Series models.

As a bespoke design prototype, this vehicle features handmade carbon-fibre body panels and an aerodynamic CFRP roof with sculpted contours. While it housed the mechanical foundations of the upcoming S63 twin-turbo V8 and M xDrive all-wheel-drive system, it lacked homologated emissions and production diagnostic software. Preserving such unique prototypes requires climate-controlled storage and specialized care for the high-voltage battery and prototype wiring harnesses.

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Owner notes

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

Reassuring points

Reliability
  • Breathtaking show-car styling that successfully heralded the production M8 Gran Coupé.
  • Unique Salève Vert iridescent paint and gold-bronze motorsport exterior styling accents.
  • Exceptional historical significance as a BMW Motorsport design and engineering milestone.

Chronic weak spots

Keep an eye on
  • Unique paintwork and body panels: requires specialized hand-washing and ceramic coating protection.
  • Prototype electrical systems: maintain battery tender connection to prevent electrical parasitic drain.
  • Tyre flat-spotting: utilize tyre cradles or vehicle stands during prolonged exhibition storage.
  • Handmade interior trim: protect bespoke upholstery from UV fading and leather desiccation.
  • Static fluid preservation: drain or refresh hydraulic fluids periodically during prolonged storage.

Critical deadlines

Do not miss
  • Battery tender and electrical health check: monthly inspection of auxiliary charging systems.
  • Fluid exchange: brake and cooling fluids replaced every 24 to 36 months regardless of mileage.
  • Climate-controlled storage inspection: quarterly checks of humidity and ambient temperature.
  • Wheel and tyre pressure monitoring: monthly checks to avoid bead separation.

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

Every 100 000 km

Every 5 years

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 Gran Coupé (Concept)

Estimated average budget

Premium cost

Servicing a BMW M8 Gran Coupé (Concept) sits about 43% above the market average (premium positioning).

Simple oil change~140 €
Full service~400 €
Front brake pads~190 €
Timing-belt kit~945 €
Tyres (set of 4)~400 €

* Indicative estimates for parts and labour.

Frequently asked questions about BMW M8 Gran Coupé (Concept)

What are the common problems on the M8 Gran Coupé (Concept)?▾
M8 Gran Coupé (Concept) owners should especially watch: Unique paintwork and body panels: requires specialized hand-washing and ceramic coating protection. Prototype electrical systems: maintain battery tender connection to prevent electrical parasitic drain. Garajo includes these watch points so you can act early.
When should you change the timing belt on a M8 Gran Coupé (Concept)?▾
The timing belt is usually replaced every 100,000 km or 5 years on this type of engine.
Where can I find the service book for the BMW M8 Gran Coupé (Concept)?▾
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your BMW M8 Gran Coupé (Concept).
How much does it cost to service a BMW M8 Gran Coupé (Concept)?▾
The service budget for a BMW M8 Gran Coupé (Concept) sits about 43% 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 Gran Coupé (Concept) 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 Gran Coupé (Concept) 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.
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