Plan d’maintenance BMW 8 Series Gran Coupé (G16 LCI, facelift 2022)
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📖BMW 8 Series Gran Coupé G16 LCI: refined four-door luxury flagship requiring proactive driveline upkeep

BMW 8 Series Gran Coupé (G16 LCI, facelift 2022) (2022-Présent)

Updated in 2022, the BMW 8 Series Gran Coupé G16 LCI solidified its position as one of the most desirable four-door luxury grand tourers on the market. Distinguishing features included the illuminated Iconic Glow kidney grille, a larger 12.3-inch central display, and enhanced cabin materials throughout. Preserving this executive thoroughbred demands methodical BMW 8 Series maintenance, ensuring that its advanced mechanicals and complex digital systems operate in total harmony.

The engine lineup consists of the 48V mild-hybrid 840d xDrive (B57 diesel), the refined 840i (B58 straight-six petrol) and the commanding M850i xDrive (530 hp N63 twin-turbo V8). All models deploy the fast-shifting ZF 8-speed automatic gearbox and rear-biased xDrive. The rigid chassis benefits from adaptive M suspension and optional active anti-roll stabilisation, providing remarkable cornering composure for a large, comfortable luxury saloon.

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Owner notes

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

Reassuring points

Reliability
  • Exquisite four-door silhouette with illuminated grille and spacious, high-tech executive cabin.
  • The 840i B58 delivers silky straight-six performance, agile handling and dependable long-term reliability.
  • Exceptional long-distance ride comfort, hush-quiet soundproofing and authoritative high-speed stability.

Chronic weak spots

Keep an eye on
  • 840d B57 mild hybrid: inspect 48V auxiliary battery, belt starter generator and EGR cooler condition.
  • 840i B58: inspect dual cooling expansion tanks, turbo coolant lines and oil filter housing seals.
  • M850i N63: check hot-vee turbo coolant lines, engine oil consumption and auxiliary radiators.
  • ZF 8-speed and xDrive transfer case: monitor shift smoothness and inspect for uneven tyre wear.
  • Frameless door glass and panoramic roof: test window drop-down functionality and clean sunroof water drains.

Critical deadlines

Do not miss
  • Engine oil and filter change: renew every 10,000 to 15,000 km or 12 months using BMW Longlife-certified oil.
  • ZF 8-speed automatic gearbox fluid service: renew fluid and filter pan every 80,000 to 100,000 km.
  • Brake fluid service: flush hydraulic circuits every 24 months to maintain dynamic brake feel.
  • Chassis alignment and tyre check: inspect four-wheel alignment every 30,000 km to protect xDrive components.

Fréquences d'maintenance recommandées

Petrol and diesel powertrains

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

Oil change

Every 10 000 to 15 000 km

Every 1 year

Practical interval, shorter than the manufacturer's Longlife schedule to protect the engine

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 - watch this engine

Known chain wear or stretch: inspection advised, no fixed interval

Battery (12 V)

Every 50 000 km

Every 4 years

Hybrid powertrains

Service markers for hybrid versions. Oil changes, brakes and system checks need to stay in step.

Oil change

Every 10 000 km

Every 1 year

Practical interval, shorter than the manufacturer's Longlife schedule to protect the engine

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

This generation is available with several powertrains. The consumption figures come from manufacturer data for each version.

Petrol and diesel powertrains

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

Hybrid powertrains

HEV, MHEV and PHEV versions. They combine petrol/diesel servicing with hybrid-system checks.

Série 8 Gran Coupé (G16 LCI, facelift 2022)

Estimated average budget

Premium cost

Servicing a BMW 8 Series Gran Coupé (G16 LCI, facelift 2022) sits about 80% above the market average (premium positioning).

Simple oil change~185
Full service~520
Front brake pads~245
Tyres (set of 4)~590

Timing chain: no scheduled replacement.

* Indicative estimates for parts and labour.

Frequently asked questions about BMW 8 Series Gran Coupé (G16 LCI, facelift 2022)

Is servicing the same on every 8 Series Gran Coupé (G16 LCI, facelift 2022) version?
No. The 8 Series Gran Coupé (G16 LCI, facelift 2022) is available as petrol/diesel or hybrid depending on the version. The jobs differ by powertrain.
What are the common problems on the 8 Series Gran Coupé (G16 LCI, facelift 2022)?
8 Series Gran Coupé (G16 LCI, facelift 2022) owners should especially watch: 840d B57 mild hybrid: inspect 48V auxiliary battery, belt starter generator and EGR cooler condition. 840i B58: inspect dual cooling expansion tanks, turbo coolant lines and oil filter housing seals. Garajo includes these watch points so you can act early.
How much does it cost to service a BMW 8 Series Gran Coupé (G16 LCI, facelift 2022)?
The service budget for a BMW 8 Series Gran Coupé (G16 LCI, facelift 2022) sits about 80% 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 8 Series Gran Coupé (G16 LCI, facelift 2022) powertrain is best for town use?
BMW 8 Series Gran Coupé (G16 LCI, facelift 2022) mix: petrol/diesel : 3 versions ; hybrid : 1 version. In town, prefer hybrid versions; they stay more efficient in frequent stop-start traffic. The range is mostly petrol/diesel (3 of 4).
Which BMW 8 Series Gran Coupé (G16 LCI, facelift 2022) powertrain should you choose if you mostly drive on the motorway?
BMW 8 Series Gran Coupé (G16 LCI, facelift 2022) mix: petrol/diesel : 3 versions ; hybrid : 1 version. On the motorway, prefer petrol/diesel versions with the best power-to-consumption compromise. The range is mostly petrol/diesel (3 of 4).

Compatible engine oil

Which engine oil for BMW 8 Series Gran Coupé (G16 LCI, 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-300W-20 vs 5W-30

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