Plan d’maintenance BMW X4 (G02)
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📖BMW X4 G02: sophisticated modern sports activity coupé requiring B58 cooling and running gear upkeep

BMW X4 (G02) (2018-2021)

Introduced in 2018, the second-generation BMW X4 G02 matured significantly over its predecessor by adopting BMW's lightweight CLAR modular platform. Featuring a wider track, a lower centre of gravity, 50:50 weight distribution and a considerably roomier cabin, it struck a superb balance between sporty aesthetics and genuine touring comfort. Preserving this high-calibre coupé-SUV requires regular BMW X4 maintenance, particularly regarding powertrain cooling and chassis alignment.

The engine lineup featured the modular B47 diesel (20d), the B57 straight-six diesel (30d, M40d), the B48 petrol (20i) and the glorious B58 straight-six petrol in the M40i producing up to 360 hp. Power was managed exclusively by the seamless ZF 8-speed automatic gearbox and intelligent xDrive. The rigid chassis was supported by standard M Sport suspension, which demands proper geometry alignment to prevent inner tyre wear on large 20- or 21-inch wheels.

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Owner notes

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

Reassuring points

Reliability
  • Sleek, muscular fastback styling backed by superb CLAR chassis rigidity and 50:50 weight balance.
  • Outstanding performance, acoustics and mechanical durability from the B58 straight-six petrol (M40i).
  • Silky ZF 8-speed automatic gearbox paired with sure-footed xDrive traction across all weather conditions.

Chronic weak spots

Keep an eye on
  • B48 and B58 cooling circuits: inspect coolant expansion tanks, electric water pump and turbo coolant hoses.
  • B47 and B57 diesels: monitor EGR cooler recall compliance and verify regular DPF regeneration cycles.
  • ZF 8-speed transmission and xDrive: inspect transfer case fluid and verify tyre rolling circumference uniformity.
  • Large alloy wheels and tyres: inspect inner tyre shoulders for uneven wear caused by firm camber settings.
  • Panoramic sunroof and drainage: test roof mechanism and check front footwells for water ingress.

Critical deadlines

Do not miss
  • Engine oil and filter change: renew every 10,000 to 15,000 km or 12 months using BMW Longlife synthetic oil.
  • ZF 8-speed automatic gearbox service: renew fluid and pan filter every 80,000 to 100,000 km.
  • Brake fluid service: flush hydraulic braking circuit every 24 months regardless of mileage.
  • Four-wheel alignment check: inspect suspension geometry 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 to 40 000 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

Diesel particulate filter (DPF)

Every 100 000 km

Automatic regeneration while driving: regularly do 20 min on a fast road; preventive clean around 100,000 km

EGR valve

Every 80 000 km

Valve that soots up easily on diesels: a preventive clean avoids power loss and limp mode

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.

Estimated average budget

Premium cost

Servicing a BMW X4 (G02) sits about 66% above the market average (premium positioning).

Simple oil change~180
Full service~515
Front brake pads~235
Tyres (set of 4)~495

Timing chain: no scheduled replacement.

* Indicative estimates for parts and labour.

Frequently asked questions about BMW X4 (G02)

Is servicing the same on every X4 (G02) version?
No. The X4 (G02) is available as petrol/diesel or hybrid depending on the version. The jobs differ by powertrain.
What are the common problems on the X4 (G02)?
X4 (G02) owners should especially watch: B48 and B58 cooling circuits: inspect coolant expansion tanks, electric water pump and turbo coolant hoses. B47 and B57 diesels: monitor EGR cooler recall compliance and verify regular DPF regeneration cycles. Garajo includes these watch points so you can act early.
How much does it cost to service a BMW X4 (G02)?
The service budget for a BMW X4 (G02) sits about 66% above the market average (premium positioning). Allow about 515 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which BMW X4 (G02) powertrain is best for town use?
BMW X4 (G02) mix: petrol/diesel : 9 versions ; hybrid : 3 versions. In town, prefer hybrid versions; they stay more efficient in frequent stop-start traffic. The range is mostly petrol/diesel (9 of 12).
Which BMW X4 (G02) powertrain should you choose if you mostly drive on the motorway?
BMW X4 (G02) mix: petrol/diesel : 9 versions ; hybrid : 3 versions. For regular motorway use, diesel versions of this model are usually the best fit (range and refinement at a steady speed). The range is mostly petrol/diesel (9 of 12).

Compatible engine oil

Which engine oil for BMW X4 (G02)?

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

0W-30 for BMW X4 (G02)

Capacity : 6.5 lBMW Longlife-04BMW Longlife-12 FEBMW Longlife-12 FE 0W-30, 0W-40, 5W-30, 5W-40
Unsure between two viscosities?5W-30 vs 0W-300W-20 vs 0W-305W-40 vs 0W-40

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