Plan d’maintenance BMW 1 Series Saloon (F52)

Online service book

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📖BMW 1 Series Saloon F52 (2017-2024): a compact front-wheel-drive saloon engineered on the proven UKL architecture

Introduced in 2017 primarily for the Chinese and Mexican markets, the BMW 1 Series Saloon F52 represented a historic departure as the first front-wheel-drive three-box compact saloon to carry the blue-and-white roundel. Built on the front-wheel-drive UKL2 modular platform shared with the 2 Series Active Tourer and MINI Countryman, it prioritised rear passenger legroom and urban practicality. Maintaining an F52 saloon requires regular BMW 1 Series maintenance, focusing on transverse powertrain components.

The engine range includes the 1.5-litre three-cylinder B38 (118i) and the 2.0-litre four-cylinder B48 (120i / 125i) turbocharged petrol engines. Power is transmitted to the front wheels via a six-speed or eight-speed Aisin automatic torque-converter gearbox. The hydraulic engine mounts are a known wear point, where degraded rubber causes noticeable cabin vibration at idle.

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Entrez votre number plate d’number plate afin de suivre freeement votre 1 Series Saloon (F52)

Garajo prépare votre garage et vous permet ensuite de suivre les maintenances, les rappels et les points à surveiller.

Owner notes

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

Reassuring points

Reliability

Generous rear-seat legroom and practical boot capacity tailored for compact family saloon duties.
Refined and fuel-efficient B38 three-cylinder and B48 four-cylinder turbocharged petrol engines.
Smooth and dependable shifting from the Aisin torque-converter automatic transmission.

Chronic weak spots

Keep an eye on

Hydraulic upper engine mount: check for perished rubber and fluid leakage causing engine vibrations.
Aisin automatic transmission: ensure transmission fluid is replaced every 60,000 km despite sealed-for-life claims.
B38 / B48 coolant pump and oil filter housing: inspect plastic housings for coolant and oil weeping.
Front suspension wishbone bushings: inspect rubber bushes for tearing under urban stop-start braking.
B38 ignition coils and spark plugs: monitor for rough idling or cold start hesitation.

Critical deadlines

Do not miss

Engine oil and filter change: every 15,000 km or 12 months using BMW LL-04 or LL-01 oil.
Aisin automatic gearbox fluid change: every 60,000 km.
Spark plug replacement: every 40,000 km on B38 and B48 engines.
Brake fluid replacement: 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 40 000 km

Every 2 years

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

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

Série 1 Berline (F52)

Estimated average budget

Mid-range cost

Servicing a BMW 1 Series Saloon (F52) sits slightly above the market average (+25%).

Simple oil change~155 €

Full service~385 €

Front brake pads~135 €

Tyres (set of 4)~400 €

Timing chain: no scheduled replacement.

* Indicative estimates for parts and labour.

Frequently asked questions about BMW 1 Series Saloon (F52)

What are the common problems on the 1 Series Saloon (F52)?▾

1 Series Saloon (F52) owners should especially watch: Hydraulic upper engine mount: check for perished rubber and fluid leakage causing engine vibrations. Aisin automatic transmission: ensure transmission fluid is replaced every 60,000 km despite sealed-for-life claims. Garajo includes these watch points so you can act early.

Does the 1 Series Saloon (F52) timing chain need to be replaced?▾

The 1 Series Saloon (F52) 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 1 Series Saloon (F52)?▾

Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your BMW 1 Series Saloon (F52).

How much does it cost to service a BMW 1 Series Saloon (F52)?▾

The service budget for a BMW 1 Series Saloon (F52) sits slightly above the market average (+25%). Allow about 385 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.

Which BMW 1 Series Saloon (F52) powertrain is best for town use?▾

This model is only available as petrol/diesel. Fuel mix: 5 petrol versions. In town, prefer the most economical, well-serviced petrol/diesel version.

Which BMW 1 Series Saloon (F52) powertrain should you choose if you mostly drive on the motorway?▾

This model is only available as petrol/diesel. Fuel mix: 5 petrol versions. On the motorway, prefer petrol/diesel versions with the best power-to-consumption compromise.

Compatible engine oil

Which engine oil for BMW 1 Series Saloon (F52)?

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

0W-20 for BMW 1 Series Saloon (F52)

Capacity : 5.25 lBMW Longlife-01 FEBMW Longlife-12 FE 0W-30BMW Longlife-14 FE+ 0W-30

0W-30 for BMW 1 Series Saloon (F52)