Plan d’maintenance BYD Song L DM-i

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📖BYD Song L DM-i: stylish coupe SUV prioritising long-distance hybrid efficiency

The Song L DM-i combines the rakish profile of a sporty coupe SUV with the fuel-sipping pragmatism of BYD's latest plug-in hybrid engineering. Maintaining this striking crossover requires regular BYD Song L maintenance, preserving both high-voltage thermal systems and combustion running gear.

Under the skin, an efficient 1.5-litre petrol engine works alongside a high-torque electric motor and an LFP Blade Battery available in capacities up to 26.6 kWh. Power reaches the front wheels through an E-CVT transmission, with battery and inverter temperatures moderated by an advanced dual-circuit liquid cooling system.

When shopping for a pre-owned Song L DM-i, examine the front tyres for inner shoulder scrub caused by electric torque and SUV mass. Check that transitions from pure electric drive to hybrid running are quiet and judder-free, verify that rapid DC charging connects smoothly, and ensure annual engine oil changes have been completed.

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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

Distinctive coupe SUV styling with aerodynamically efficient lines and a premium, spacious cabin.
Substantial Blade Battery options delivering genuine everyday all-electric commuting range.
Advanced DM-i hybrid powertrain offering exceptional fuel economy on long-distance motorway journeys.

Chronic weak spots

Keep an eye on

Front tyre shoulder wear: heavy vehicle weight and rapid electric torque accelerate front tyre scrub; monitor alignment.
Engine oil fuel dilution: frequent short electric trips can cause moisture build-up in the sump; adhere to annual oil flushes.
Rapid charging socket latch: inspect DC charging pins and port latch for dirt or thermal wear.
Brake disc corrosion: regenerative braking lightly loads mechanical brakes; make periodic firm stops to clean disc faces.

Critical deadlines

Do not miss

Break-in engine oil change: perform initial oil and filter replacement at 3,500 km or 6 months.
Periodic engine oil and filter renewal: replace 0W-20 synthetic lubricant every 10,000 km or 12 months.
Brake fluid service: flush DOT 4 hydraulic fluid every 40,000 km or 24 months to ensure braking performance.
Cooling system inspection: check inverter, motor and battery coolant circuits every 40,000 km or 24 months.

Fréquences d'maintenance recommandées

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

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

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.

Hybrid powertrains

▾

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

Song L DM-i

Estimated average budget

Mid-range cost

Servicing a BYD Song L DM-i sits slightly above the market average (+16%).

Simple oil change~100 €

Full service~290 €

Front brake pads~90 €

Timing-belt kit~650 €

Tyres (set of 4)~545 €

* Indicative estimates for parts and labour.

Frequently asked questions about BYD Song L DM-i

What are the common problems on the Song L DM-i?▾

Song L DM-i owners should especially watch: Front tyre shoulder wear: heavy vehicle weight and rapid electric torque accelerate front tyre scrub; monitor alignment. Engine oil fuel dilution: frequent short electric trips can cause moisture build-up in the sump; adhere to annual oil flushes. Garajo includes these watch points so you can act early.

When should you change the timing belt on a Song L DM-i?▾

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 BYD Song L DM-i?▾

Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your BYD Song L DM-i.

How much does it cost to service a BYD Song L DM-i?▾

The service budget for a BYD Song L DM-i sits slightly above the market average (+16%). Allow about 290 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.

Which BYD Song L DM-i powertrain is best for town use?▾

This model is only available as hybrid. In town, prefer hybrid versions; they stay more efficient in frequent stop-start traffic.

Which BYD Song L DM-i powertrain should you choose if you mostly drive on the motorway?▾

This model is only available as hybrid. For frequent motorway use, a plug-in hybrid still makes sense if you charge regularly in town; otherwise an equivalent petrol/diesel version is often more coherent.

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