Plan d’maintenance BYD Song L EV
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📖BYD Song L EV: high-performance electric crossover demanding sharp chassis care

BYD Song L EV (2023-Présent)

The pure-electric Song L EV stands as one of BYD's most visually dramatic crossovers, featuring sporting suspension tuning, active aerodynamics and potent single- or dual-motor drivetrains. Keeping this dynamic EV in top condition requires dedicated BYD Song L maintenance, focusing on running gear alignment and battery diagnostics.

Built on the e-Platform 3.0, it houses a 71.8 kWh or 87.04 kWh structural Blade Battery operating with an intelligent all-wheel-drive torque vectoring system and dual reduction gearboxes. Thermal regulation is managed by a wide-temperature-range heat pump and active liquid chiller designed for sustained high-speed driving.

Prospective buyers must inspect tyre tread depths across all four wheels, as rapid acceleration heavily loads tyre inner shoulders. Verify that the active rear spoiler deploys and retracts smoothly, check for quiet reducer operation during aggressive deceleration, and confirm consistent charging performance across repeated DC rapid charging sessions.

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UKGB

Owner notes

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

Reassuring points

Reliability
  • Potent electric performance with all-wheel-drive acceleration and balanced sports chassis handling.
  • Generous 87 kWh Blade Battery delivering competitive real-world range and high thermal stability.
  • Striking coupe crossover silhouette with frameless doors, active rear wing and luxurious interior trim.

Chronic weak spots

Keep an eye on
  • High tyre wear rates: substantial vehicle mass and immense torque demand frequent tyre rotation and tracking checks.
  • Drive unit noise under regeneration: listen for high-pitched motor whine when lifting off throttle at high speeds.
  • Active aerodynamic spoiler: check motor mechanism and guide tracks for dirt accumulation or binding.
  • Auxiliary 12 V battery condition: test low-voltage battery periodically to prevent onboard computer waking faults.

Critical deadlines

Do not miss
  • Annual inspection service: complete comprehensive chassis, brake and electrical diagnostic check every 20,000 km or 12 months.
  • Brake fluid replacement: drain and refill DOT 4 hydraulic fluid every 40,000 km or 24 months.
  • Drive unit gear oil service: inspect reduction gearbox lubricant level at 40,000 km; renew fluid at 60,000 km.
  • High-voltage battery diagnostic: conduct full pack balance and cell health scan every 24 months.

Fréquences d'maintenance recommandées

Service markers for electric versions. Petrol/diesel engine jobs do not apply.

Service

Every 15 000 km

Every 1 year

Check the electrical system

Every 15 000 km

Every 1 year

Traction battery diagnosis

Every 15 000 km

Every 1 year

Battery coolant

Every 120 000 km

Every 10 years

Brake pads

Every 60 000 km

Every 2 years

Freinage régénératif : number platettes préservées, mais faites contrôler la corrosion des disques

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.

Electric powertrains

Fully electric versions. Servicing focuses on the high-voltage system, charging and battery monitoring.

Budget maintenance electric

Sur votre BYD Song L EV electric, les coûts se concentrent surtout sur les contrôles périodiques, les tyres, les freins et le suivi batterie.

Frequently asked questions about BYD Song L EV

What servicing does an electric BYD Song L EV need?
On a fully electric BYD Song L EV, periodic servicing is mainly a general inspection, an electrical-system check and a traction-battery diagnosis, plus brakes, tyres and the MOT. Garajo groups these checks and reminds you of each due date, for free.
How often should you check the electrical system and the battery?
The usual benchmark is every 15,000 km or 1 year, with a traction-battery diagnosis on the same rhythm (15,000 km / 1 year).
When should you change the battery coolant on a Song L EV?
Garajo shows 120,000 km or 10 years. The interval can vary by manufacturer: always confirm in the handbook.
Does an electric Song L EV need an oil change or a timing belt?
No. Those jobs apply to petrol and diesel engines. On a fully electric version, maintenance focuses on the electrical system, braking, tyres and safety checks.
How much does it cost to service a BYD Song L EV?
The service budget for a BYD Song L EV sits about 30% above the market average (premium positioning). Allow about 90 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which BYD Song L EV powertrain is best for town use?
This model is only available as electric. In town, electric versions fit best thanks to energy recuperation and the absence of cold-start cycles.
Which BYD Song L EV powertrain should you choose if you mostly drive on the motorway?
This model is only available as electric. On the motorway in an electric version, look for the longest range and strong DC rapid charging.

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