Plan d’maintenance BYD Tang L

Online service book

Generations :Tang I Tang II Tang II (facelift 2021)Tang LAll →

📖BYD Tang L: next-generation luxury SUV flagship requiring premier technical upkeep

The Tang L inaugurates a new era of executive luxury for BYD, featuring a substantially larger body, ultra-high-output electric and hybrid drivetrains, and cutting-edge active chassis technology. Keeping this commanding flagship performing at its peak calls for premier BYD Tang maintenance, focusing on high-voltage cooling and air suspension health.

Engineering highlights include a massive 100.5 kWh Blade Battery on electric editions and high-power DM-i 5.0 hybrid powertrains driving through an advanced electronic transmission. Thermal demands are controlled by an intelligent multi-channel liquid cooling system capable of handling ultra-rapid megawatt-class charging.

Before purchasing a used Tang L, verify that active air suspension responds quickly without sagging after overnight parking. Check that high-power rapid charging connects without communication dropouts, inspect tyres for even wear across the wide tread blocks, and ensure the latest over-the-air firmware updates are fully installed.

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Owner notes

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

Reassuring points

Reliability

Massive 100.5 kWh Blade Battery delivering exceptional real-world long-distance touring range.
Next-generation fifth-generation platform build quality with active suspension and whisper-quiet road refinement.
Spacious three-row luxury executive cabin with top-tier materials and advanced driver assistance systems.

Chronic weak spots

Keep an eye on

Air suspension compressor and air springs: check for air leaks, compressor running times and ride height stability.
Accelerated tyre wear on large wheels: immense torque and kerb weight demand frequent wheel alignment checks.
LiDAR and driver assistance sensors: ensure front-mounted sensors and windscreen cameras remain clean and calibrated.
Thermal regulation during ultra-fast charging: monitor cooling pump operation during high-power charging sessions.

Critical deadlines

Do not miss

Engine oil service (DM-i models): replace 0W-20 synthetic engine oil every 10,000 km or 12 months.
Annual inspection and air suspension check: inspect suspension bellows and high-voltage wiring every 20,000 km or 12 months.
Brake fluid service: flush DOT 4 hydraulic brake fluid every 40,000 km or 24 months.
High-voltage cooling loop service: inspect and test thermal coolant circuits every 40,000 km or 24 months.

Choose your powertrain

Electric powertrains2 Hybrid powertrains2

Fréquences d'maintenance recommandées

Electric powertrains

▾

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

Hybrid powertrains

▾

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 30 000 km

Every 2 years

Poids ou puissance élevés : usure des number platettes accélérée sur certaines versions

Timing belt / chain

Every 100 000 km

Every 5 years

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.

Electric powertrains

▾

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

Tang L

Hybrid powertrains

▾

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

Tang L

Estimated average budget

Mid-range cost

Servicing a BYD Tang L sits slightly above the market average (+30%).

Simple oil change~85 €

Full service~355 €

Front brake pads~170 €

Timing-belt kit~650 €

Tyres (set of 4)~615 €

* Indicative estimates for parts and labour.

Frequently asked questions about BYD Tang L

Is servicing the same on every Tang L version?▾

No. The Tang L is available as petrol/diesel, hybrid or electric depending on the version. The jobs differ by powertrain, especially oil change and timing belt on combustion engines, and battery/electrical-system checks on EVs.

Which service markers apply to an electric Tang L?▾

On fully electric versions, plan an electrical-system and traction-battery check around 15,000 km / 1 year, and battery coolant around 120,000 km / 10 years (always confirm with the manufacturer).

What are the common problems on the Tang L?▾

Tang L owners should especially watch: Air suspension compressor and air springs: check for air leaks, compressor running times and ride height stability. Accelerated tyre wear on large wheels: immense torque and kerb weight demand frequent wheel alignment checks. Garajo includes these watch points so you can act early.

How much does it cost to service a BYD Tang L?▾

The service budget for a BYD Tang L sits slightly above the market average (+30%). Allow about 355 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.

Which BYD Tang L powertrain is best for town use?▾

BYD Tang L mix: hybrid : 2 versions ; electric : 2 versions. For mostly urban use, prefer electric versions first, then hybrids (full hybrid / mild hybrid) to keep consumption down in dense traffic.

Which BYD Tang L powertrain should you choose if you mostly drive on the motorway?▾

BYD Tang L mix: hybrid : 2 versions ; electric : 2 versions. 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.

Compatible engine oil

Which engine oil for BYD Tang L?

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

0W-20 for BYD Tang L

Capacity : 3.7 lAPI SP

Unsure between two viscosities?0W-20 vs 5W-30 0W-20 vs 0W-30

← All Tang generations All BYD models

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