BYD Song L DM-i Parts

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Symptom Finder: Known Weak Points
| What you see or hear | Check first |
|---|---|
| Exterior door handle will not present or stays stuck | The handle assembly and its mechanism. Launch cars use fully hidden handles and 2026 cars use semi-hidden ones, so confirm which type is fitted and order by side and OE number. |
| Unsettled ride or a suspension warning on a 2026 car | The DiSus-C electronically controlled dampers and their wiring. A passive damper is not a like-for-like replacement, so match the damper by the OE number on the old unit. |
| Driver-assistance warning after a windscreen or bumper repair | On a Smart Driving Edition, the forward camera and radar mountings. Check the brackets for damage, order any sensor by the OE number on the old unit, then have the system recalibrated. |
| Engine warning light while the petrol engine is running | Start with the lambda and emission sensors on the 1.5-litre engine, since they are the usual first suspects on any petrol engine, then order by OE number. |
| Fuel nozzle keeps clicking off early when refuelling | The evaporative system, starting with the charcoal canister dust filter and the filler cap seal. Order the filter by OE number. |
| A replacement 12 V battery will not work properly | The battery type. The car uses a lithium iron phosphate low-voltage battery with its own electronics, so match the replacement to the OE number on the old unit. |
| A new tyre or wheel does not match the others | The size on the sidewall. The car runs 225/60 R18 or 235/50 R19, so read the fitted size before ordering. |
Most Replaced Parts on the Song L DM-i
- Coolant hoses, expansion tanks and sensorsCooling for a petrol engine as well as the battery and motor, so trace the leak first
- Timing drive componentsThe 1.5-litre petrol engine keeps a full list of engine parts on this hybrid
- Oil pump and sump circuit partsThe petrol engine still needs oil, so match pump and sump parts by OE number
- Temperature, pressure and position sensorsEngine, battery and motor sensors on one car, so order each by its OE number
- Evaporator, blower and heater core partsCabin climate and filter parts, matched by OE number rather than by model year
About BYD Song L DM-i Parts
The BYD Song L DM-i is a five-seat plug-in hybrid SUV. It was launched in China on 25 July 2024 and sits in BYD's Dynasty range between the Song Pro DM-i and the Tang DM-i. It is 4,780 mm long on a 2,782 mm wheelbase. It drives through a 160 kW electric motor, with a 1.5-litre petrol engine and an E-CVT making up BYD's fifth-generation DM hybrid system, and a Blade lithium iron phosphate battery of 12.9, 18.3 or 26.6 kWh. That mix means the car needs two kinds of parts. It needs the battery, motor and cooling hardware of an electric car, and also the filters, sensors and timing parts of a petrol engine. The 2026 model, launched in October 2025, changed several visible and chassis parts without changing the body. Every part here is listed by its OE number, and matching that number to the old part is the surest fitment check.
What to know before buying BYD Song L DM-i parts
Start by making sure the car is a Song L DM-i. The Song L EV has the same name but is a separate car. It is fully electric and built on BYD's e-Platform 3.0, with a 2,930 mm wheelbase against the DM-i's 2,782 mm and a height of 1,560 mm against 1,670 mm. Body panels, glass, trim and suspension do not cross between the two, and the fuel filler flap marks the DM-i at a glance. The Song Plus DM-i is the other car to watch. It was launched on the same day with the same hybrid powertrain and a similar size, but its body and styling are its own. Treat its panels, lights and glass as separate parts, and let the OE number decide anything under the bonnet.
Next, work out which version of the DM-i you have. The launch car, sold from July 2024, has fully hidden door handles and a gear selector on the centre console. The 2026 model, launched in October 2025, has semi-hidden handles, a selector stalk on the steering column and a dot pattern in the grille. The body and its dimensions did not change, which is why the two are easy to confuse. Door handles, the gear selector and the grille do not interchange between them. The 2026 model also made DiSus-C electronically controlled damping standard, so a damper for a 2026 car is an electronic part and must be matched by OE number. Before ordering any of these, or battery and charging parts, read the build date on the car's identification plate.
Battery size also varies from car to car. The launch car was sold with 12.9, 18.3 or 26.6 kWh Blade packs, and the 2026 model kept only the 18.3 and 26.6 kWh sizes. The same pack carries a different quoted electric range on the two model years, so identify it from the pack label or the old part rather than from the range figure. DC charging became faster on the 2026 car, so match charging parts by OE number as well.
A few other things differ between cars of the same age. Two tyre sizes are used, 225/60 R18 and 235/50 R19, so read the sidewall before ordering tyres or rims. From 10 February 2025 BYD also sold a Smart Driving Edition alongside the standard car. It carries the God's Eye C driver-assistance system with forward cameras and radar, so windscreens, front bumper parts and sensor brackets must be matched to the car in front of you. For painted panels, order by the colour code on the car rather than by colour name, since the 2026 model added new colours.
Before You Order: 7 Checks
- Confirm the car is a Song L DM-i rather than a Song L EV before ordering anything. The EV has no fuel filler and a 2,930 mm wheelbase against the DM-i's 2,782 mm.
- Match the OE number on the part you are replacing to the OE number on the listing before you order.
- Look at the door handles and gear selector to tell a launch car from a 2026 car. Then read the build date on the identification plate before ordering handles, the selector, the grille, dampers, or battery and charging parts.
- Read the tyre size on the sidewall, 225/60 R18 or 235/50 R19, before ordering tyres or rims.
- Check the battery size on the pack label or the old part, not the quoted electric range, before ordering battery or charging parts.
- On a Smart Driving Edition, order sensors and brackets by the OE numbers on the old units, and book a driver-assistance recalibration after windscreen or front-end work.
- Order painted panels by the colour code on the car rather than by colour name.
Generations and Facelifts
The Song L DM-i joined BYD's Dynasty range as a new model rather than a replacement, placed between the Song Pro DM-i and the Tang DM-i. BYD teased it in early July 2024 and launched it on 25 July 2024, the same evening as an updated Song Plus DM-i. The Song Plus is its sister model and has the same powertrain. Both use BYD's fifth-generation DM hybrid system, which pairs a 74 kW 1.5-litre petrol engine with a 160 kW electric motor and an E-CVT. The launch car came in five versions with 12.9, 18.3 or 26.6 kWh batteries, giving 75, 112 or 160 km of CLTC electric range. It had fully hidden door handles and was shown on 19-inch wheels.
On 10 February 2025 BYD added a Smart Driving Edition with its God's Eye C driver-assistance system. It was sold alongside the standard car rather than replacing it. Its cameras, radar and their brackets therefore need checking separately from the model year.
The 2026 model launched on 23 October 2025, and it changed more parts than the unchanged body suggests. The door handles became semi-hidden, the gear selector moved from the console to the steering column and the grille gained a dot pattern. DiSus-C electronically controlled damping and TBC tyre blowout stability control became standard. The 12.9 kWh battery was dropped, and the 18.3 and 26.6 kWh packs were re-rated to 130 and 200 km. DC charging became faster and two new colours arrived. Length, width, height and wheelbase stayed the same, and the body shell has not been restyled since launch. Before ordering handles, the selector, the grille, dampers, or battery and charging parts, read the build date on the identification plate.
BYD Song L DM-i Parts: Frequently Asked Questions
How do I make sure a part fits my Song L DM-i?
Match the OE number. Every part on this site is listed under the OE number printed on the original part, and if the number on the part you are replacing matches the listing, the part fits. That check matters on the Song L DM-i because the 2026 model changed several parts without changing the body shape, and the Song L EV shares the name but little else. If the old part is missing or its number cannot be read, send a photo through the quote form and we will reply within 24 hours, usually sooner.
Is the Song L DM-i the same car as the Song L EV?
No. The Song L EV is a fully electric car on BYD's e-Platform 3.0 that went into production in December 2023. It has a 2,930 mm wheelbase, a length of 4,840 mm and a height of 1,560 mm. The DM-i is a plug-in hybrid with a petrol engine under the bonnet, built on a 2,782 mm wheelbase and measuring 4,780 mm long and 1,670 mm high. Body panels, glass, trim and suspension do not cross between them. Check for the fuel filler before ordering, then match each part by OE number.
Do Song Plus DM-i parts fit the Song L DM-i?
Some may, but do not assume it. The Song Plus DM-i was launched on the same evening as the Song L DM-i. It uses the same fifth-generation DM hybrid powertrain and is a similar size, but it has its own body and styling. Engine and hybrid drive parts are the most likely to be shared. Panels, lights, glass and interior trim should be treated as different. The only safe check is the OE number: if the number on your old part matches the listing, it fits, whichever car the listing names.
How can I tell a launch car from the 2026 model?
Look at the door handles and the gear selector. The launch car, sold from July 2024, has fully hidden exterior door handles and a gear selector on the centre console. The 2026 model, launched in October 2025, has semi-hidden handles, a selector stalk on the steering column and a dot pattern in the front grille. The body shape and dimensions are unchanged, so the side profile will not help. For parts that changed between the two, confirm with the build date on the car's identification plate, then match by OE number.
What changed with the 2026 model, and does it affect parts?
It does. Alongside the new handles, column selector and grille, the 2026 model made DiSus-C electronically controlled damping and TBC tyre blowout stability control standard. The 12.9 kWh battery was dropped, leaving 18.3 kWh with 130 km of CLTC electric range and 26.6 kWh with 200 km, and DC charging became faster. Two new colours were added as well. Before ordering door handles, the gear selector, the grille, dampers, or battery and charging parts, read the build date on the identification plate and match by OE number.
Which battery pack is in my car?
Three Blade lithium iron phosphate packs have been used, of 12.9, 18.3 and 26.6 kWh. On the launch car they gave 75, 112 and 160 km of CLTC electric range. On the 2026 model only the 18.3 and 26.6 kWh packs remain, rated at 130 and 200 km. Because the same pack carries a different range figure across the two model years, the range alone will not tell you which pack is fitted. Read the pack label or the old part, and order battery and charging parts by OE number.
What tyre sizes does the Song L DM-i use?
Two sizes are used, 225/60 R18 and 235/50 R19. The launch car was shown on 19-inch wheels, and the 18-inch size appears on some 2026 versions. The size therefore depends on the version rather than the model year alone. Read the size on the sidewall of the tyres already fitted before ordering tyres or rims, and take the pressures from the label on the car. For brake and hub parts, match by the OE number on the old part rather than by wheel size.
What is the DiSus-C damper, and can I fit a passive one instead?
DiSus-C is BYD's electronically controlled damping system, and it is standard on the 2026 model. Its dampers are wired into the car and adjusted while driving, so a conventional passive damper is not a like-for-like replacement. Equally, a DiSus-C damper should not be assumed to suit a car built without the system. Check whether the car has it before ordering, using the build date on the identification plate and the old damper itself, then match the damper and its fittings by OE number.
What should I know about windscreen and front-end parts on a Smart Driving Edition?
The Smart Driving Edition, added on 10 February 2025, carries BYD's God's Eye C driver-assistance system, which uses forward cameras and radar. It was sold alongside the standard car, so two cars of the same age can have different hardware behind the windscreen and bumper. After a windscreen replacement or front-end repair, the cameras and radar need recalibrating, and brackets bent in the damage may need replacing too. Order the windscreen, sensors and brackets by the OE numbers on the parts you remove.
It is a plug-in hybrid. Does it still need oil and filters?
Yes. The 74 kW 1.5-litre petrol engine needs engine oil, an oil filter, an air filter, four spark plugs and the sensors any petrol engine has. Owners who charge every night may find the engine runs very little. The service schedule takes account of engine running as well as time, so the odometer alone can mislead. Use the oil grade given in the handbook for this engine rather than a familiar grade from another car, and order filters and plugs by OE number.
Can I fit an ordinary lead-acid 12 V battery?
Do not assume you can. The car uses a lithium iron phosphate low-voltage battery with its own management electronics rather than a conventional lead-acid unit, so a generic battery is not a like-for-like replacement. Check the old battery before ordering, because its label and OE number show exactly what the car needs. If the car will not wake after standing for weeks, look at the low-voltage battery before suspecting the key fob, then order the matching unit by OE number.
Do the door handles interchange between model years?
No. The launch car uses fully hidden exterior handles that sit flush with the door. The 2026 model moved to semi-hidden handles. The two designs differ in shape and mechanism, so a handle from one year will not suit a car from the other. Look at the handles on the car to confirm which type is fitted, and note which door the handle comes from. Then order by the OE number on the old handle, or send a photo through the quote form if the number is unreadable.