BYD e2 Parts
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Symptom Finder: Known Weak Points
| What you see or hear | Check first |
|---|---|
| Range well short of what the car used to manage | Check the tyre pressures and the heating use first, then the battery. Read the build date to find out whether the car has a ternary pack or the Blade battery, and match any battery part by OE number. |
| Rear caliper will not release, or a parking brake warning shows | Confirm the car has the electric parking brake, which is fitted to every trim except the 2019 Yue Standard. Then check the caliper motor and order the caliper for the correct side. |
| Parking sensor warning after a minor knock | The rear sensors and their brackets in the bumper. Cars from August 2020 have four rear sensors and earlier cars two, so check the build date, then match each sensor by OE number. |
| A replacement headlamp does not fit or will not light on a Glory Edition | Halogen and LED lamps split by trim on this car, with halogen on the Comfort and LED on the Luxury. Check the lamp fitted and reorder to match. |
| A front bumper or grille from another e2 does not line up | The front end changed with the 2023 model and the car grew by 20 mm. Check the build date on the identification plate and order front parts for that side of the change. |
| Weak cabin heating or a sharp range drop in cold weather on a 2023 or later car | The heat pump circuit, which also warms the battery on these cars. Check its valves, sensors and pipework, then match the part by OE number. |
| Brake squeal, judder or uneven pedal feel | Pads and discs. The front discs are ventilated and the rear discs solid, so order front and rear parts separately by OE number. |
| Puncture with no spare wheel in the boot | No e2 carries a spare, only a tyre repair kit. Replace the tyre with a 205/60 R16 and check the kit is complete. |
Most Replaced Parts on the e2
- Front and rear bumper coversFront covers split at the 2023 facelift, and rear sensor count rose in August 2020
- Door skins, hinges and check strapsA city car's doors take car park knocks, so match each part by number
- Switches, relays and fusesEquipment changed in August 2020 and again in 2023, so check the build date first
- Tail and brake lamp assembliesThe full-width rear lamp design carried through the 2023 facelift, but match each unit by number
- Springs and top mountsMacPherson struts at the front and a torsion beam at the rear throughout
About BYD e2 Parts
The BYD e2 is a five-seat compact electric hatchback. It was first shown at Auto Shanghai in April 2019, went on sale in China on 2 September 2019 and is still sold in facelifted form. It has one permanent-magnet motor, rated 70 kW on almost every car, and no engine, so there is no engine oil, exhaust or fuel system to service. The parts that matter are the battery and its charging and thermal hardware, the brakes, and the MacPherson strut front and torsion beam rear suspension. The body panels and lamps matter too, because a city car tends to damage them. The e2 has changed its battery chemistry once and its front end once, so the year the car was built often decides the part. Every part on this page is listed by its OE number, and matching the number on the old part is the surest way to confirm a fit.
What to know before buying BYD e2 parts
Start by making sure the car is an e2. Its sibling, the e3, is the same car built as a saloon, and it was sold from 2019 to 2022. The two share the 2,610 mm wheelbase, the 1,760 mm width and the same drive figures. The e3 is 4,450 mm long against the early e2's 4,240 mm, and 10 mm lower. Everything behind the rear doors is specific to each body, including the tailgate or boot lid, the rear bumper and the rear lamps. Some parts under the car may be common to both, but only a matching OE number proves it.
The battery is where most wrong orders happen. Cars built from the September 2019 launch through the August 2020 upgrade use ternary lithium packs of 35.2 kWh or 47.3 kWh. The 2021 model, launched on 9 April 2021, moved to BYD's Blade lithium-iron-phosphate battery at 43.2 kWh. The range badge does not separate them, because the 47.3 kWh ternary car is rated 405 km on the NEDC test and the facelifted lithium-iron-phosphate car is rated 405 km on the CLTC test. Order a pack, module or battery management part by the build date on the identification plate and the OE number on the old unit, never by the range figure.
Almost every e2 runs a 70 kW motor. The exception is the 2021 fleet cars built for ride-hailing, the Chuxing Edition and the Lingchang Edition, which have a 100 kW motor with the same 180 Nm of torque. The brakes use ventilated discs at the front and solid discs at the rear. The 2019 entry trim, the Yue Standard, has a foot-operated parking brake, and the trims above it use an electric parking brake. Check which one the car has before ordering a rear caliper.
The 2023 model, launched on 6 April 2023, changed the front end. It has a closed grille, slimmer lamp clusters and new intake trim, and the car grew from 4,240 mm to 4,260 mm long, while width, height and wheelbase stayed the same. Front bumpers, grilles and headlamps from earlier cars do not suit it. On the Glory Edition, sold from March 2024, the Comfort trim has halogen headlamps and steel wheels and the Luxury trim has LED headlamps and alloys, so look at the lamp on the car before ordering.
The August 2020 upgrade raised the number of rear parking sensors from two to four. A rear bumper or sensor bracket from an early car may therefore not match a later one. Every e2 runs 205/60 R16 tyres front and rear, and none carries a spare wheel, only a tyre repair kit. For painted panels, order by the colour code on the car rather than by colour name.
Before You Order: 8 Checks
- Confirm the car is the e2 hatchback and not the e3 saloon. The e2 is 4,240 mm or 4,260 mm long and the e3 is 4,450 mm, so order rear body parts for the right car.
- Match the OE number on the part you are replacing to the OE number on the listing before you order.
- Read the build date on the identification plate before ordering any battery part, since cars before the 2021 model use ternary packs and later cars use the Blade battery. Never order by the range badge.
- Look at the front end before ordering a bumper, grille or headlamp. A closed grille and slim lamps mean a 2023 or later car, so order front parts to suit.
- Look at the parking brake before ordering a rear caliper. A foot pedal means the 2019 entry trim, and a switch means the electric parking brake.
- On a Glory Edition, check whether the headlamps are halogen or LED, then order the lamp to match.
- Count the rear parking sensors before ordering a rear bumper or bracket, and order each sensor by the OE number on the old unit.
- Order tyres as 205/60 R16 on both axles, and order painted panels by the colour code on the car.
Generations and Facelifts
The e2 was first shown at Auto Shanghai in April 2019 and went on sale on 2 September 2019. It had ternary lithium packs of 35.2 kWh or 47.3 kWh, NEDC ranges of 305 km and 405 km, and a 70 kW motor. Its saloon sibling, the e3, shared its wheelbase and drive figures and was built until 2022.
The upgrade launched on 25 August 2020 kept the ternary packs and the body. It added a 10.1-inch rotating screen, four rear parking sensors in place of two, mirror and rear screen demisting, an NFC phone key, vehicle-to-load power and a CN95-grade cabin filter, with a panoramic roof on the top trim. For parts, the rear parking sensors and their bumper mountings are the items to check by date.
The 2021 model, launched on 9 April 2021, is the big split underneath the car. It moved to the 43.2 kWh Blade lithium-iron-phosphate battery, rated 401 km on NEDC. Fleet versions for ride-hailing followed in 2021 with a 100 kW motor. Battery and battery management parts from the ternary cars do not suit it.
The 2023 model, launched on 6 April 2023, is the e2's only facelift. It brought a closed front grille, slimmer lamp clusters and a length of 4,260 mm. It also gained an eight-in-one electric drive unit, a heat pump on every trim and a new interior with an 8.8-inch instrument display. The rear kept its full-width tail lamp design. The range became 405 km on CLTC with the same 43.2 kWh capacity. Front body parts, lamps, and drive and heat pump parts should be matched to the facelifted car.
The Glory Edition, launched on 13 March 2024, kept the 2023 car's basic specification in Comfort and Luxury trims. It was not a further restyle. Before ordering battery, drive, thermal or front body parts, read the build date on the identification plate.
BYD e2 Parts: Frequently Asked Questions
How do I make sure a part fits my BYD e2?
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 e2 because the battery changed with the 2021 model and the front end changed with the 2023 model, so two cars that look alike can take different parts. If the old part is missing or its number is unreadable, send a photo through the quote form and we will reply within 24 hours, usually sooner.
How can I tell an e2 from the e3?
Look at the back of the car. The e2 is a hatchback and the e3 is the same car built as a saloon with a separate boot, sold from 2019 to 2022. Both use a 2,610 mm wheelbase and a 1,760 mm width, but the e3 is 4,450 mm long against 4,240 mm for an early e2, and it sits 10 mm lower. Rear body panels, the boot lid or tailgate and the rear lamps are specific to each body. For anything else, confirm the part by its OE number rather than assuming the two cars share it.
Which battery does my e2 have?
It depends on when the car was built. Cars from the September 2019 launch and the August 2020 upgrade use ternary lithium packs of 35.2 kWh or 47.3 kWh. From the 2021 model, launched in April 2021, the e2 uses BYD's Blade lithium-iron-phosphate battery at 43.2 kWh, and that is the battery in the car on sale now. The pack, its mounts and its management hardware all follow the chemistry. Read the build date on the identification plate, then match any battery part by the OE number on the old unit.
My e2 says 405 km. Does that tell me which pack is fitted?
No, because the same figure belongs to two different batteries. The long-range ternary car of 2019 and 2020 has a 47.3 kWh pack rated 405 km on the older NEDC test. Cars from the 2023 model onward have a 43.2 kWh lithium-iron-phosphate pack rated 405 km on the Chinese CLTC test. The 2021 lithium-iron-phosphate car in between was rated 401 km on NEDC. Never order a pack, module or battery management part from the range figure. Check the build date on the identification plate and the OE number on the part.
Does the e2 have a heat pump?
Cars from the 2023 model onward do. When the facelifted e2 was launched on 6 April 2023, a heat pump became standard on every trim. It warms and cools the battery pack as well as the cabin. The car also gained an eight-in-one electric drive unit at the same time, so thermal and drive parts for a 2023 or later car may not match those for earlier cars. Read the build date on the identification plate, then match heat pump, valve and drive parts by the OE number on the old part.
Which e2 has the 100 kW motor?
Only the fleet versions built for ride-hailing in 2021, sold as the Chuxing Edition and the Lingchang Edition. They pair the 43.2 kWh Blade battery with a 100 kW motor, while every other e2, before and since, uses a 70 kW motor. Torque is 180 Nm on both. A fleet car looks much like a private one from the outside, so do not assume the motor from the badge or the year. Match the motor, and any part mounted to it, by the OE number on the old unit before you order.
Why does my e2 have a foot-operated parking brake?
It is most likely a 2019 Yue Standard, the entry trim at launch. That trim was built with a foot-operated parking brake, while the trims above it used an electric parking brake worked by a switch. The rear calipers differ between the two systems, because one is worked by a cable and the other by an electric motor on the caliper. Look in the footwell before ordering a rear caliper, cable or any other parking brake part, then match it by the OE number on the old part.
Are the bumpers on the Glory Edition the same as on earlier cars?
The Glory Edition's front end matches the 2023 model but not the cars before it. The e2's only restyle came with the 2023 model, launched on 6 April 2023. It brought a closed grille, slimmer lamp clusters and new intake trim, and took the length from 4,240 mm to 4,260 mm. The Glory Edition of March 2024 kept that body. Front bumpers, grilles and headlamps from 2019 to 2022 cars will not suit a 2023 or later car, so read the build date on the identification plate before you order.
Does my e2 have halogen or LED headlamps?
On the Glory Edition sold from March 2024, it depends on the trim. The Comfort trim has halogen headlamps and steel wheels, and the Luxury trim has LED headlamps and alloy wheels. The two lamp types cannot be swapped for each other, so look at the lamp on the car, or the number on its housing, before ordering. For earlier cars, and for bulbs and lamp units in general, match the OE number on the old part rather than going by the trim name.
Does the e2 carry a spare wheel, and what tyres does it use?
No e2 has a spare wheel. The car comes with a tyre repair kit instead, so there is no spare, carrier or jack to match to the car. Every e2 runs 205/60 R16 tyres front and rear. On the Glory Edition, the Comfort trim uses steel wheels and the Luxury trim alloys. If you want to carry a spare, order a tyre in the same size, and read the size on the sidewall of the tyres already fitted before you order rims.
How many rear parking sensors does the e2 have?
It changed in 2020. The upgrade launched on 25 August 2020 raised the number of rear parking sensors from two to four, so a rear bumper or sensor bracket from an early car may not match a later one. The sensors sit in the bumper, and a minor knock can damage a sensor or its bracket as well as the panel. A bent bracket alone can set off a warning. Check the build date on the identification plate, and order each sensor by the OE number on the old unit.
What does an e2 need at a service?
Less than a petrol car does. There is no engine, so there is no engine oil, oil filter or exhaust. Brake pads and discs, the cabin air filter, wiper blades, tyres and suspension parts still wear. The brakes use ventilated discs at the front and solid discs at the rear, and the suspension uses MacPherson struts at the front and a torsion beam at the rear. From the August 2020 upgrade the car has a CN95-grade cabin filter. Order each part by the OE number on the one you are replacing.
Safety Recalls Affecting This Model
If you have been told otherwise, check what the notice actually names. Confirm the nameplate reads e2 rather than e3, e5 or Han, since those are the models this car shares the most parts with and a notice against one of them is easily mistaken for the e2's own. Confirm also which market issued it, since a campaign can apply in one country and not another. If the notice still names the e2 specifically, treat it as current and do not rely on this page in place of it.