BYD SEALION 7 Accessories, Upgrades & Towing

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BYD SEALION 7

Welcome to the independent guide covering accessories, upgrades, and towing for the pure electric BYD SEALION 7 in Australia. This page details available enhancements such as interior floor mats, boot liners, paint protection film, towbars, and electronic add-ons. It also outlines the boundaries of approved modifications, particularly regarding high-voltage systems and software tuning.

Please note that trim names, specifications, and prices reflect a compiled dataset (October 2026). BYD Automotive Australia may update variants, so every figure must be confirmed with an authorised BYD dealer or the official BYD Australia website. For complete documentation, always refer to the official owner’s manual. Whether evaluating the specifications of the BYD Sealion 7 Premium RWD against the Performance AWD, or reading a road test review of the BYD Sealion 7 electric family SUV, it is vital to base your upgrade decisions on verified parameters rather than assumptions.

Contents

Interior Protection & Cargo Accessories

Protecting the cabin of a mid-size SUV involves selecting appropriate interior accessories designed for longevity and fit. Owners looking to safeguard the footwells can install genuine or aftermarket floor mats. The seating layout accommodates five occupants, and mats must be moulded specifically to match the floorpan without obstructing the pedal travel. The interior features Black upholstery, requiring compatible cleaning and protection products.

A boot liner is another highly practical addition for the 500 L rear trunk or the 58 L front trunk. A tailored rubber or carpet liner prevents moisture, spills, and debris from reaching the original carpeting. Additional cargo accessories such as cargo nets, pet barriers, or dog hammocks can improve practicality for families and pet owners. When fitting interior protection, ensure all items are securely anchored, subject to manufacturer specifications.

Exterior Accessories & Paint Protection

The exterior styling and aerodynamic shape of the vehicle can be preserved and enhanced using various surface treatments. The standard Aurora White finish, as well as optional colours like Atlantis Grey, Cosmos Black, and Shark Grey, can benefit significantly from a ceramic coating or paint protection film (PPF). These transparent layers shield the paint from stone chips, insect impacts, and environmental fallout encountered on Australian roads.

Window tinting is an excellent addition, reducing cabin heat and UV exposure. The installation of window films must comply with local state regulations regarding tint darkness and visible light levels. Care must be taken not to damage the heating elements on the rear glass or interfere with cameras and sensors mounted behind the windscreen. For advice on approved tint materials, confirm with BYD Automotive Australia.

Furthermore, owners may consider adding mud flaps or weather shields to the exterior. Mud flaps help protect the lower bodywork from road debris kicked up by the 235/50 R19, 255/45 R19, or 245/45 R20 alloy wheels. Any external accessory fitment must be carefully measured to avoid obstructing the 360-degree camera system, front parking sensors, or rear parking sensors.

Towbars & Towing Considerations

Adding a towbar expands the utility of the vehicle, allowing owners to transport bicycles using hitch-mounted racks or tow light trailers. However, the towing capacity is not stated in the official brochure. Before purchasing or installing a towbar, owners must consult an authorised BYD dealer to obtain the exact braked and unbraked towing limits, towball download maximums, and approved hardware.

Installation of a towbar must integrate with the chassis and electrical system without compromising the rear cross traffic alert and brake systems. Due to the high-voltage architecture and the presence of the 82.56 kWh BYD Blade Battery, towing hardware must be fitted safely by trained personnel. Do not exceed the gross vehicle mass of 2,635 kg for the Premium trim or 2,750 kg for the Performance trim. If you are comparing the BYD Sealion 7 to the Tesla Model Y in Australia, only use the official data provided by the manufacturer.

Electronic Accessories & Infotainment Integration

The cabin features a 15.6-inch intelligent rotating touch screen display and a 10.25-inch LCD instrumentation panel. While these displays support various functions and over-the-air (OTA) updates, owners must exercise caution regarding infotainment sideloading risks. Installing unapproved third-party applications can destabilise the operating system, interfere with the DYNAUDIO premium sound system, and compromise data security.

For electronic additions such as dashcams or UHF radios, hardwiring should only be performed by a qualified technician. The vehicle possesses a complex 12V auxiliary system and a high-voltage powertrain; incorrect wiring can result in system faults or premature 12V battery drain. Furthermore, utilising the V2L function and V2L discharge adapter allows owners to power external appliances, but usage must adhere strictly to the load limits outlined in the vehicle documentation. Those setting up a novated lease or EV salary sacrifice for a BYD Sealion 7 in Australia should ensure any electronic additions are approved by their leasing provider.

Performance Modifications & Tuning Risks

The drive unit comprises a rear permanent magnet synchronous motor delivering 230 kW and 380 Nm. The Performance trim adds a front squirrel cage induction asynchronous motor of 160 kW and 310 Nm, achieving a combined maximum power of 390 kW and a 0-100 km/h acceleration of 4.5 seconds. Given these verified figures, ECU/MCU tuning and software modifications are entirely unnecessary and highly discouraged.

EVDirect and BYD warranty terms expressly prohibit unofficial software modifications, ECU/MCU tuning, or battery management bypass. Altering the motor control logic or high-voltage parameters creates severe warranty risks and can invalidate vehicle insurance. Any modification to the software compromises the environmental and Australian Design Rules (ADR) compliance. Dangerous work involving the high-voltage system, brakes, steering, airbags, charging hardware, or ADAS calibration must be done by an authorised BYD dealer or qualified technician. High-voltage orange cables must not be touched or opened by owners.

Powertrain Conversions

The vehicle operates exclusively as a pure electric (BEV) model, built on the BYD e-Platform 3.0 Evo architecture with CTB battery integration. There is no petrol engine, no exhaust system, no spark plugs, and no engine oil.

Consequently, powertrain conversions are irrelevant. BYD Australia does not offer, support, or authorise LPG, CNG, or autogas conversions. Any third-party conversion or aftermarket gas modification is strictly void of manufacturer warranty. The vehicle requires recharging via its AC charging port Type 2 (11 kW) or DC charging port CCS 2 (150 kW). For inquiries regarding the Australian release date and price of the BYD Sealion 7, or the driveaway price when order books open, buyers should direct their questions to the local retail network.

Suspension & Chassis Upgrades

The factory chassis utilises a double wishbone front suspension and a multi-link rear setup, equipped with Frequency Selective Damping (FSD) shock absorbers front and rear. Altering the suspension geometry with aftermarket lowering springs or lift kits can negatively impact the vehicle’s handling dynamics, minimum turning radius of 5.85 m, and overall safety.

Suspension modifications may also misalign the advanced driver assistance systems, including lane keeping assist, automatic emergency braking, and blind spot detection. Any changes to the ride height or shock absorbers require rigorous recalibration. Therefore, owners are advised against tampering with the factory suspension configuration. Always consult an authorised BYD dealer before considering any alterations to the chassis or braking components, such as the ventilated and drilled front discs.

Frequently Asked Questions

Can I install aftermarket software on the infotainment system?

Infotainment sideloading risks include system instability and interference with over-the-air (OTA) updates. EVDirect and BYD warranty terms expressly prohibit unofficial software modifications.

What is the towing capacity of the vehicle?

Towing capacity is not stated in the official brochure. Owners must consult an authorised BYD dealer to confirm the approved towing limits.

Does the vehicle support LPG or gas conversions?

No. The vehicle operates as a pure electric (BEV) model with no petrol engine. BYD Australia does not offer, support, or authorise LPG, CNG, or autogas conversions.

How can I power external devices using the vehicle battery?

Owners can utilise the V2L function and V2L discharge adapter to run external appliances. Always ensure the power draw remains within the limits specified in the vehicle documentation.

Can I upgrade the high-voltage battery or motors?

No. Altering the battery or motor control logic creates severe warranty risks and can invalidate vehicle insurance. High-voltage orange cables must not be touched or opened by owners.

See Also

Sources

Disclaimer: This guide is for informational purposes only. Official specifications, recall details, and warranty terms are determined by BYD Automotive Australia (EVDirect). Always consult an authorized dealer or official owner’s manual.