Classic BMW X3 Electric Conversion Solution

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BMW X3

BMW X3 Electric Conversion Solution: Drivetrain Modification and Component Overview

The BMW X3 is a compact luxury crossover SUV that has been in production since 2003. It is part of BMW’s X series, which includes a range of SUVs and crossover vehicles. Nowadays more and more  X3 owners began to want to retrofit it from gasoline version to electric one. Below we make a detailed analysis of the X3 drivetrain modification accessories and provide you with our conversion plan.

The motor kit includes: motor, controller, wiring harness, DC-DC converter, accelerator/gas pedal, gear selector R/N/D, vacuum brake booster, EPS, lithium battery pack, charger, etc.

Parts Included in the Ford Mustang Conversion Kit

🧩 Vehicle Support Systems

We can also provide you with other modification parts, or customize modification solutions for you, please contact us
20kw144vkitmotor5
Motor for the Electrification Conversion of BMW X3

When converting a BMW X3 to electric, choosing the right motor is crucial. The motor replaces the internal combustion engine and converts battery power into mechanical energy, impacting acceleration, load capacity, and top speed.

Key Selection Criteria:

Peak Power & Torque: Our recommended motor offers a peak power of 20 kW and a peak torque of 230 Nm, providing ample performance for the BMW X3’s driving dynamics.

Speed Range: The motor operates within a speed range of 4000-6800 rpm, ensuring sustained power delivery across various driving conditions.

Voltage Compatibility: This motor is compatible with 144 V systems, making it ideal for retrofitting into the BMW X3’s existing electrical architecture.

Cooling: The motor features an efficient air-cooling system, suitable for moderate driving intensities and reducing the need for additional cooling infrastructure.

Dimensions: Designed to fit within the original engine bay, this motor minimizes the need for extensive modifications, preserving the vehicle’s structural integrity.

Integration: The motor comes as part of an integrated system that includes necessary components such as the controller, wiring harness, DC-DC converter, and charger, simplifying the installation process.

For reliable results, reference successful BMW X3 conversion cases from our satisfied customers and select brands with strong technical support. Our engineers at CMVTE have extensive experience in this field. Contact us to customize your solution.

Learn More About the High-Performance Electric Motor Used in the Conversion of the BMW X3 to an Electric Vehicle

motor controllers
Controller for the Electrification Conversion of BMW X3

CMVTE’s motor controllers are engineered to deliver exceptional performance and reliability in electric vehicle conversions. Our team of experts has extensive experience in designing and manufacturing motor controllers that meet the highest standards of quality and efficiency. By choosing our 144V controller with a peak current of 500A, you can ensure a smooth and efficient transition from gasoline to electric power in your BMW X3.

Learn More About Motor Controllers for the Electrification Conversion of BMW X3

motor adapter and coupler
Motor Shaft Coupling and Adapter Plate for the Electrification Conversion of BMW X3

In the electric conversion of the BMW X3, the motor shaft coupling and adapter plate are used to precisely connect the electric motor to the original transmission or drivetrain, ensuring efficient power transfer and structural stability. This is particularly important for the traditional BMW X3 manual transmission, which features a front-engine, rear-wheel-drive layout. Our solution allows for the direct connection of our electric motor to the existing gearbox, retaining the flywheel and clutch assembly.

Key Benefits:

  • Seamless Integration: By directly connecting the electric motor to the original transmission, we maintain the vehicle’s structural integrity and minimize modifications.
  • Efficient Power Transfer: The motor shaft coupling ensures that power is transferred efficiently from the electric motor to the wheels, preserving the driving dynamics of the BMW X3.
  • Structural Stability: The adapter plate provides a stable interface between the motor and the transmission, ensuring reliable performance under various driving conditions.
  • Customized Solutions: CMVTE offers customized coupling and adapter plate solutions to match the specific requirements of the BMW X3, including motor shaft size, spline type, and vehicle interface.

Learn More About Motor Shaft Coupling and Adapter Plate for the Electrification Conversion of BMW X3

500W High Efficiency DC to DC Converter 72V to 12V for Low Speed Electric Vehicles 2
DC-DC Converter for the Electrification Conversion of BMW X3

In the electric conversion of the BMW X3, the DC-DC converter plays a crucial role by stepping down the high-voltage power from the main battery pack (typically around 144V) to a stable 12V output. This low voltage powers the vehicle’s original systems such as lighting, dashboard, central control, and more, while also continuously charging the auxiliary battery, effectively replacing the function of the original alternator. When selecting a DC-DC converter, it’s important to consider factors such as input voltage range, output power (recommended ≥500W), efficiency, protection rating, electrical isolation, and CAN communication support to ensure overall system stability.

The Silent Guardian of Your BMW X3 EV Conversion: Choosing the Perfect DC-DC Converter

DP 06C 1
12V SOC Meter for BMW X3
  • This is a 12V instrument cluster specifically designed for the electrification conversion of the BMW X3. It can indicate converted vehicle speed, battery capacity (SOC), turning signals, forward & reverse gear, etc.
  • One of the key advantages of our conversion solution is that it preserves the original gearbox and all necessary electronic components of the classic BMW X3. This means that the original dashboard instruments can be retained, maintaining the vehicle’s classic aesthetic and feel. However, to provide essential information about the electric system, we have added a dedicated small SOC (State of Charge) meter.

    The design and shape of this SOC meter are compact and unobtrusive, ensuring it fits seamlessly into the existing dashboard layout without compromising the original look. Due to the CAN BUS in the controller and battery BMS, the original car meter can only indicate the speed of the vehicle and cannot show battery capacity. Therefore, this new SOC meter serves as an essential addition, providing real-time battery information at a glance.

How to Choose a Small SOC Display Meter for Your BMW X3 EV Conversion

on board battery charger
144V 25A Air-Cooled Onboard Charger for BMW X3

Meet the charging demands of modern electric vehicles with our high-efficiency, intelligent onboard charger specifically designed for the BMW X3. Engineered with advanced technology, it delivers reliable and efficient charging while ensuring seamless integration with our battery management system (BMS).

Features of Our 144V 25A Wind-Cooled Onboard Charger:

  • High Efficiency: Utilizing cutting-edge LLC resonant technology and active power factor correction (PFC), this charger achieves up to 99% power efficiency, minimizing energy loss and ensuring cost-effective and eco-friendly performance.
  • Wide Input Voltage Range: Designed for global use, the charger supports a wide input voltage range, compatible with universal voltages, making it ideal for diverse environments.
  • Compact and Lightweight Structure: With an IP66-rated waterproof design, this charger is built to withstand various weather conditions, ensuring durability and reliability.
  • Advanced Battery Monitoring: The embedded CPU continuously monitors battery conditions, preventing overcharging and overheating to extend battery lifespan and ensure safety.
  • Multi-Layer Protection Systems: Featuring temperature compensation, reverse connection, short circuit, overvoltage, and overheat safeguards, the device guarantees stable and reliable operation.
  • Quiet and Fanless Design: The sleek appearance and quiet operation add to its user-friendly appeal, making it suitable for both personal and commercial applications.

How to Choose a Air-Cooled Onboard Charger for Your BMW X3 EV Conversion

lithium ion battery pack
Lithium Battery Pack Solution for BMW X3

Lithium batteries are the core power components of electric vehicles, especially for our popular BMW X3. Our 144V 105Ah lithium battery pack, featuring phosphate iron lithium (LiFePO4) cells, provides a reliable and efficient power source for your vehicle’s electrification needs.

Advantages of Lithium Batteries in Electric Vehicles

Compared with traditional fuel engines, lithium batteries can provide a quieter and smoother power output for the vehicle. This is because the operation characteristics of the motor are not like the vibration and noise in the combustion and mechanical transmission process of the internal combustion engine, making the driving experience of electric vehicles more comfortable during the driving process.

How to Choose the Right Lithium Battery Pack for Your BMW X3 EV Conversion

Vacuum Brake Booster Pump
Vacuum Brake Booster Pump System for BMW X3

In conventional fuel-powered BMW X3 models, the vacuum-assisted brake pump uses the vacuum generated by the engine intake manifold to provide power. However, during the process of converting from gasoline to electricity, the vehicle’s power system changes from a fuel engine to an electric drive system. This necessitates a shift to an electrically powered brake booster pump, as the original system relies on the internal combustion engine for its operation.

  • Reliable Performance: The electric brake booster pump provides consistent and reliable performance, ensuring that drivers can rely on their brakes in various driving conditions.
  • Easy Installation: Designed with ease of installation in mind, our brake booster pump can be quickly and effortlessly integrated into the existing braking system of the BMW X3.
  • Enhanced Safety: By maintaining the assisted braking function, the electric brake booster pump enhances overall vehicle safety, providing drivers with the confidence they need when transitioning to an electric drivetrain.
  • Compatibility with 12V Power Source: Powered by a 12V source, this brake booster pump is compatible with the electrical systems of most vehicles, making it a versatile solution for a wide range of applications.

Learn More About the Vacuum Brake Booster Pump System for the Electric Conversion of BMW X3

EPS 2
Why Consider Upgrading Your Electric Power Steering (EPS) for BMW X3?

If you’re converting a BMW X3 manual transmission model to electric, it’s important to evaluate the existing Electric Power Steering (EPS) system. Since the original EPS in the BMW X3 is already electrically powered by 12V, it may not require replacement if it is functioning well. However, upgrading to a new EPS can offer several advantages. Here’s why:

Key Benefits of Upgrading Your EPS for BMW X3 Conversion:

  1. Compatibility with Electric Vehicles:
    • Traditional hydraulic systems rely on engine-driven pumps, which are incompatible with EV conversions. An upgraded EPS uses an electric motor powered by the vehicle’s battery, ensuring seamless integration with your electric drivetrain.
  2. Improved Efficiency:
    • A new EPS can reduce energy consumption by up to 10-15%, lowering overall power demands on your EV’s battery system. This efficiency translates into extended driving range and better performance.
  3. Enhanced Driving Experience:
    • Adaptive Steering Feel: The upgraded EPS adjusts steering effort based on speed, providing a light feel at low speeds and a firm feel at high speeds.
    • Smaller Turning Radius: Ideal for tight maneuvers, enhancing maneuverability and control in urban environments.
  4. Reliability & Low Maintenance:
    • No risk of hydraulic fluid leaks or seal degradation, common issues with traditional hydraulic systems.
    • Fewer moving parts mean a longer lifespan and reduced repair costs, ensuring a more reliable steering system over time.
  5. Easy Installation:
    • Our EPS kits include pre-assembled components designed to fit seamlessly into the BMW X3’s existing framework. The installation process is straightforward, minimizing downtime and ensuring a smooth transition to electric power.

When Should You Upgrade Your EPS?

While the original EPS in the BMW X3 is electric and may work well, there are scenarios where an upgrade is beneficial:

  • If the existing EPS shows signs of wear or malfunction.
  • To take advantage of the improved efficiency and enhanced driving experience offered by the latest EPS technology.
  • For peace of mind, knowing that your steering system is optimized for your electric conversion.

Learn More About the Electric Power Steering Kit for the Electric Conversion of BMW X3

If you have any questions about the components for your Ford Mustang electric conversion, please feel free to contact us!

Successful Conversion Cases We've Delivered for Our Clients:

This is one of our customers from Panama who used our 20 kW, 144 V motor kit. He made the coupler and adapter himself and is very happy with the conversion results. He has placed repeat orders five times. Check out the conversion video he made.

Questions About Electric BMW X3

Yes, we provide all electronic parts for conversion.  We also provide wire diagram system, each part user manual, so you will have no obstacles for installation and connection of the system.

Yes, we provide motor spline coupler and adapter plate to install motor to original transmisison. But the original transmission’s clutch need to get removed. If you want to keep clutch, you need modify the spline coupler to clutch a bit. Because we do not have car in hand, so we bought a old transmission without clutch to make the coupler and adapter kit.

We provide two years for battery, and one year warranty for other parts. We only use top grade quality products. If any parts failure from manufacturing issues, we provide repair parts for replacement.

If we have stocks ready to go, the lead time is one weeek after order confirmed.  if we have no stocks, lead time might be 4 weeks after order confirmed.

After you have discussed with sales manager all details of the order, he or she will make proforma invoice with all details and bank accounts for payment, normally payment is through bank to bank T/T. Other payment ways are also flexible to accept after discussion.

We only use top brand of cells in China, like EVE, like Gotion etc, most of the case we use EVE brand pure new and A grade cells to make pack. And in our battery pack we surely use real automobile grade BMS, not simple protection board.

We care about reputation more than our customers!

We are real manufacturer, not sales trade office/company,  we started our motor production from 1995 in China. In conversion we now have more than 10 year experiencee. In the whole drive systems, we do not produce all parts, but motor we make, controller we provide CAN BUS and technical requests to our partner, same as lithium battery pack and wire hanress of the system, the design and CAN BUS are from us. other accessories like gas peda, meter etc we get from reliable partners.

Except motor and drive train solution, we also owns our own low speed electric vehicle assembly factory, its website/brand is www.gmtlsv.com

In short, we are EV expert with decades experience in China!

Yes, our key electronic components are with CE certificate for Europe markets, so at the moment, we ship to Europe like France, UK, Germany, Italy, Sweden, Belgium, Turkey etc. 

We also have ISO9001 quality manage certificate.

For our EV products, we also have WMI (World Manufacturer Identifier) certificate, each vehilce has its VIN number.

To some particular countries, they have requests in import or tax reduces policy such as for Africa countries and Middle East, COC or  SABER might needed for import. For some countries, certificate of origin: FORM A, FORM E etc are requested. We all have experience to make for customers.

Yes, of course, our engineers who can speak English directly, video talk/email/Whatsapp they can communicate and serve customers without obstacles.

No matter before-sales or after sales, we all request in time response 24 hours and 7 days as long as we see the requests. 

For necessary project, we can also send engineers to customers’ company for guide or training. 

We also welcome customers to send engineers to us for onsite learning and training!

Yes, no problem, we support that.  We hope customers can do longterm business so customization of his logo is OK

Please consult with our sales Director :

[email protected]

whatsapp/wechat: + 86 1812358 9096

We are more than welcome for your inquiries.

Contact us for a more complete retrofit

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