3 Best Autel car key programmers Comparison & Reviews 2024


What is the best car key programmer? In truth, it depends on what you're looking for. Some key programmers are single-purpose, focused exclusively on generating new keys. Others include a range of diagnostic and service functions so they're helpful all-in-one tools for any garage.

Best Car Key Programmers Review

1. Autel MaxiIM KM100 Key Generator Kit

Autel MaxiIM KM100 Key Generator Kit

Efficient Key Programming

The Autel MaxiIM KM100 is an advanced key fob programmer and immobilizer touchscreen tablet capable of smart key creation and IMMO learning via OBD. This Android touchscreen tablet with Bluetooth VCI can program the Autel IKEY as a smart key replacement for more than 700 vehicles and offers IMMO programming capability for multiple vehicle brands including BMW, Volkswagen, Toyota, Honda, and General Motors. It also features key renewal and Transponder Editing of 20 supported protocols.


  • Extensive IMMO Key programming coverage including BMW, Volkswagen, Toyota, Honda, and General Motors
  • 60 Seconds Key Generation(Autel Universal Only)
  • Chip Read & Write, Cloning and Frequency Detection
  • Transponder Reading / Writing / Cloning
  • AutoVin vehicle identification to ensure accuracy
  • Powerful Android-based tablet with 64 GB memory and long-lasting rechargeable battery
  • Key Renewal & Transponder Editing: Supporting 36 Vehicle Makes and 20 Categories
  • Supporting Certification Requirements of Various Regions
  • Dual-Band, High Frequency Transmitter 315m/434m or 868m/915m Supporting Certification Requirements of Various Regions
  • Supporting PLC V200
Check Autel KM100 Price

2.Autel IM508S Advanced Key Fob Programming Tool

autel im508 car key program

Autel IM508 is among the most ultraportable, easy to use, and fastest key programming machines and immobilizers for all cars. This tool was among the best key programmer in 2020. It is the ideal professional choice for diagnostic and IMMO services. Here are some of the features that make this advanced key fob programming machine outstanding:

1. XP200 Key Programmer

The XP200 Key Programmer feature enables Autel IM508 Advanced Key Fob Programming Tool to perform IMMO ECU programming. It is specifically designed for reading Volkswagen's key chip data and clones.

It also enables reading and writing Freescale 9S12 MCUs, reading and writing on-board EEPROM data, and generating exclusive keys. When working with a diagnostic tool and PC with a programmer software, XP200 key programmer writes and reads key chip data more accurately and quickly.

2. Advanced IMMO and Key Programming

This Autel IM508 key programming machine offers you a variety of advanced IMMO functions. These functions include Key Learning, Key Generation, Read Pin/CS for all keys lost, and remote learning. Other functions you get are BMWCar CAS3/2 Key Learning, BenzCar FEM/BDC Key Learning, ECU Adaptation, and Coding/Refresh/Reset/Adaptation of IMMO ECU, among many other functions.

3. Works with XP400 Pro

The Autel IM508 key programming machine also works with XP400 Pro. When you connect Autel IM508 to an XP400 Pro programmer, you get similar programming features, and IMMO functions as the Autel IM608. This extends its capability of supporting IMMO functions such as Mercedes infrared key read and write BMW car CAS4 key learning and programming functions, IC card read and write, MC9S12 encryption chip read, and write, remote frequency detect and also supports PC connection.

4. Has Diverse Services Functions

Autel IM508 immobilizer key programmer also acts as a professional diagnostic scanner providing you with many useful service functions. They include TPMS sensors ID relearn, SAS calibration, reset parking brake pads after replacement, oil reset, and BMS. It also performs active tests for testing functionality and integrity of individual components and systems.

5. OE- Level All Modules Diagnosis

THE Autel IM508 scan tool performs quick diagnosis for all modules beyond 80 European, Asian, and US vehicle models and makes in the market. You can check the compatibility of your vehicle by sending the VIN to the manufacturer. This is the ideal automotive diagnostic tool for mechanics and technicians since it has complete capabilities for coding, matching, adaptation, ECU info, and live data.


  • Has advanced key of expert mode programming

  • Offers high maintenance services

  • It has an easy to use the touchscreen

  • Wide and reliable internal memory

  • Works on a wide variety of vehicles

  • Compatible with XP400 programmer

  • Have both smart and expert modes

3.Autel MaxiIM IM608S II: best automotive locksmith programming tool

autel maxiim im608s ii key programmer

If you're looking for the best key programmer for professionals, the Autel MaxiIM IM608S II is your answer. This multi-functional diagnostic tool has powerful functionality you won't find anywhere else. It is one of the most advanced all-in-one programming tools available. To top it off, it's compatible with about 80 different manufacturers.

You'll get full access to the IMMO system using the Autel MaxiIM IM608S II. This includes programming new keys and remote controls, as well as reading keys and reading data from the engine computer. It also offers pats programming. The Smart Mode is beneficial, walking you through the process step by step. More experienced mechanics can use Expert Mode to access individual functions.

So what's not to love about the Autel MaxiIM IM608S II? The price. At over three grand, it's the most expensive option on the list. Having said that, professionals who need full ECU control for various vehicles will find it well worth the investment.


  • Professional key programming with complete IMMO support

  • IMMO Smart Mode walks you through making keys step by step

  • Reads and writes data to ECU

  • Compatible with more than 80 manufacturers

  • 10” touchscreen easy to read and use

  • All-system diagnosis with bi-directional control

  • Built-in 8MP camera with flashlight

The Autel MaxiIM IM608S II is the best key programmer for professionals, giving you complete control over key programming and IMMO systems. While it is more expensive, the cost is worth it if you need full functionality and wide compatibility.

Final Thoughts

Most key programmers are pretty costly, but you can find a great deal if you look. The higher the cost, the more diagnostic and programming functions it will offer. Vehicle compatibility also goes up with the price, which is important if you're buying the best car key programmer for a professional garage. Getting the right one really comes down to knowing what you need! We hope the reviews and comparison above have helped you identify the perfect tool for you.

Autle MaixIM KM100 VS IM508S VS IM608 Pro VS IM608S II/IM608 Pro II(IM608 II)

Click to read the comparison chart

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