--- product_id: 807155789 title: "EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935" brand: "taizeishaige" price: "238.47 DT" currency: TND in_stock: true category: "Taizeishaige" url: https://www.desertcart.tn/products/807155789-ews3-ews4-test-platform-compatible-with-bmw-tester-elm-key store_origin: TN region: Tunisia --- # 12V dynamic power distribution Smart power management High insulation & safety EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 **Brand:** taizeishaige **Price:** 238.47 DT **Availability:** ✅ In Stock ## Summary > 🔑 Unlock flawless BMW & Land Rover key programming with smart power and safety! ## Quick Answers - **What is this?** EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 by taizeishaige - **How much does it cost?** 238.47 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/807155789-ews3-ews4-test-platform-compatible-with-bmw-tester-elm-key) ## Best For - taizeishaige enthusiasts ## Why This Product - Trusted taizeishaige brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clear Visual Indicators:** White and red LED flashes provide instant, reliable feedback on device status and programming success. - • **Intelligent Safety Chip:** Built-in chip safeguards both the test platform and your key chips from damage during operation. - • **Precision Power Control:** Automatically detects and distributes power to prevent overcharging and protect your devices. - • **Universal Compatibility:** Seamlessly works with BMW EWS3, EWS4, Land Rover, and rechargeable EML keys for all your programming needs. - • **Compact & Durable Design:** Premium metal construction with high insulation resistance ensures long-lasting, safe use in any professional setting. ## Overview The EWS3 EWS4 Test Platform is a rechargeable, metal-built automotive diagnostic tool designed for professional key chip testing and programming. Compatible with BMW and Land Rover EWS systems and PCF7935/EML chips, it features intelligent power management, high insulation safety, and clear LED indicators to ensure reliable, damage-free operation. ## Description EWS3 EWS4 Test Platform Rechargeable Compatible with BMW Land RoverEWS3 EWS4 Test Platform Rechargeable Compatible with BMW Land RoverHow to use Compatible with BMW Land Rover EWS3 EWS4 Test Platform?As shown in the following picture, connect the EWS3 / EWS4 with the Test Platform, and supply 12V power Compatible with the device, you will see the white indicator flashes, it indicates EWS3 is working well; after the EWS4 is supplied with 12V power, you will see the indicator light fast flash, it indicates EWS4 is working well.After supplying the power but you can't see the white indicator flashes, it indicates EWS can't work well, please check whether 0D46J or 2D47J is not welded well, or maybe EWS is damaged, if it is so you could buy a used EWS and fix it by writing data.Put the programmed PCF7935 chip or EML electronic chip key near the middle of the test platform, and wait Compatible with 3 to 5 seconds, you will hear the relay in the EWS3 or EWS4 make a sound when working and see the red indicator flashes, it indicates the chip programming complete.Step 1: Connect EWS3 or EWS4 Compatible with BMW Land Rover EWS Test Platform.Step2: After Supplying 12V Power, You Will See White Indicator Flashes.Place the chip on the test platform as shown bellow, after the chip is correctly read out, the red indicator will flash.3. Put the induction coil on the sensing area, the indicator light will flash as shown in the following picture.4. Compatible with BMW 7 series E65 E66 and X5 EML keys are rechargeable. And this test platform is compatible with all rechargeable keys.==========Electronic : NoIs Batteries Included : NoItem Weight : 0.05kgItem Height : 5inchItem Width : 5inchItem Length : 5inchVoltage : vModel Name : SK148Software Version : EWS3 EWS4 Test PlatformHardware Version : EWS3 EWS4 Test PlatformOrigin : Mainland ChinaMaterial : MetalItem Type : Auto Key ProgrammerPower (W) : wFunction 1 : Able to test EWS3, EWS4 working or notFunction 2 : Able to test whether the PCF7935 chip or EML electronic chip key complete programming or not.Function 3 : Able to test EML key electronic chip working or not, and test after fixing EWS data.Welcome! haoyoushun specialize in auto parts that are compatible with various brands of vehicles. we strictly select from original factory standards enjoy your shopping! ## Features - High-quality, using premium materials, ensures durability and reliability. - Automatically identifies the current required by the equipment, dynamically distributes power, and avoids overcharging of low-power devices. - Built-in intelligent chip protects the equipment and the charging plate from damage. - After the battery is fully charged, it automatically cuts off power to reduce energy waste and safety risks. - The insulation resistance of the circuit board on both sides is high, withstanding voltage, and has high safety. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GC32V85R | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #5,627,057 in Automotive ( See Top 100 in Automotive ) #8,028 in Code Readers & Scan Tools | | Brand | TAIZEISHAIGE | | Brand Name | TAIZEISHAIGE | | Manufacturer | HAOYOUSHUN | | Manufacturer Part Number | OOXBDBRCO | | Model Number | HAOYOUSHUN | | Number of Items | 1 | | Operating System | Android 10.0 | | Power Source | Battery Powered | | Screen Size | 1 Centimeters | ## Images ![EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 - Image 1](https://m.media-amazon.com/images/I/51jehc-7Y3L.jpg) ![EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 - Image 2](https://m.media-amazon.com/images/I/61cJjORLC0L.jpg) ![EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 - Image 3](https://m.media-amazon.com/images/I/51-lbbnAciL.jpg) ![EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 - Image 4](https://m.media-amazon.com/images/I/51m893LG3+L.jpg) ![EWS3 EWS4 Test Platform Compatible with BMW Tester ELM Key Chip Test Platform Rechargeable Compatible with BMW Land Rover EWS Programmer PCF7935 - Image 5](https://m.media-amazon.com/images/I/51ki2C6JRRL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/807155789-ews3-ews4-test-platform-compatible-with-bmw-tester-elm-key](https://www.desertcart.tn/products/807155789-ews3-ews4-test-platform-compatible-with-bmw-tester-elm-key) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-19*