KEYDIY KD FGB57 smart key - KeyDiy.eu Official blog

How to Clone BMW U-Chassis BCP Smart Key by Keydiy KD-X4?

Posted on November 19, 2025 by admin

This guide demonstrates the process of reading and writing data for BMW U-Chassis BCP smart keys (big knife card keys) using KEY KD-X4 5-in-1 key programmer. Preparation: Required equipment: KEY KD-X4 KEYDIY KD FGB57 smart key(for U chassis vehicles) Programming… Continue Reading →

How to Add 2023 BMW G Series BDC3 Key with Keydiy KD-X4?

Posted on October 3, 2025 by admin

Good news! Keydiy KD-X4 5-in-1 key programmer now supports BMW G Series BDC3 immobilizer system for key programming. This guide walks you through adding a spare key for compatible models step by step. A major advantage is that you don’t need… Continue Reading →