Experience true BMW performance with a premium S54, known for its high-revving power and precision engineering. Each unit is inspected and tested for compression, oil pressure, and timing accuracy to ensure flawless operation. The S54 engine delivers smooth, responsive acceleration, making it ideal for E46 M3s and Z4M models. Designed for performance enthusiasts, this engine offers incredible durability and top-end power. Backed by warranty and expert inspection, our S54 engine gives you factory-grade performance and dependability for years of driving excitement.