The Genuine BMW Fuel Injector Seal Compression Sleeve (#1) is a high-quality component designed for use in BMW vehicles. It is used to securely hold the fuel injector in place and prevent any leaks or fuel spray. This compression sleeve is made from durable materials and is designed to withstand the high pressures and temperatures of the fuel system. It is an essential part of the fuel injection system and ensures proper functioning and performance of the vehicle. This product is an authentic BMW part and is recommended for use in BMW vehicles for optimal performance and reliability.