Locking Cap Coolant Reservoir for BMW E82 E89 E90 E91 E92 E93 Z4 (2007-2016) Includes:Locking Cap Coolant Reservoir, Installation Instructions Fits Models:BMW E82, E89, E90, E91, E92, E93, Z4 Model Years:2007 - 2016 Submodels:1 Series, 3 Series, 4 Series, Z4 Roadster, Z4 Coupe Engine Options:2.0L I4, 3.0L I6, 3.0L I6 Turbo, 3.2L I6 Description:Upgrade your BMW's cooling system with the Locking Cap Coolant Reservoir, designed specifically for BMW E82, E89, E90, E91, E92, E93, and Z4 models from 2007 to 2016. This high-quality coolant reservoir cap ensures a secure fit, preventing leaks and maintaining optimal engine temperature. Its durable construction enhances performance and reliability, making it an essential component for any BMW enthusiast. Features: - Precision-engineered for BMW E82, E89, E90, E91, E92, E93, and Z4 models - Provides a secure locking mechanism to prevent coolant loss - Compatible with various engine options for enhanced versatility - Improves vehicle performance by maintaining proper coolant levels - Easy installation with included instructions for a hassle-free upgrade Enhance your BMW's performance and reliability with this essential coolant reservoir cap, ensuring your vehicle runs smoothly and efficiently.