OEM-Quality Expansion Tank Cap – Precisely engineered to meet or exceed OEM specifications, ensuring a secure and leak-free seal for your BMW's coolant reservoir.
Compatible with Multiple BMW Models – Designed for BMW 3 Series (E46), 5 Series (E39, E60), X3 (E83), X5 (E53), Z4 (E85, E86) and other compatible models. Check your vehicle's part number for fitment.
Durable & Heat-Resistant Construction – Made from high-quality reinforced plastic to withstand extreme temperatures and coolant system pressure, preventing cracks and leaks.
Prevents Coolant Leaks & Overheating – Maintains proper pressure within the cooling system, preventing coolant evaporation and potential engine overheating.
Easy & Direct Replacement – Hassle-free installation; simply remove the old cap and replace it with this high-quality alternative. No modifications required.