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We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on.
Other items to consider replacing at the same time are the radiator cap, coolant level sensor, lower radiator hose, coolant temp sensor, and the hose clamps. If your car has an automatic transmission you should also replace the oil cooler thermostat in the radiator frame, which is a common source for leaks.
As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
This item fits the following BMWs:
2000-2003 E53 BMW X5 4.4i 4.6is
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
This item fits the following BMWs:
2000-2003 E53 BMW X5 4.4i 4.6is
This product was last offered at the strikethrough price on
07-14-2026
Ensure the optimal performance of your BMW by addressing the crucial component of the water pump. Turner Motorsport provides high-quality water pumps designed to keep coolant flowing smoothly. If left unchecked, a failing water pump can lead to overheating issues, potentially causing damage to engine internals. Common among German vehicles, water pump failure may result in unnecessary visits to the repair shop. Preventive maintenance, especially during timing belt replacements, is essential to avoid rapid coolant temperature rise and potential engine damage.
This product was last offered at the strikethrough price on
05-15-2026
This product was last offered at the strikethrough price on
05-15-2026
This product was last offered at the strikethrough price on
05-15-2026
This product was last offered at the strikethrough price on
04-28-2026
Thermostat Assembly 82C is a high-quality, precision-engineered component designed to regulate the engine's cooling system effectively. Manufactured to meet or exceed OEM specifications, this thermostat helps ensure optimal engine performance by maintaining the ideal operating temperature. Available from Turner Motorsport, this part offers superior durability and reliability for a wide range of vehicle models.
Upgrade your vehicle's cooling system with this essential Thermostat Assembly 82C, ensuring smooth engine operation under various driving conditions.
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L
Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.
Fits the following BMWs:
2003+ E53 BMW X5 N62 4.4L 4.8L
