BMW Cooling System Parts & Accessories

This plastic water pipe is positioned directly underneath your intake manifold. Due to its plastic construction, it is notorious for catastrophic failure. Rapid cooling loss and overheating are both direct results of this failure, posing permanent and lasting damage to the engine.

Replace your cracked/broken coolant pipe with this high-quality Bavarian Autosport component to ensure long-term reliability and perfect fitment.

From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

BMW N47 N55 Expansion Tank from Turner Motorsport is a high-quality replacement designed to address issues with cracked or damaged coolant expansion tanks. Engineered for durability and performance, this expansion tank ensures reliable cooling system function.

• Durable Construction: Built to withstand high temperatures and pressure, ensuring long-term reliability.
• Direct Replacement: Engineered as a precise fit for BMW N47 and N55 engines, making installation straightforward and hassle-free.
• Enhanced Cooling Efficiency: Maintains optimal coolant levels and pressure for effective engine cooling.
• High-Quality Materials: Manufactured from premium materials to resist cracking and leaks.

BMW N55 3.0L Water Pump is an essential component for maintaining the performance and reliability of your BMW. Manufactured by Turner Motorsport, this high-quality water pump is designed to ensure optimal cooling efficiency for the N55 3.0L engine.

• Reliable Performance: Designed to handle the high demands of the BMW N55 engine, ensuring consistent cooling performance.
• High-Quality Construction: Made with durable materials to resist wear and provide long-lasting service.
• Prevents Overheating: Helps prevent engine overheating by effectively circulating coolant throughout the engine.
• Reduces Coolant Leaks: Engineered to minimize the risk of leaks, maintaining proper coolant levels and engine temperature.
• Quiet Operation: Operates smoothly and quietly, avoiding the whining noises often associated with failing pumps.

BMW N20 2.0L Thermostat With Housing ensures optimal engine performance by maintaining the correct operating temperature. This crucial component regulates coolant flow, preventing issues related to overheating or inadequate cooling. The thermostat plays a vital role in your BMW’s temperature gauge, influencing engine efficiency and longevity.

• Precision Temperature Control: Maintains the engine within the ideal temperature range for optimal performance and efficiency.
• Complete Assembly: Includes the thermostat and housing, offering a convenient and comprehensive solution for replacements.
• Reliable Operation: Helps prevent common issues such as overheating or running too cool by regulating coolant flow effectively.
• Enhanced Engine Life: Ensures the engine operates under ideal conditions, extending its lifespan and improving overall performance.
• High-Quality Construction: Designed to meet or exceed OEM specifications, providing durability and reliable performance.

Upgrade your BMW with the N20 2.0L Thermostat With Housing to ensure reliable temperature management and enhanced engine performance.

When you push your powerplant, thermodynamics push right back. The toll of high performance is higher heat load – and many stock components begin to complain. But Active Autowerke has you covered - this upgraded fan clutch increases viscous coupling of cooling fan blade speed to water pump speed, yielding increased airflow through the radiator for more efficient cooling. A simple, yet wonderful, thing.

This product fits the following BMWs:
1992-1999 E36 323i 325i 328i 330i M3
1998-2006 E46 323i 325i 328i 330i M3

The coolant expansion tank provides hot coolant with a place to travel, preventing pressure buildup within your cooling system. On many BMWs, this component is constructed from plastic. While cheap to replace and manufacture, a failed cooling tank can cause costly engine damage.

With this issue in mind, Moroso designed a high-quality replacement. Featuring TIG welded, 100% aluminum construction, this tank is sure to outperform it's factory counterpart.

Features:

Key Benefits:

Direct bolt-in replacement for stock, 2 piece plastic tank Fabricated Aluminum for strength, factory tanks fail after repeated high heat situations & age Features billet aluminum mounting tab/bleeder assembly for strength and precision No cutting of factory hoses is required and accepts the factory clip-on hose Moroso part (63324) racing radiator cap included; operates in the same pressure range as the factory cap Moroso radiator cap mounts to a billet aluminum neck that will not strip out like plastic threaded necks This aluminum tank can be polished, chromed, powder coated or left as-is

The N54 engine is prone to running hot. If you want to track your BMW, we highly recommend upgrading your cooling system. One great option is this BMW M Performance Cooling Kit for your 135i and 335i/xi. This kit includes a new fan and fan shroud, new cooling hoses, and an additional coolant radiator for increased cooling! Also included are all the necessary components for installation .

BMW Performance Power Kit
Fits BMW Engines including:
N54