Nissens 996273 Engine Coolant Reservoir

Engine Coolant Reservoir for BMW V8 Models

This Nissens engine coolant reservoir is a pressurized plastic replacement tank built for BMW cooling systems that require a level sensor, cap, and mounting bracket. It is engineered for select 2002-2008 BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li applications, including part number 996273.

Key Features

• Plastic reservoir construction for OE-style cooling system fitment
• Pressurized design for modern BMW coolant expansion systems
• Cap included with high quality plastic cap type
• Level sensor included for monitored coolant level operation
• Mounting bracket included for proper reservoir support
• 1.05L capacity for the specified application
• Brand: Nissens, part number 996273

Detailed Description

Nissens 996273 is an engine coolant reservoir developed for thermal management applications where stable coolant expansion and level monitoring are required. The reservoir is made from plastic and supplied as a pressurized unit with a cap, level sensor, and mounting bracket. For BMW cooling system service, this reservoir is a direct-fit option for select 2002-2008 BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li models. If you are replacing a cracked tank, a leaking seam, or a reservoir with a faulty level sensor, Nissens 996273 provides the core components needed for a proper replacement. This part cross-references Standard Ignition CXT105 for the same application.

Vehicle Fitment

• Fits 2006-2008 BMW 750i, N/A
• Fits 2006-2008 BMW 750Li, N/A
• Fits 2003-2008 BMW 760Li, N/A
• Fits 2004-2006 BMW 760i, N/A
• Fits 2002-2005 BMW 745i, N/A
• Fits 2002-2005 BMW 745Li, N/A

Common Replacement Reasons

• Cracked or brittle coolant reservoir housing
• Coolant leaks from the tank or seams
• Faulty coolant level sensor warning
• Damaged or missing reservoir cap
• Loose or broken reservoir mounting points

Installation Notes and Tips

Verify the existing reservoir style, sensor connection, and mounting points before installation. Transfer or connect the cooling system components according to the vehicle service procedure, then refill and bleed the system carefully to remove trapped air. Because this reservoir is pressurized, inspect the cap seal and surrounding hoses during installation to confirm the cooling system is sealed correctly.

Quality Assurance

Nissens develops thermal and engine efficiency components for aftermarket use with a focus on consistent manufacturing quality. Part number 996273 is built to meet the application requirements for the listed BMW models and cooling system configuration.