Nissens 996268 Engine Coolant Reservoir

Nissens 996268 Engine Coolant Reservoir

The Nissens 996268 engine coolant reservoir is a pressurized plastic expansion tank built for BMW cooling system service. It includes a cap, level sensor, and mounting bracket, making it a direct replacement option for select BMW Z4, X1, 128i, 135i, 328i, 335i, and related models.

Key Features

• Engine coolant reservoir for BMW cooling system applications
• Plastic construction with a 1.30L capacity
• Pressurized design with cap included
• Level sensor included for coolant monitoring
• Mounting bracket included for installation support
• Built by Nissens, a manufacturer focused on thermal and engine efficiency components

Detailed Description

Nissens 996268 is an engine coolant reservoir designed for vehicles that use a pressurized expansion tank in the cooling circuit. The plastic tank is specified with a 1.30L capacity and includes a high-quality plastic cap, level sensor, and mounting bracket. This makes it a practical replacement for BMW cooling system repairs where the reservoir, sensor, or tank assembly has aged, cracked, or lost pressure. This part cross-references URO 17137640514 for the same application.

Compatible With BMW Z4, BMW X1, BMW 128i, BMW 135i, BMW 328i, BMW 328i xDrive, BMW 335i, BMW 335i xDrive, BMW 335is, BMW 328xi, BMW 335xi, BMW 325i, BMW 325xi, BMW 330i, and BMW 330xi applications. The part number 996268 is also useful when searching for BMW coolant reservoir replacement parts and BMW expansion tank assemblies.

What It Helps Address

• Coolant loss from a cracked or leaking reservoir
• Low coolant warnings caused by a faulty level sensor
• Pressure retention issues in the cooling system
• Damaged or worn expansion tank mounting points
• Cooling system service on BMW models with reservoir-related failures

Installation Notes and Tips

Verify the reservoir shape, sensor connection, and cap style against the original unit before installation. Because this is a pressurized cooling component, inspect hoses, clamps, and adjacent plastic fittings during replacement. Confirm the mounting bracket alignment and transfer any required connections according to the vehicle’s cooling system layout. Fits 2009-2016 BMW Z4, 2013-2015 BMW X1, 2008-2013 BMW 128i, 2008-2013 BMW 135i, 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, 2007-2013 BMW 335i, 2009-2013 BMW 335i xDrive, 2011-2013 BMW 335is, 2007-2008 BMW 328xi, 2007-2008 BMW 335xi, 2006 BMW 325i, 2006 BMW 325xi, 2005-2006 BMW 330i, and 2006 BMW 330xi.

Quality Assurance

Nissens develops and manufactures thermal management components to consistent quality standards, with product engineering focused on cooling-system performance and fitment accuracy. The 996268 coolant reservoir is built as a replacement part for BMW applications that require a pressurized expansion tank with integrated level sensing.