Genuine OEM 11611436644 - Vacuum Hose

Product Overview

This Genuine OEM 11611436644 vacuum hose is engineered to original BMW specifications and fits the E38 and E39 7 Series, 5 Series, and E53 X5 models from 1998 to 2003. The vacuum hose is a critical component of the engine's emission control and brake booster systems, directing pressurized air and vacuum signals throughout the engine bay. As a factory-original part, it delivers the exact fit, materials, and performance your BMW was designed with, backed by OEM quality assurance.

This vacuum hose is sold individually. Depending on your repair scope, you may need additional hoses for a complete system service.

Symptoms of a Failing Vacuum Hose

• Rough idle or unstable engine running at stops
• Hissing or whistling sounds from the engine bay
• Soft or spongy brake pedal feel
• Check Engine Light or fault codes related to emission systems
• Loss of power assist in brake operation
• Visible cracks, splits, or deterioration in hose material

Cross Reference Numbers

This Genuine OEM 11611436644 is equivalent to or replaces the following part numbers: 11-61-1-436-644, 11611436644.

Vehicle Compatibility

This part fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• BMW 540i 4.4 V8 Gas (E39): 1998–2003
• BMW 740i 4.4 V8 Gas (E38): 1998–2001
• BMW 740iL 4.4 V8 Gas (E38): 1998–2001
• BMW X5 4.4i 4.4 V8 Gas (E53): 2000–2003
• BMW X5 4.6is 4.6 V8 Gas (E53): 2002–2003
• BMW Z8 Alpina 4.8 V8 Gas (E52): 2003

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

Often Replaced Together

For a complete vacuum system service, many owners replace the following at the same time:

• Additional vacuum hoses (secondary lines and connectors)
• Vacuum check valves and one-way check valves
• Brake booster diaphragm (if booster symptoms are present)
• Fuel pressure regulator vacuum line
• Emission control system hoses

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Frequently Asked Questions

How do I know if my BMW E38 or E39 vacuum hose needs replacement?

Vacuum hoses deteriorate from heat and age, becoming brittle and prone to cracking. Symptoms include rough idle, soft brake pedal, hissing sounds from the engine bay, or a Check Engine Light. Inspect hoses visually for visible cracks, splits, or areas where the rubber has hardened and lost flexibility. Any visible damage warrants replacement.

What is the role of this vacuum hose in my BMW?

Vacuum hoses route engine vacuum to critical systems including the brake booster, emission control valves, fuel pressure regulator, and heating and ventilation controls. A leak in any vacuum line can cause brake assist loss, rough running, and emission system faults. This OEM hose ensures proper vacuum signal delivery and system integrity.

Can I use an aftermarket or universal vacuum hose instead of the Genuine OEM part?

While some aftermarket hoses may fit, Genuine OEM parts are engineered to exact BMW specifications for diameter, wall thickness, material composition, and routing. Using the factory part guarantees compatibility with your emission and brake systems and maintains the integrity of vacuum-dependent components. OEM hoses also carry the backing of factory quality standards.

How long do vacuum hoses typically last on a BMW?

Vacuum hoses are typically rubber and degrade from heat, ozone, and age. Most hoses last 8 to 12 years or 80,000 to 120,000 miles before becoming brittle and cracking. Hotter engine bay temperatures and older vehicles may see earlier failure. Regular inspection during routine maintenance helps catch leaks before they affect brake or emission performance.

What tools do I need to replace a vacuum hose on my E38 or E39?

Replacing a vacuum hose typically requires basic hand tools such as a screwdriver set, pliers, and possibly a small hose removal tool. Before disconnecting any hose, take a photo or note the routing and connections to ensure correct reinstallation. Consult your service manual for the specific location and routing of this hose on your model.

Should I replace all vacuum hoses at the same time if one is cracked?

If one hose shows age and deterioration, others in the system are likely at similar stages of wear. Many technicians recommend replacing all accessible vacuum hoses during a major service to prevent future leaks and system faults. At minimum, inspect the entire vacuum system and replace any hoses showing visible cracks or hardening.

Order Genuine OEM 11611436644 today. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your BMW.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.