Oil Pipe BMW F10 M5 F13 M6 X5 E70 S63 Turbocharger Oil Hose Line 1-4 Cyl 7844986

The BMW F10 M5 F13 M6 X5 E70 S63 Turbocharger Oil Hose 1-4 Cyl is a genuine turbocharger and parts component designed for the turbocharger system in S63 engines. This oil hose ensures proper turbocharger lubrication for cylinders 1-4, which is crucial for stable engine operation and the durability of the entire turbocharger system.

Specifications and technical data

• SKU: 7844986
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7844986
• Substitutable numbers: 7844986, 11427844986, 7589095, 11427589095
• Category: Turbos & Parts

Purpose and function of the turbocharger oil line

The turbocharger oil line is responsible for supplying engine oil at the correct pressure to the turbocharger serving cylinders 1-4 in the S63 engine. Proper oil flow:

• reduces wear of turbocharger bearings,
• stabilizes the operating temperature of the rotor,
• reduces the risk of seizure and leaks,
• supports the maintenance of factory charging parameters.

Using an original hose in place of a worn or leaking component restores proper lubrication and protects the expensive turbocharger from damage.

Why choose the original BMW turbocharger hose from the turbocharger and parts category?

Original BMW workmanship means retaining the original hose geometry, internal diameter, and mounting points. This ensures the component fits the system without modifications, and installation is predictable and consistent with service documentation.

Compared to alternatives, the original oil hose from the turbocharger and parts category provides:

• exact fit to the S63 engine in the F10 M5, F13 M6 and X5 E70 models,
• adequate resistance to oil temperature and pressure,
• maintaining factory flow parameters,
• consistency with other components of the charging system.

Used condition – a conscious choice in service and tuning projects

The cable offered is in used condition, representing a reasonable compromise between cost and functionality. For many service and tuning projects where original equipment compatibility and budget control are key, this choice is practical and technically justified.

To better prepare for buying second-hand parts, including turbocharger components, it's worth reviewing a guide that describes common pitfalls when selecting tuning parts. Practical tips can be found in the article " Buying Used Car Parts – The Most Common Mistakes When Choosing Tuning Parts ," which helps you avoid poor decisions when assembling your engine components.

Application in the S63 engine - benefits of proper turbocharger lubrication

In high-performance supercharged engines like the S63, stable turbocharger lubrication is key to trouble-free operation. A functioning oil line for cylinders 1–4:

• reduces the risk of power drops resulting from turbocharger overheating,
• supports smooth engine operation across the full speed range,
• reduces the likelihood of carbon deposits forming in bearings,
• allows you to maintain the unit's work culture at a level close to factory level.

Replacing a worn-out hose with an original element from the same product line is particularly important in cars operated dynamically or after software modifications.

Selection of other BMW turbocharger oil lines

If you're assembling a full set of turbocharger components and need other BMW turbocharger oil lines, please use the dedicated product category. Check available BMW turbocharger oil lines to select the remaining lubrication system sections compatible with your model.

Summary

The BMW F10 M5 F13 M6 X5 E70 S63 Turbocharger Oil Hose 1-4 Cyl is an original, used component from the Turbocharger and Parts category, designed to ensure proper lubrication of the turbocharger serving the first group of cylinders. Choosing this component allows you to maintain proper turbocharging system performance, reduce the risk of costly breakdowns, and maintain consistency with the factory design of the S63 engine.