Turbocharger Cartridge 7780199D 860049 93171646

Turbocharger Cartridge 7780199D 860049 93171646 – Turbo Core for BMW 525d (E39) 120 kW 163 HP M57D Engine

The Turbocharger Cartridge 7780199D, also known by reference numbers 860049 and 93171646, 

is a high-performance turbo core specifically engineered for the BMW 525d (E39) equipped with the renowned M57D diesel engine. 

With a power output of 120 kW (163 horsepower), this engine was a benchmark in early 2000s diesel technology, 

and this replacement turbo core ensures that the vehicle continues to deliver optimal performance, fuel efficiency, and longevity.

Product Overview

The turbocharger cartridge (also called CHRA – Center Housing Rotating Assembly) is the heart of any turbocharger system. 

It includes the turbine wheel, compressor wheel, and bearing system enclosed in a central housing. 

The 7780199D turbo core is a direct-fit replacement for the original unit found in the BMW 525d E39, 

making it an ideal choice for mechanics, enthusiasts, and professionals looking for reliable turbocharger repairs or upgrades.

Compatibility

Make: BMW

Model: 525d (E39)

Engine: M57D 2.5L Diesel

Power: 120 kW / 163 HP

Production Years: Approx. 2000–2003

OEM Part Numbers: 7780199D, 860049, 93171646

Turbo Model: GT2052V or equivalent

This CHRA is fully compatible with the above specifications and can be installed in place of the original unit without modifications.

Key Features

High-Quality Construction
Manufactured with precision-balanced components, this turbo cartridge ensures smooth operation, 

reduced turbo lag, and enhanced durability under high thermal and mechanical stress.

Direct Replacement
Engineered to match the original dimensions and tolerances, this cartridge offers a plug-and-play solution, 

requiring no machining or custom adaptation. It’s a perfect fit for the factory housing.

Improved Performance & Efficiency
Replacing a worn or damaged turbo core restores the boost pressure, resulting in improved acceleration, 

fuel efficiency, and overall engine responsiveness.

Durable Bearing System
The cartridge includes high-performance journal or ball bearings (depending on the variant) and seals 

that resist oil coking and reduce friction, enhancing both performance and service life.

Balanced for Reliability
Each unit is VSR (Vibration Sorting Rig) balanced at high RPMs to ensure optimal performance and reliability at speeds exceeding 150,000 RPM.

Applications and Benefits

The BMW 525d (E39) is a classic executive sedan that combines comfort with robust diesel power. 

The M57D engine is praised for its torque, reliability, and efficiency. However, as with most turbocharged engines, 

the turbocharger is a critical component that may wear out due to heat, oil contamination, or high mileage.

Installing the 7780199D turbo cartridge restores lost power and eliminates common issues such as:

Excessive black smoke from the exhaust

Whining or siren-like turbo noise

Oil leakage into the intake or exhaust system

Turbo lag and underboost conditions

Poor acceleration and increased fuel consumption

By replacing just the turbo core instead of the entire turbocharger assembly, you save significantly on costs while maintaining OE-level performance.

Installation Tips

Professional installation recommended: Turbocharger components operate at extreme temperatures and speeds; professional fitting ensures long-term reliability.

Always check oil lines: Dirty or clogged oil supply lines can quickly damage a new turbo cartridge. Replace or clean them during installation.

Prime with oil: Before starting the engine, always pre-lubricate the turbo with clean engine oil to prevent dry-start damage.

Replace gaskets and seals: Use new turbo gaskets to prevent exhaust or oil leaks.

Check for root cause: If the original turbo failed due to oil starvation, foreign object damage, or worn seals, ensure these issues are addressed before installing the new cartridge.

Why Choose This Turbo Core?

Cost-Effective Solution
Replacing just the turbo cartridge is significantly more economical than replacing the entire turbo unit, especially for older vehicles.

OEM-Level Quality
This unit matches or exceeds OEM specifications and performance benchmarks.

Backed by Testing
All cartridges are rigorously tested for balance, sealing, and durability under simulated real-world conditions.

Worldwide Compatibility
Trusted by auto repair shops and DIY mechanics across the globe for reliable BMW diesel performance restoration.

Conclusion

The Turbocharger Cartridge 7780199D / 860049 / 93171646 is an essential replacement component for BMW 525d E39 owners 

seeking to restore or enhance their vehicle’s diesel performance. Designed for the M57D engine, it ensures a perfect fit, exceptional reliability, 

and excellent value for money. Whether you're performing preventative maintenance, repairing a failing turbocharger, or enhancing your vehicle’s performance, 

this high-quality turbo core is the ideal choice.

Don’t let a failing turbo diminish the performance and efficiency of your BMW. 

Restore it to factory power with this precision-engineered turbo cartridge and keep your E39 running strong for years to come.