TD04 Turbocharger Cartridge (CHRA) for BMW 2.0L N20B20 / N20B20A Engine

Part Numbers: 49477-02003 49477-02000 49477-02001 49477-02002 49477-02004 49477-02005 49477-02006 49477-02007 49477-02008 49477-02009 49477-02015 49477-02016 49477-02051 49477-02052 49477-02053 49477-02054 49477-02055 49477-02056 49477-02057 49477-02058 49477-02059

OEM Number:11657588938 11657635803 7588938 7588938-09 7588938-10 7588938-11 7588938AI07 7588938AI08 7588938AI10 7588938AI11 7588938AI12 7588938AI13 7588938AI14 11657630462 11657634486 11657635804 11657642469 763448602 7635803 7642469 8635804 11-65-7-588-938 11-65-7-588-939 11-65-7-635-803 11657588938 11657588939 11657635803 230-01-4108 230014108 2N-856 2N856 2T-856 2T856
Fits BMW Models: 3-Series, 4-Series, 5-Series, X1, X3, X4 equipped with N20B20 & N20B20A Gasoline Engines

Product Overview

The TD04 Turbocharger Cartridge (CHRA) is a premium, OEM-spec replacement core engineered for BMW’s highly efficient 2.0L N20B20 and N20B20A gasoline engines. If your vehicle is experiencing turbo lag, smoke, noisy bearings, or reduced boost, this CHRA restores factory performance, ensures fast spool, and extends turbo lifespan—without replacing the entire turbocharger.

Built with high-temperature turbine material, precision bearings, CNC-machined components, and VSR high-speed balancing, it delivers long-term reliability for daily driving, performance tuning, and fleet operations.

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Key Features & Benefits

Direct OEM-Spec Fitment

Perfect replacement for BMW N20 TD04 CHRA with full compatibility across:49477-02000 series / 7588938-xx / 11657588938 / 11657635803 / 7642469 / 7635803 and more.

VSR High-Speed Balanced to 100,000+ RPM

Ensures vibration-free performance, quick spool, and extended service life.

Heat-Resistant Turbine & Bearing Material

Designed to handle BMW’s high-temperature turbo environment without premature wear.

Plug-and-Play Installation

Dropped directly into the TD04 turbo housing — no machining required.

OEM-Level Performance

Restores lost boost, improves acceleration, and reduces fuel consumption.

Globally Optimized Quality

Manufactured in a 2001-established turbocharger factory supporting markets in the USA, Germany, UK, UAE, Australia, South Africa, Brazil, and more.

Technical Specifications

Who Is This Product For?

BMW Owners

Experiencing power loss, turbo noise, smoke, or underboost issues.

Auto Repair Workshops

Need a reliable, cost-effective turbo core replacement.

Performance Tuners

Looking for stronger, more reliable boost for tuned N20 engines.

Parts Distributors & Wholesalers

Seeking stable supply, competitive factory pricing, and high-demand BMW turbo parts.

Common Problems This CHRA Solves

• Turbo whistling noise
• Oil consumption or blue smoke
• Slow acceleration
• ECU underboost errors
• Damaged turbine/compressor wheel
• Bearing failure from heat or oil starvation

After replacement, drivers get:

• Full power and boost recovery
• Faster spool & stronger torque
• Lower fuel usage
• Longer turbo life
• OEM-smooth driving

Usage Scenarios

• Daily driving in hot or cold climates
• Highway commuting or long-distance fleet operation
• Tuning shops / performance upgrades
• BMW specialists performing turbo repairs
• Global resale markets (US, Europe, Middle East, Africa, Asia, Latin America)

Installation Guide (Simple Version)

• Remove turbocharger from vehicle.
• Disassemble TD04 turbo and extract old CHRA.
• Clean compressor and turbine housings thoroughly.
• Insert new CHRA and align locating pins.
• Tighten bolts to torque specifications.
• Fill CHRA with clean engine oil before first start.
• Start engine and idle 3–5 minutes to prime oil flow.
• Test drive and confirm stable boost pressure.

FAQ

Q1: Does this CHRA fit all BMW N20 engines?

Yes, it fits ALL BMW 2.0L N20B20 and N20B20A turbo engines used worldwide.

Q2: Is this balanced and ready to install?

Yes—every unit is individually VSR balanced to high precision.

Q3: Is this suitable for tuned or Stage 1/Stage 2 engines?

Yes. The TD04 core supports mild tuning and performance upgrades safely.

Q4: Do you ship globally?

Yes, we support USA, Europe, Middle East, Africa, South America, and Asia.

Q5: Are you an actual manufacturer?

Yes—our factory was founded in 2001 and specializes in turbochargers & components.

About Us

We are Fengcheng Zhongke Turbocharger Co., Ltd., a professional turbocharger manufacturer established in 2001, focusing on:

• Turbochargers
• CHRAs
• Repair kits
• Turbine shafts
• Compressor wheels
• Electronic actuators

We supply parts compatible with BMW, Mercedes, Toyota, Audi, Volkswagen, Cummins, Holset, Garrett, CAT, and more. Our products serve customers across Europe, North America, Oceania, Middle East, Africa, and Southeast Asia.

Our mission:Provide high-quality turbocharger solutions with honest pricing and worldwide support.

Meet Our Engineering Team

Our technical team includes:

• Turbo aerodynamic specialists
• High-speed balancing engineers
• Metallurgy & material science experts
• ISO-certified QC inspectors

Every unit undergoes:

• 3D modeling
• Tolerance measurement
• VSR dynamic balancing
• Air-tightness tests
• Durability checks

Ensuring each CHRA performs exactly like OEM—or better.

Wholesale, OEM Branding, and Distributor Pricing Available

We welcome:

• Bulk orders
• Distributor partnerships
• Custom logo branding (OEM/ODM)
• Long-term supply cooperation