Audi A4 A5 Q5 Bang & Olufsen MMI 3G MOST Amplifier – Genuine OEM 8T1035223A

Restore the exceptional sound quality of your Audi with this Genuine OEM Bang & Olufsen MMI 3G MOST Amplifier, part number 8T1035223A. Designed for selected Audi A4, A5 and Q5 models equipped with the factory Bang & Olufsen premium audio system, this amplifier provides powerful, crystal-clear audio while integrating seamlessly with the MMI 3G infotainment platform.

Using Audi's fibre optic MOST communication network, this factory amplifier distributes high-quality audio to the vehicle's speakers while maintaining the precise sound tuning and performance expected from the Bang & Olufsen premium sound system.

Key Features

• Genuine OEM Audi Bang & Olufsen audio amplifier.
• OEM Part Number: 8T1035223A.
• Designed for Audi MMI 3G infotainment systems.
• Supports the factory MOST fibre optic communication network.
• Premium Bang & Olufsen sound processing.
• OEM-quality electronics and connectors.
• Direct replacement for compatible vehicles.
• Maintains full factory audio functionality.

Benefits

• Restores factory premium audio performance.
• Provides powerful, balanced and clear sound reproduction.
• Maintains seamless integration with the Audi MMI 3G system.
• Supports OEM speaker configuration and sound tuning.
• Ideal replacement for faulty or damaged amplifiers.
• Maintains original vehicle functionality and appearance.

Vehicle Compatibility

• Audi A4 (B8/8K) – selected models.
• Audi A5 (8T) – selected models.
• Audi Q5 (8R) – selected models.
• Vehicles equipped with the factory Bang & Olufsen sound system and MMI 3G.
• Compatible with OEM Part Number 8T1035223A.

Please verify compatibility using your VIN number, existing amplifier part number and vehicle audio specification before purchasing. Compatibility may vary depending on model year, MMI version and factory-installed sound system.

Common Symptoms of a Faulty Amplifier

• No sound from one or more speakers.
• Complete loss of audio output.
• Intermittent sound.
• Distorted or poor-quality audio.
• MMI audio system faults.
• MOST fibre optic communication errors.

Installation Information

• Professional installation is recommended.
• Component Protection removal may be required after installation.
• Coding or adaptation may be necessary using Audi diagnostic equipment.
• Inspect all MOST fibre optic connections before installation.
• Disconnect the vehicle battery before replacing electronic modules.

Why Choose Genuine Audi Bang & Olufsen Components?

Genuine Audi Bang & Olufsen audio components are engineered to deliver premium sound quality, reliable operation and seamless communication with the factory infotainment system. Unlike many aftermarket alternatives, OEM amplifiers preserve the original acoustic tuning, system functionality and overall driving experience that Audi and Bang & Olufsen intended.