{"product_id":"bmw-x3-f25-harman-kardon-audio-amplifier-65129366164-9366164-oem","title":"BMW X3 F25 Harman Kardon Becker Audio Amplifier BEB104 65129366164 9366164 OEM","description":"\u003cp\u003e𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻\u003c\/p\u003e\n\u003cp\u003eGenuine BMW Harman Kardon factory audio amplifier removed from a 2015 BMW X3. This module supplies amplified audio and vehicle-specific sound processing for BMW vehicles equipped with the factory Harman Kardon surround-sound system.\u003c\/p\u003e\n\u003cp\u003eThis is an original BMW component—not an aftermarket amplifier or universal stereo upgrade.\u003c\/p\u003e\n\u003cp\u003e𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗗𝗲𝘁𝗮𝗶𝘀\u003c\/p\u003e\n\u003cp\u003e• Brand: Genuine BMW  \u003cbr\u003e• Manufacturer: Harman Kardon \/ Harman Becker  \u003cbr\u003e• Component: Factory audio amplifier  \u003cbr\u003e• BMW part number: 65 12 9 366 164  \u003cbr\u003e• Short part number: 9 366 164 \/ 9366164  \u003cbr\u003e• Audio system: Harman Kardon surround sound  \u003cbr\u003e• BMW option code: S688A, BE B104\u003cbr\u003e• Network connection: BMW fiber-optic MOST audio system  \u003cbr\u003e• Donor vehicle: 2015 BMW X3  \u003cbr\u003e• Condition: Pre-owned OEM component  \u003cbr\u003e• Installation type: Direct factory replacement when properly matched and coded\u003c\/p\u003e\n\u003cp\u003e𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻\u003c\/p\u003e\n\u003cp\u003eThe amplifier receives the vehicle’s digital audio signal through the BMW MOST fiber-optic network and powers the factory Harman Kardon speakers and subwoofers.\u003c\/p\u003e\n\u003cp\u003eDepending on the vehicle and equipment configuration, it provides:\u003c\/p\u003e\n\u003cp\u003e• Multichannel audio amplification  \u003cbr\u003e• Vehicle-specific equalization  \u003cbr\u003e• Front and rear speaker output  \u003cbr\u003e• Center-channel output  \u003cbr\u003e• Under-seat woofer or subwoofer output  \u003cbr\u003e• Surround-sound processing  \u003cbr\u003e• Balance, fader and tone-control response  \u003cbr\u003e• Communication with the factory radio or iDrive system\u003c\/p\u003e\n\u003cp\u003e𝗖𝗼𝗺𝗺𝗼𝗻 𝗩𝗲𝗵𝗶𝗰𝗹𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀\u003c\/p\u003e\n\u003cp\u003eBMW catalogs associate part number 65129366164 with select vehicles from the following chassis families:\u003c\/p\u003e\n\u003cp\u003e• BMW 3-Series F30 Sedan  \u003cbr\u003e• BMW 3-Series F31 Touring  \u003cbr\u003e• BMW 3-Series F34 Gran Turismo  \u003cbr\u003e• BMW 4-Series F32 Coupe  \u003cbr\u003e• BMW 4-Series F33 Convertible  \u003cbr\u003e• BMW 4-Series F36 Gran Coupe  \u003cbr\u003e• BMW M3 F80  \u003cbr\u003e• BMW M4 F82 and F83  \u003cbr\u003e• BMW X3 F25  \u003cbr\u003e• BMW X4 F26  \u003cbr\u003e• BMW X5 F15  \u003cbr\u003e• BMW X6 F16\u003c\/p\u003e\n\u003cp\u003eCommon North American applications include select:\u003c\/p\u003e\n\u003cp\u003e• BMW 320i and 320i xDrive  \u003cbr\u003e• BMW 328i, 328i xDrive, 328d and 328d xDrive  \u003cbr\u003e• BMW 335i and 335i xDrive  \u003cbr\u003e• BMW 328i and 335i Gran Turismo  \u003cbr\u003e• BMW 428i and 435i models  \u003cbr\u003e• BMW M3 and M4  \u003cbr\u003e• BMW X3 sDrive28i, xDrive28i, xDrive28d and xDrive35i  \u003cbr\u003e• BMW X4 xDrive28i and xDrive35i  \u003cbr\u003e• BMW X5 and X6 models with Harman Kardon audio\u003c\/p\u003e\n\u003cp\u003eFitment varies according to production date, body style, market and factory audio option.\u003c\/p\u003e\n\u003cp\u003e𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗗𝗮𝘁𝗲 𝗥𝗮𝗻𝗴𝗲\u003c\/p\u003e\n\u003cp\u003eBMW lists part number 65129366164 as produced approximately from July 2014 through November 2015.\u003c\/p\u003e\n\u003cp\u003eModel-year ranges alone should not be used to determine compatibility. Verify the vehicle’s actual production date and original amplifier number.\u003c\/p\u003e\n\u003cp\u003e𝗣𝗮𝗿𝘁 𝗡𝘂𝗯𝗲𝗿 𝗛𝗶𝘀𝘁𝗼𝗿𝘆\u003c\/p\u003e\n\u003cp\u003eBMW part number 65129366164 replaced several earlier amplifier numbers, including:\u003c\/p\u003e\n\u003cp\u003e• 65129343766  \u003cbr\u003e• 65129330057  \u003cbr\u003e• 65129320213  \u003cbr\u003e• 65129310500  \u003cbr\u003e• 65129290171  \u003cbr\u003e• 65129292601  \u003cbr\u003e• 65129287254  \u003cbr\u003e• 65129277212  \u003cbr\u003e• 65129281945  \u003cbr\u003e• 65129271662\u003c\/p\u003e\n\u003cp\u003eBMW later superseded this amplifier with:\u003c\/p\u003e\n\u003cp\u003e• 65129393185\u003c\/p\u003e\n\u003cp\u003eSupersession does not guarantee unrestricted interchangeability in both directions. Always confirm compatibility using the vehicle’s VIN and original amplifier number.\u003c\/p\u003e\n\u003cp\u003e𝗜𝗺𝗽𝗼𝗿𝘁𝗮𝗻𝘁 𝗙𝗶𝘁𝗺𝗲𝗻𝘁 𝗡𝗼𝘁𝗲\u003c\/p\u003e\n\u003cp\u003eThis amplifier is intended only for vehicles originally equipped with the compatible Harman Kardon surround-sound system.\u003c\/p\u003e\n\u003cp\u003eIt is not a direct replacement for:\u003c\/p\u003e\n\u003cp\u003e• Standard BMW stereo systems  \u003cbr\u003e• BMW HiFi systems with a different amplifier  \u003cbr\u003e• Vehicles without the required MOST fiber-optic connection  \u003cbr\u003e• Aftermarket radio systems  \u003cbr\u003e• Amplifiers with incompatible part numbers or connectors\u003c\/p\u003e\n\u003cp\u003eInstalling this amplifier will not convert a standard or HiFi-equipped vehicle to Harman Kardon without the required speakers, wiring, coding and supporting equipment.\u003c\/p\u003e\n\u003cp\u003eBefore purchasing, compare:\u003c\/p\u003e\n\u003cp\u003e• Complete BMW part number  \u003cbr\u003e• Electrical connectors  \u003cbr\u003e• Fiber-optic connection  \u003cbr\u003e• Mounting points  \u003cbr\u003e• Vehicle production date  \u003cbr\u003e• Factory audio option code  \u003cbr\u003e• Original amplifier label\u003c\/p\u003e\n\u003cp\u003e𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗔𝗻𝗱 𝗖𝗼𝗱𝗶𝗻𝗴\u003c\/p\u003e\n\u003cp\u003eProfessional programming or vehicle coding may be required after installation. Coding allows the amplifier to use the correct vehicle-specific speaker configuration and equalization settings.\u003c\/p\u003e\n\u003cp\u003eA replacement amplifier may produce no sound, incorrect channel output, diagnostic faults or poor sound quality until it has been properly matched to the vehicle.\u003c\/p\u003e\n\u003cp\u003eProgramming and installation services are not included unless specifically stated in the listing.\u003c\/p\u003e\n\u003cp\u003e𝗗𝗶𝗮𝗴𝗻𝗼𝘀𝘁𝗶𝗰 𝗡𝗼𝘁𝗲\u003c\/p\u003e\n\u003cp\u003eLoss of sound does not automatically confirm a defective amplifier. Similar symptoms can result from:\u003c\/p\u003e\n\u003cp\u003e• A broken or disconnected MOST fiber-optic loop  \u003cbr\u003e• Water intrusion near the amplifier  \u003cbr\u003e• Damaged wiring or connectors  \u003cbr\u003e• Blown fuses  \u003cbr\u003e• Radio or iDrive faults  \u003cbr\u003e• Speaker or subwoofer damage  \u003cbr\u003e• Incorrect vehicle coding\u003c\/p\u003e\n\u003cp\u003eProfessional diagnosis is recommended before replacing the amplifier.\u003c\/p\u003e\n\u003cp\u003e𝗖𝗼𝗻𝗱𝗶𝘁𝗶𝗼𝗻\u003c\/p\u003e\n\u003cp\u003ePre-owned genuine BMW component. The seller states that the item received a basic inspection before listing. Normal cosmetic marks, scratches or installation wear may be present.\u003c\/p\u003e\n\u003cp\u003eReview all listing photographs carefully because the photographed component represents the condition and included contents.\u003c\/p\u003e\n\u003cp\u003e𝗣𝗮𝗰𝗸𝗮𝗴𝗲 𝗜𝗻𝗰𝗹𝘂𝗱𝗲𝘀\u003c\/p\u003e\n\u003cp\u003e• One genuine BMW Harman Kardon audio amplifier  \u003cbr\u003e• Mounting brackets, wiring, fiber-optic cables, speakers and programming services are not included unless shown\u003c\/p\u003e","brand":"German Audio Tech","offers":[{"title":"Default Title","offer_id":67614049927281,"sku":"9366164","price":499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/7093\/files\/Screenshot2026-10-04at4.52.09PM.png?v=1791158059","url":"https:\/\/www.germanaudiotech.com\/products\/bmw-x3-f25-harman-kardon-audio-amplifier-65129366164-9366164-oem","provider":"German Audio Tech","version":"1.0","type":"link"}