Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 14HP: Compatible with 2.0L, L4, 2009-2013 Audi (A4, A4 Cabriolet, A4 Quattro), 69-9505T : Automotive
Amazon.com: Turbo for Audi A4 A6 Skoda Superb VW Passat 2.0/1.9 TDI AFV/AWX BGW 717858 : Automotive
Amazon.com: LZZNB Auto Show car Cover for Audi A4/S4 TDI/Sedan Saloon Limousine Indoor/Outdoor Car Cover Tailored Car Awning Tarpaulin Cover Velvet Ultra Soft Protection Car Tarpaulin Car Body Protect : Everything Else
Amazon.com: 1462C00987 Fuel Pressure Control Valve/Regulator For AUDI A3 A4 A5 A6 Q5 TT 2.0 : Automotive
Audi A4 (4-Cylinder) Service and Repair Manual: Drayton, Spencer; Legg, A. K.: 9781859605752: Amazon.com: Books
Amazon.com: JM Turbo fit Audi A4 1.9T TDI K04 Turbo Gt1749v Turbocharger Cast Iron Manifold Wastegate New : Automotive
Amazon.com: LZZNB Auto Show car Cover for Audi A4/S4 TDI/Sedan Saloon Limousine Indoor/Outdoor Car Cover Tailored Car Awning Tarpaulin Cover Velvet Ultra Soft Protection Car Tarpaulin Car Body Protect : Everything Else
Amazon.com: 454231-0006 Turbocharger for Audi A4 A6 VW Passat B5 1.9 TDI AHH AFN AVB : Automotive
Amazon.com: FMIC Intercooler Kit For 02-05 Audi A4 B6 1.8T : Automotive
Amazon.com: Fuel Rail Pressure Sensor 04L906054 For Audi A3 A4 Seat Skoda Golf 2.0 TDI : Automotive
Amazon.com: GDFHOMER Waterproof Car Cover Compatible with Audi A4 Sedan/ S4 Sedan TDI 2022 4-Door Sedan, Car Tarpaulin All Weather Full Exterior Cover for Outdoor and Indoor, Black/Silver : Automotive
Amazon.com: AUTO-STYLE lowering springs compatible with Audi A4 B5 Avant 1.8T/1.9Di/1.9TDi 2/95-6/01 30/20mm : Automotive
Amazon.com: 038145702G Turbocharger 717858-5009S for Audi A4 VW Passat 1.9 TDI Diesel Engine : Automotive
Audi A4 Diesel (Mar '08 - Oct '15) 08 To 65: Mead, John: 9781785213007: Amazon.com: Books
Amazon.com: LZZNB Auto Show car Cover for Audi A4 Avant/A4 Avant g-tron/A4 Allroad/S4 Avant TDI/RS4 Avant Indoor/Outdoor Car Cover Tailored Car Awning Tarpaulin Cover Velvet Ultra Soft Protection Car Tarpaulin : Everything
Amazon.com: CVDMODD Car Cover Compatible with Audi A4 Sedan/ S4 Sedan TDI 2022 4-Door Sedan,Dustproof Full Exterior Covers with Zipper Cotton Auto Cover : Automotive
Audi A4 2002-2008 (Chilton's Total Car Care Repair Manual): Chilton: 9781563928468: Amazon.com: Books
Amazon.com: Stigan Turbo Turbocharger For Audi A4 A5 A6 Q5 & Allroad 2.0T w/Engine Code CAEB - Stigan 847-1466 New : Automotive
Amazon.com: GOWE GT1749V Turbo Turbocharger for Car Audi A4 A6 1.9 TDI for Seat Leon Cordoba Ibiza 1.9 TDI 701854 701854-5004S 028145702N 7018542 : Automotive
Amazon.com: GOWE for Audi A4 2.0TDI 170HP B7 BRD/BVA Turbo BV43-109 53039880109 Cartridge Core : Automotive
Amazon.com: GOWE Turbocharger for Turbocharger GTB1756VK 769701 059145721F / 059145721E Chra for Audi A4 2.7 TDI (B7) Chra for Audi A6 2.7 TDI (C6) B8 : Automotive
Amazon.com: GDFHOMER Waterproof Car Cover Compatible with Audi A4 Sedan/ S4 Sedan TDI 2022 4-Door Sedan, Car Tarpaulin All Weather Full Exterior Cover for Outdoor and Indoor, Black/Silver : Automotive