95–02 Audi A4 S4 Central Door Locking Vacuum Pump OEM 8L0 862 257 N | eBay
Amazon.com: Prime Ave Wheel Lug Cap Cover Removal Tool Compatible/Replacement for Audi & VW Part# 6X0 012 243 or 8L0 012 243 : Automotive
Central lock vacuum pump for Audi A6 Avant C4 (06.1994 - 12.1997), 5 doors, № 8L0 862 257 Price: € 43.35
Switch AUDI A3 (8L1) 1.9 TDI 8856293 | B-Parts
quattroworld.com Forums: Interesting (?) later Central Locking Module Programming thread
Audi central locking - YouTube
8L0 959 777 B 2000 2001 Audi A4 R/Front Lumbar Seat Control Switch #E-115K | eBay
1998 Audi 98 A4 Central Door Locking Vacuum Pump OEM 8l0862257 B 8d0862227 for sale online | eBay
quattroworld.com Forums: Rundown of the 3 different C4 Alarm/Central Locking Systems (Pumps, Keys, and Remotes)
95–02 Audi VW Central Door Locking Vacuum Pump OEM 4A0 862 257 D | eBay
Audizine Forums
8l0953513g Car Turn Signal Switch For Audi A2 A3 A6 Vw Beetle Skoda Auto Accessoreis 8l0 953 513g 8l0 953 513 G 11 Pin - Switches & Relays - AliExpress
How to read cluster EEPROM - Audi A3, S3, A4, S4, RS4 & Golf Mk4 R32 Gen. VAG EEPROM Programmer link - YouTube