Discussion forums for technical topics broken down by category.
Dedicated to the discussion of wheels and tires. This forum is sponsored by VMR Wheels.
Discussion area for general topics regarding suspension tuning.
Discussion forum for air suspension related topics.
Forum dedicated to discussions about brake upgrades and brake systems.
Discussion forum for topics about body work, body kits and body styling.
Discussion area for topics regarding interior work, such as seats, steering wheels, pedals kits, upholstery, consoles, gauge panels, etc.
Discussion forum for everything related to motor oil and automotive lubrication.
Discussion forum for the VAG-COM Diagnostic program sponsored by Ross-Tech
This area is dedicated to all general discussion concerning car audio, video, security, navigation systems, satellite radio and more.
Discussion forum for integrating MP3 players, portable CD-players, game consoles, video etc. into your car.
The place to talk about preserving and restoring classic and late-model Volkswagens and Audis.
This forum is for all diesel and TDI owners. This forum is sponsored by Malone Tuning.
Discussion forum regarding carburetors, individual throttle bodies, and stand alone engine management systems.
Discussion forum for the EA211 4-cylinder 1.4 liter turbocharged direct injection TSI (VW) / TFSI (Audi) engine. This forum is sponsored by Unitronic.
Discussion forum for the 20-valve 1.8 liter turbocharged 4-cylinder engine found in the Audi A3, S3, A4, Golf/Jetta MkIV, New Beetle, Passat, TT, etc.
Discussion forum for the 3rd generation EA888 4-cylinder 1.8 liter turbocharged direct injection TSI (VW) / TFSI (Audi) engine. This forum is sponsored by Unitronic.
Discussion forum for the original EA113 4-cylinder 2.0 liter turbocharged direct injection FSI (VW), TSI (VW), and TFSI (Audi) engine. This forum is sponsored by HS Tuning.
Discussion forum for the 1st and 2nd generation EA888 4-cylinder 2.0 liter turbocharged direct injection TSI (VW) / TFSI (Audi) engine.
Discussion forum for the 3rd generation 4-cylinder 2.0 liter turbocharged direct injection TSI (VW) / TFSI (Audi) engine. This forum is sponsored by COBB Tuning.
Discussion forum for the 2.5 liter inline 5-cylinder engine found in the new MKV's.
Discussion area for the Volkswagen 2.0 liter 4-cylinder motor.
Discussion area for the 2.8 liter 12-valve VR6 motor.
Forum for technical discussions about the 2.8 liter 24-valve VR6 engine.
Discussion forum for the 3.2 liter 24-valve VR6 found in the R32, Touareg and Audi TT 3.2
Discussion forum for the 3.6 liter 24-valve VR6 found in the B6 Passat, Touareg, and Q7.
Discussion forum for the 2.7 liter turbochaged V6 found in the Audi S4 (B5) and A6.
Discussion area for the 30v 2.8 liter V6 engine found in the VW Passat and Audi A4 & A6.
Discussion forum for the 30-valve 3.0 liter engine found in the Audi A4 & A6.
Discussion forum for Audi's new 3.0 liter TFSI V6 supercharged engine. This forum is sponsored by EuroCode.
Discussion forum for Audi and Bentley's new 4.0 liter TFSI V8 supercharged engine.
Discussion forum for the 4.2 liter V8 engine found in the Audi A6 & A8.
Discussion area for the Volkswagen W8 8-cylinder motor.
Discussion area for the 4 cylinder 16v engines.
Discussion forum for 8v engines below 2.0l displacement.
Discussion area for the G60 G-lader supercharged engine.
Discussion forum for the Inline-5 cylinder 10v & 20v engine.
Technical discussion forum for all issues regarding automatic transmissions..
Discussion forum for the DSG/S tronic transmission. This forum is sponsored by SSP Performance.
Technical discussion forum for all issues regarding manual transmissions.
Discussion forum for all things all-wheel-drive.
This forum is dedicated to discussion surrounding various engine and part swaps between different generations of VW and Audi products.
Forum for general discussions about supercharging, turbocharging and anything else related to forced induction systems. This forum is sponsored by US Rally Team.
Discussion forum for everything related to naturally aspirated engine tuning and modifications.
Forum dedicated to topics about stock and aftermarket lighting.
Discussion regarding DIY fabrication of anything you build, bolt, or weld together.
Technical discussion forum for all issues regarding automotive tools and machining.
Discussion forum for all things related to Dyno testing.
Discussion forum for all CIS injected VWs and Audis.
Discussion forum for the Motronic Engine Management Systems.
Discussion forum for everything related to water, alcohol, and methanol injection.