034Motorsport Billet Oil Cap (EA839) V6 Engines (2.9T/3.0T) - Audi B9 S4/S5/RS5/SQ5 & C8 A6/A7/S6/S7 & D5 A8 & 4M Q7 & 4M8 Q8 MSRP: $178.75
Racingline Billet Oil Filler Cap - Audi 8Y A3/S3 & B9 A4/A5/Allroad/Q5 & C8 A6 & VW Arteon & MK8 GTI/Golf R MSRP: $128.00