2.0 TFSI B-cycle
3.0 TFSI S4
TDI variants (generation/year dependent)
applicable B-cycle: VW 508 00/509 00
3.0 TFSI S4 (2017-era): VW 508 00/509 00
diesels require exact Audi/VW engine approval
2.0 TFSI B9: 5.2 L
3.0 TFSI S4 B8: 6.8 L / B9: 7.25 L — match generation and engine
