Audi product literature seems to say two different things about the Q3's spark plug replacement interval:
35,000 miles ("all vehicles with the 4.0L V8 TFSI, A8 W12, all vehicles with 2.0L TFSI (except Flex Fuel engines)." Source: 2015 MY Scheduled Maintenance Intervals.
55,000 miles: "Replace (only: A3 with the 1.8l TFSI, Audi Q3, and all vehicles with the 3.0l V6 TFSI, 4.2l V8 FSI & 5.2l FSI engines." Source: 2015 Audi Models USA Warranty & Maintenance, page 23.
Which is correct?
35,000 miles ("all vehicles with the 4.0L V8 TFSI, A8 W12, all vehicles with 2.0L TFSI (except Flex Fuel engines)." Source: 2015 MY Scheduled Maintenance Intervals.
55,000 miles: "Replace (only: A3 with the 1.8l TFSI, Audi Q3, and all vehicles with the 3.0l V6 TFSI, 4.2l V8 FSI & 5.2l FSI engines." Source: 2015 Audi Models USA Warranty & Maintenance, page 23.
Which is correct?