Golf Mk4
| Test data, spark plugs |
| Engine codes | AHW, AKQ, APE, ATN, AUS, AXP, BCA | AHW, AKQ, APE, BCA | AZD, BCB | |
| Firing order | 1-3-4-2 | 1-3-4-2 | 1-3-4-2 | |
| Spark plugs | ||||
| VW/Audi | 101,000,033 AA | 101 000 041 AC | 101 905 601 | |
| Manufacturer's designation | BKUR 6 ET-10 | 14 FGH 7 DTURX | F7 HPP 222U | |
| Electrode gap | 0.9 …1.1 mm | 0.9 …1.1 mm | 1.0 …1.1 mm | |
| Specified torque | 25 Nm | 25 Nm | 25 Nm | |
| Change interval | → Booklet | |||