| | | | ReservoirCoolant additive AAX,AFU,ADV | | ReservoirCoolant additive | 1.8ltr.2.3ltr.2.6ltr. | | AAX,AFU,ADV |
| | 1 | BCX 121 408 | BCX 121 408 qty: 1 Bearing angle 1.8 | | Bearing angle | | 1 | 1.8 |
| | 1A | BCY 121 408 A | BCY 121 408 A qty: 1 angled bracket 2.3 / 2.6 | | angled bracket | | 1 | 2.3 / 2.6 |
| | 2 | N01 100 830 | N01 100 830 qty: 4 Hexagon nut 1.8 | | Hexagon nut | M8.0 | 4 | 1.8 |
| | 4 | 025 121 403 A | 025 121 403 A qty: 1 Reservoir 1.8 | | Reservoir | | 1 | 1.8 |
| | 4A | 025 121 403 B | 025 121 403 B qty: 1 Reservoir 2.3 / 2.6 | | Reservoir | | 1 | 2.3 / 2.6 |
| | 5 | N01 413 13 | N01 413 13 qty: 3 fillister hd. bolt | | fillister hd. bolt | M5X15 | 3 | |
| | 6 | N01 152 318 | N01 152 318 qty: 3 Washer | | Washer | 5 | 3 | |
| | 7 | 025 121 321 B | 025 121 321 B qty: 1 End cap | | End cap | | 1 | |
| | 8 | 025 121 403 | 025 121 403 qty: 1 reservoir | | reservoir | | 1 | |
| | 9 | N03 510 61 | N03 510 61 qty: 2 self-tapping screw | | self-tapping screw | M6X12 | 2 | |
| | 11 | 025 121 482 | 025 121 482 qty: 1 End cap 2.3 / 2.6 | | End cap | | 1 | 2.3 / 2.6 |
| | 12 | | see illustration: | | see illustration: | 121-055 | | |
| | 13 | 251 919 372 A | 251 919 372 A qty: 1 Water level switchplug housing | | Water level switchplug housing | | 1 | |
| | 14 | N90 240 002 | N90 240 002 qty: 1 O-ring | | O-ring | 24X4 | 1 | |