Generations

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Engine Codes

AGB (1997-2003) APB (1998-2001) AZB (2000-2001) ASJ (2000-2003 RS4)

OEM equipment

MY Badge ECU Build Date MAF BPVs ESP Transmission F-hose Notes
2000 [[Image:2000_s4logo.png 50px]] A-Box 09/99-05/00 Bosch 710 no 6-speed yes Possibly Al uprights, interchangable with ESP equipped cars but requires engine recode
B-Box 710A Tiptronic no Possibly Al uprights, interchangable with ESP equipped cars but requires engine recode
2001 H-Box 06/00-09/00 Hitachi 710A yes 6-speed yes Steel uprights, interchangable with M-Box but requires cluster recode
J-Box Tiptronic no Steel uprights, interchangable with L-Box
2001.5 [[Image:2001_s4logo.jpg 50px]] L-Box 10/00-05/01 710B Revised TBB, oil inlets, sport package (w/Al mirrors) avail, Avant avail
M-Box 6-speed, updated synchros/sliders
2002 T-Box 06/01-07/01 Interchangable with M-Box
AA-Box Tiptronic Interchangable with L-Box

Note: Manufacturer Year is inconsistent and sometimes arbitrary. See Notes below.

Production numbers[1]

Build date Sedan Avant total
2000 5647 25 5672
2001 4770 1228 5998
2002 642 198 840
Total 12,096 1451 13,547

2002 is actually really build date of 06/01 to 07/01

Notes

  • http://forums.audiworld.com/s4/msgs/802094.phtml
  • poll here: http://forums.audiworld.com/s4/msgs/2447926.phtml
  • There is some confusion with cars near the 5/00 build mark (none verified)
    1. Some 2001 cars came with Bosch MAFs (and presumably A-Box ECUs).
  • There is some confusion with cars near the 09/00 build mark (none verified)
    1. Some are 2001, some are 2001.5
    2. Some 2001.5 came with H-boxes and do not appear to have F-hoses
    3. Some 2001.5 are reported to have mismatching wheel/trunk badges
  • Andy Whittaker's UK 1999 S4 seems to have a C box.
  • The L and AA box information may be incorrect. Please mail me or post a comment in the talk section.
  • If the OEM equipment on your car does not fit into this table and you are the original owner, please post a comment in the talk section.
  • If the OEM equipment on your car does not fit into this table and you are not the original owner, it is highly likely that some of the parts have been swapped out.