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Performance

Anything to do relating to performance and BMW.

2003 topics in this forum

  1. 323i Head

    • 6 replies
    • 1809 views
    • 1 reply
    • 884 views
  2. m40 gearbox

    • 5 replies
    • 1399 views
    • 1 reply
    • 1306 views
    • 13 replies
    • 4670 views
  3. M42 into 2002

    • 14 replies
    • 3159 views
    • 4 replies
    • 1414 views
    • 7 replies
    • 2838 views
  4. AFM swap on E30

    • 13 replies
    • 3924 views
    • 17 replies
    • 6407 views
    • 11 replies
    • 3176 views
    • 3 replies
    • 11425 views
    • 21 replies
    • 8182 views
  5. 323i Head

    • 2 replies
    • 1531 views
    • 22 replies
    • 4452 views
  6. e39 540 exhaust

    • 2 replies
    • 1325 views
  7. M20 2.7 turbo build

    • 0 replies
    • 903 views
  8. e36 manual conversion

    • 6 replies
    • 2537 views
  9. e36 manual conversion

    • 12 replies
    • 3839 views
  10. cam grinding

    • 2 replies
    • 2549 views
    • 8 replies
    • 2440 views
    • 2 replies
    • 1138 views
  11. RB30 Throttle body?

    • 15 replies
    • 5030 views
    • 1 reply
    • 1071 views
  12. 2jz conversion

    • 1 reply
    • 1033 views
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