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charger upgrade m5

  1. E60 M5 and E61 M5 Touring Discussion
    Hey everyone, New to this so bare with me, I have a 2005 M5 with 70,000miles on the clock, just had full rebuild after crankbearings failed. Now that the engine has been rebuilt and runs better than ever and all bushes etc have been changed it runs like a new car. So im looking for more power...