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e60 m5 smg mods

  1. E60 M5 and E61 M5 Touring Discussion
    Hello all, i am expecteng an '08 M5 SMG with 40k miles in the next few weeks and was wondering whats the best modifikations i could put on it for under $5,000? ESS reflash, etc... its a US Spec- also expecting 19" HRE comp 90, should i run wider or stock tire sizes with wheel? Its going to need...