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I just purchased an 850i, blk/blk 6-speed, 39k, and am interested in hearing your opinions about upgrading.
what would be a logical progression?
Who makes the best chip [jim c.? dinan?]
How is ride affected by bilstein/HR springs?
Intake manifold upgrades [csi? dinan?]
Experiences with different wheel/tire combos?
Body trim?
Thanks
JOhn