Quote:
Originally Posted by e60rocks
Hey Man, your car looks solid, i have been monitoring your exhaust build and i will be tackling the same project as i also have a 640xi. Can you tell me everything i would need? i see you have the m5 mufflers and m6 diffuser, is there anything else i need? Thanks for the insight.
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So far ive obtained the m6 diffuser. $159 oem off ebay. F10 M5 Mufflers. $500.
For some reason i found that there is no undercover for the 640i. So im ordering that now cause in the pics it shows a nice gap where one can see the wheel holder. I was going to order the carbon fiber fin diffuser but only comes through the chinese..none in the US for a decent price. Waiting 4 weeks isnt an option right now. Thats basically all you would need. I threw in a 2.25 magnaflow xpipe. Setup should be done Thursday.