I completely agree regarding lift at high speed in the X3. I've been thinking maybe something from other BMW models could be made to work.
For the rear, I've been eyeballing X5, 335, or 535 duckbill spoilers for a while, wondering if they'd fit well enough, or could be made to with some creativity and bondo. For the front, I've been thinking of chin spoilers from the same models or possibly something more generic.
Whatever I go with, I'm aiming for something inexpensive off of ebay or similar. In part, so that if it doesn't work out, I won't have dumped too much money into it.
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F25 X3 35i M Sport | Frankenfold 6662 | VRSF Race IC | FTP CP | BM3 tuned | XDI-35 HPFP | Stage 2 LPFP | Ethanol mixed | WMI | Oil cooler | xHP | X5/550i brakes
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