This is the cheapest I found the part. Although I'm not familiar with the vendor... MRSP is $209, but only $168 here.

BMW Parts and Accessories

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2001 BMW X5 4.4 Sport | No Mods Yet!
2001 BMW 740i Sport | 18" M-Parallel Rims | Clear Corners | AFE CAI | MAGNAFLOW EXHAUST | SOLD
1995 BMW 540i | Style 5's | Clear Corners & Sidemarkers | Smilie Headlights | SOLD