It looks like you ordered the same bolts as me but the same waterpump as the OP, make sure you have the correct bolts for your application.
http://www.fcpimport.com/
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Order Summary
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11510392553 BMW Water Pump Set Screws Genuine BMW - 11510392553 (1) @ $8.75 = $8.75
11517588885 BMW Electric Water Pump - VDO (OEM) 11517588885 (1) @ $399.95 = $399.95
11537549476 BMW Thermostat - Behr 11537549476 (1) @ $74.99 = $74.99
82141467704 BMW Coolant/Antifreeze - Genuine BMW 82141467704 (1) @ $24.55 = $24.55
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Subtotal: $508.24
Promotion (5% Off - Limited Time Only): -$25.41
Shipping: $0.00
Order Total: $482.83
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2008 335I E92, AW, VFF700, 18" Forgestar F14, M3 front/side, M-tech rear, AMS IC, H&R Touring Cup Kit suspension, HID AE, ER Charge Pipe & Synapse BOV, CIC Retrofit, Quafie, DSS, Defiv Lockdown, SPEC 2+/Steel SMFW, Walbro 450