E46 BMW 330i Water Pump DIY includes 323i, 325i, 328i, 330i, and M3
The procedure is approximately the same on e36, e34 525i, and I6 e39 models too. The e46 m3's water pump is different, however, much of this procedure applies too.
Part 1 BMW Cooling System Overview with Common Failures for e36, e46, e34, e39
View BMW Repair Tech Tips - follow this link: http://www.bmpdesign.com/technical/cooling/index.php This video explores the most common cooling system failures and fixes including Water Pump, Thermostat Housing, Plastic Pulleys, Coolant Overflow Tank, and Radiator for the BMW e36, e46, e34, and e39's with all variations of the M50, M52 or S50US Engines.
BMW Waterpumps Design Comparison /// 330i (E46)
BMW WaterPump Brand/Design review mainly the design and materials used for the impellers. Brands: Graf (metal) impeller Duralast - Autozone (plastic) impeller
BMW is Fixed! Water Pump Failed.
All better now! Here is the repair video http://youtu.be/bA8GPapQnqY Thanks for all the great comments and words or encouragement.