Schedule a time to get the water pump, bolt set, and thermostat replaced at your local independent mechanic. I've done several lately. Flush and refill the coolant, and reset the CBS for the coolant.
E92 335i/6MT Dinan Stage 3: intercooler, oil cooler, intake, flash, exhaust, LW dual-mass flywheel.
Vishnu PWM methanol custom trunk mount, Diffsonline 3-clutch Salisbury custom diff, Ohlins Road and Track coilovers, Vorshlag camber plates, much more...
E28 M5 w/ buncha stuff, R171 SLK350