The Performance Package was an inclusive option sold in North America, which was labelled the ZHP option code in the USA and ZAM in Canada.[61]It was available for sedans from model years 2003 to 2005, and available for coupes and convertibles from 2004 to 2006.[62]It included various aesthetic changes over the regular 3 series, as well as functional and mechanical enhancements.
The ZHP was equipped with sportiercamshaftsand revised engine tuning to increase power from 225hp (168kW) to 235hp (175kW).[62]Suspension was modified over the standard suspension with firmer springs and dampers, larger anti-roll bars, stronger front control arm ball joints, a lower ride height, and slightly more negativecamber.[63]Car and Drivermagazine track-tested the car, which returned a 0–60mph time of 5.2 seconds and passed through the 1/4 mile in 14.3 seconds.[63]
2005 330ci, 96k miles, complete cooling system changed, both radiator hoses Inc sensor, new thermostat and thermostat housing, water pump, new side view mirrors, new interior pillars ( all 6), power steering pump and starter changed at 49k, front control arm bushings and rear shocks changed
At 65k, wheels are straight and true with no rash, michelin pilots all around with 75+% tread life,6sp manual, also new shift knob as well,All fluids changed as well, new oil, new tranny oil, new diff oil, brakes bled, new power steering fluid.....EVERYTHING Inc parts changed are all BMW factory oem partscar is very clean, meticulously cared for