There are no diffenrences
330i is a 4 door the 330Ci is 2 door.
The 335i came out in 2007, there was no 335i in 1997
With out performance and power enhancing parts the BMW 330i has 235 horsepower!
5x120mm
Yes, it is turbocharged.
there is no dipstick
In the trunk.
The thermostat is located on the front of the engine, between the upper and lower coolant hoses.
Yes, both have the M54
For your 2006 BMW 330I: Wheel Stud Torque 72-87 Foot pounds (Final torque)
In the glove box