Fuel economy is mainly dependent on your style of driving. Do not warm up the engine to operating temperature at idle speed and never leave the engine idling
BMW recommends that most 1999 and newer vehicles use synthetic oil with oil changes performed at 15000-mile intervals. Depending on fuel consumption
BMW. 3 Series (E30). 1992– 93. R134a. 775 – 825. 81 229 407 724 3 Series (E46) diesel engine: M47/M47TU/M57. 2001– 05 ... Aveo with diesel engine.
325i. 325is. 325i Convertible. * 1987 Vehicles Built Before Fuel Economy Gauge 325e . ... "Engine Oil" Fault Except Convertible.
If any fuel or oil hose or lines pass into the driver's compartment 2) E30 325i may use an E30 M3 front bumper support and cover.
%20e28%20&%20e34.pdf
Only 1984-1991 BMW manufactured non M E30 chassis automobiles vehicles include E30 cars originally built as a 318i
1 Fuel gauge with indicator lamp oil the next time you stop for gas. ... BMW 320i 325i
bo Diesel Crank. BMW used cast iron cranks in the following engines. 320/6 - 71mm stroke. 323i - 76mm stroke. 325e - 81mm stroke. 325i/E30 - 75mm stroke.
Engine oil requirements will depend on the engine design operating conditions