ENGINE/TRANSMISSION
M20 2494cc SOHC belt-driven inline 6, 2 valves/cylinder, cast crankshaft
168 hp @ 5800 RPM
164 lb-ft torque @ 4300 RPM
Compression ratio: 8.8:1
Bore/stroke: 84x75 mm
Bosch Motronic 1.3 fuel injection w/ DME
Exhaust control: 3-way catalytic converter with Lambda sensor
5-speed Getrag 260 (manual)
Ratios:1 (1/2/3/4/5/R): 3.83 / 2.20 / 1.40 / 1.00 / 0.81 / 3.71
4-speed ZF 4 HP 22 (automatic)
Ratios:1 (1/2/3/4/R): 2.48 / 1.48 / 1.00 / 0.73 / 2.09
Final drive: 3.73:1
4.10:1 (325iX) also has center differential w/viscous coupling,
27%/63% f/r torque split
CHASSISM
Front suspension: MacPherson struts, coil springs, lower control arms, swaybar
Rear suspension: Semi-trailing arms, progressive rate coil springs, swaybar
Steering: Rack and pinion, power assist
Steering ratio: 20.5:1
Front brakes: 260mm ventilated discs
Rear brakes: 260mm discs
ABS standard
14x6.0 alloy wheels on 195/60HR14 tires
14x6.5 alloy wheels on 195/65VR14 tires (325is)
15x7.0 alloy wheels on 205/55VR15 tires (325iX)
DIMENSIONS
Wheelbase: 101.2 inches
Weight distribution, F/R: 53%/47%
Fuel capacity: 14.5 gallons (1987, 1989-1990)
16.4 gallons (1988)
Curb weight: 2811 lbs (325i 2-door, all years)
2850 lbs (1987 325i 4-door)
2813 lbs (1987 325is)
3015 lbs (1987 325iC)
2895 lbs (1988 325i 4-door)
2865 lbs (1988 325is)
3055 lbs (1988-1990 325iC)
3010 lbs (1988-1990 325iX, 2-door)
2844 lbs (1989-1991 325i 4-door, 1989-1990 325is)
3054 lbs (1989 325iX 4-door)
3050 lbs (1990 325iX 4-door)
2988 lbs (1991-1993 325iC)
2955 lbs (1991 325iX 2-door)
2999 lbs (1991 325iX 4-door)
PERFORMANCE
0-60 mph: 7.7 seconds (325i manual)
7.9 seconds (325iX manual)
1/4 mile: 15.9 seconds (325iX manual)
Top speed: 136 mph (325i)
127 mph (325iX manual)
130 mph (325iC)
Skidpad, lateral g: 0.77 (325iX manual)
Slalom: 63.7 mph (325iX manual)
EPA fuel economy, city/hwy: 18/23
325ix performance figures from 4/88 Road & Track |
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