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Technical_ Information_ E30 Specifications
318i (1984-1985)
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ENGINE/TRANSMISSION
M10 1766cc SOHC chain-driven inline 4, 2 valves/cylinder, cast crankshaft
101 hp @ 5800 RPM
103 lb-ft torque @ 4500 RPM
Compression ratio: 9.3:1
Bore/stroke: 89x70 mm
Bosch L-Jetronic fuel injection
Exhaust control: 3-way catalytic converter with Lambda sensor
5-speed Getrag 240 (manual)
Ratios:1 (1/2/3/4/5/R): 3.72 / 2.02 / 1.32 / 1.00 / 0.81 / 3.45
3-speed ZF (automatic)
Ratios:1 (1/2/3/R): 2.73 / 1.56 / 1.00 / 2.09
Final drive: 3.64:1 >11/83, 3.91:1 <11/83
CHASSIS
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 discs
Rear brakes: 230mm twin-shoe drums (self-adjusting)
14x6.0 alloy wheels on 195/60HR14 tires
DIMENSIONS
Wheelbase: 101.2 inches
Weight distribution, F/R: 53%/47%
Fuel capacity: 14.5 gallons
Curb weight: 2460 lbs (1984, manual)
2480 lbs (1984, automatic)
2395 lbs (1985, 2 door)
2450 lbs (1985, 4-door)
PERFORMANCE
0-60 mph: 11.4 seconds (manual)
1/4 mile: 17.3 seconds
Top speed: 106 mph
Skidpad, lateral g: 0.74
EPA fuel economy, city/hwy: 27/38 (manual), 27/34 (auto)
Performance figures from 7/83 Car and Driver
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325e (1984-1987)
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ENGINE/TRANSMISSION
M20 2693cc SOHC belt-driven inline 6, 2 valves/cylinder, cast crankshaft
121 hp @ 4250 RPM
170 lb-ft torque @ 3250 RPM
Compression ratio: 9.0:1
Bore/stroke: 84x81 mm
Bosch Motronic 1.0 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: 2.79:1 >9/85, 2.93:1 <9/85
CHASSIS
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 in model year 1986
14x6.0 alloy wheels on 195/60HR14 tires
DIMENSIONS
Wheelbase: 101.2 inches
Weight distribution, F/R: 53%/47%
Fuel capacity: 14.5 gallons
Curb weight: 2654 lbs (1984, manual)
2698 lbs (1984, automatic)
2710 lbs (1985, 2 door)
2765 lbs (1985, 4-door)
2723 lbs (1986-1987 325 2-door)
2767 lbs (1986-1987 325 4-door)
2778 lbs (1986-1987 325es)
2789 lbs (1986-1987 325e)
PERFORMANCE
0-60 mph: 8.4 seconds (325e manual)
1/4 mile: 16.3 seconds
Top speed: 116 mph
Skidpad, lateral g: 0.79
EPA fuel economy, city/hwy: 21/28 (manual), 20/27 (auto)
Performance figures from 6/84 Car and Driver
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325 (1988 "Super Eta")
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ENGINE/TRANSMISSION
M20 2693cc SOHC belt-driven inline 6, 2 valves/cylinder, cast crankshaft
128 hp @ 4800 RPM
170 lb-ft torque @ 3200 RPM
Compression ratio: 8.5:1
Bore/stroke: 84x81 mm
Bosch Motronic 1.1 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: 2.93:1
CHASSIS
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
DIMENSIONS
Wheelbase: 101.2 inches
Weight distribution, F/R: 53%/47%
Fuel capacity: 16.4 gallons
Curb weight: 2765 lbs (2-door)
2209 lbs (4-door)
PERFORMANCE
0-60 mph: 8.8 seconds (manual)
Top speed: 122 mph
Skidpad, lateral g: 0.79
EPA fuel economy, city/hwy: 21/28 (manual), 20/27 (auto)
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325i/325iC/325iX (1987-1991)
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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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M3 (1988-1991)
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ENGINE/TRANSMISSION
S14 2305cc DOHC double chain-driven inline 4, 4 valves/cylinder
192 hp @ 6750 RPM
170 lb-ft torque @ 4750 RPM
Compression ratio: 10.5:1
Bore/stroke: 93.4x84.0 mm
Bosch Motronic fuel injection w/ DME ML-3, four individual throttle plates
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
Final drive: 4.10:1
CHASSIS
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: 19.6:1
Front brakes: 280mm ventilated discs
Rear brakes: 282mm discs
ABS standard
15x7.0 alloy wheels on 205/55VR15 tires
DIMENSIONS
Wheelbase: 100.9 inches
Weight distribution, F/R: 53%/47%
Fuel capacity: 14.5 gallons
Curb weight: 2865 lbs
PERFORMANCE
0-60 mph: 6.9 seconds
1/4 mile: 15.4 seconds
Top speed: 143 mph
Skidpad, lateral g: 0.82
Slalom, 64.7 mph
EPA fuel economy, city/hwy: 17/29
Performance figures from 2/88 Road & Track
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318i, 318is (1991), 318iC (1991-1992)
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ENGINE/TRANSMISSION
M42 1796cc DOHC double chain-driven inline 4, 4 valves/cylinder
134 hp @ 6000 RPM
127 lb-ft torque @ 4600 RPM
Compression ratio: 10.0:1
Bore/stroke: 84x81 mm
Bosch Motronic 1.7 fuel injection w/ DME,
Exhaust control: 3-way catalytic converter with Lambda sensor
5-speed Getrag 260/5 (manual)
Ratios:1 (1/2/3/4/5/R): 3.72 / 2.02 / 1.32 / 1.00 / 0.80 / 3.71
Final drive: 4.10:1
CHASSIS
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: 262mm discs
ABS standard
14x6.0 steel wheels on 195/65R14 tires (318i)
14x6.0 alloy wheels on 195/65R14 tires (318iC)
14x6.5 alloy wheels on 195/65R14 tires (318is)
DIMENSIONS
Wheelbase: 101.2 inches
Weight distribution, F/R: 54%/46%
Fuel capacity: 14.5 gallons
Curb weight: 2657 lbs (318i)
2602 lbs (318is)
2867 (318iC)
PERFORMANCE
0-60 mph: 9.8 seconds
1/4 mile: 17.3 seconds
Top speed: 122 mph (electronically limited)
Skidpad, lateral g: 0.83
Slalom: 64.0 mph
EPA fuel economy, city/hwy: 21/27
318is performance figures from 8/90 Road & Track
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