BMW 6 Series Page..
6 Series Model Range & Production History
- Aug 1976 Launch of 633CSi.
- Jan 1980 3453cc 635CSi Introduced with sports suspension, metallic paint &
TRX alloy wheels.
- Sept 1980 2788cc 628CSi Introduced into UK.
- Jun 1982 635CSi receives 3430cc engine from 735i.
- Sept 1983 635CSi fitted with standard on-board computer, leather upholstery &
electric sunroof.
- Jan 1984 628CSi Specification upgrade includes front fog-lamps. metallic paint
& electric sunroof optional.
- Oct 1984 628CSi & 635CSi receive color-keyed interior, electric
seats (memory
optional), sports steering wheel & standard ABS. 635CSi receives upgraded on-board
computer.
- Sept 1985 Side repeater indicators on all models, M-technic rear spoiler standard
on 635CSi.
- Sept 1986 635CSi fitted with sunroof wind deflector. Switchable auto gearbox is a
no cost option.
- May 1987 628CSi Special order only (UK).
- Sept 1987 635CSi gets color-keyed bumpers & spoilers, elipsoidal headlights
& foglights, full leather upholstery (on "highline" designated models), air
conditioning, green tinted glass & memory electric front seats as standard.
- Sept 1989 635CSi Discontinued.
6 Series Model Range
| Model |
Engine |
Max Power |
Top Speed |
0-60 MPH |
Fuel Consumption |
| 633CSi |
3210cc SOHC I6 efi |
197 bhp |
133 mph |
8.1 sec |
20.6 mpg |
| 635CSi ('80 - Jun '82) |
3453cc SOHC I6 efi |
218 bhp |
138 mph |
7.4 sec |
17.5 mpg |
| 628CSi |
2788cc SOHC I6 efi |
184 bhp |
132 mph |
8.5 sec |
25.0 mpg |
| 635CSi (post Jun '82) |
3430cc SOHC I6 efi |
218 bhp |
142 mph |
7.2 sec |
21.6 mpg |
| M635CSi |
3453cc DOHC I6 efi |
286 bhp |
158 mph |
6.1 sec |
17.0 mpg |
6 Series Buyers Notes
- Front body work should be checked for stone-chips, rust & evidence of poorly
repaired accident damage.
- Check that service indicator & warning indicators are working as they should.
- Check the fan coupling isn't seized, the Motronic air-flow sensor is working and that
the head gasket is ok.
- Check that there is no black oil smoke, oil leaks on engine, clattering camshaft, noisy
cam chain or worn valvegear.
- Check for worn propshaft bearing, perished hoses, collapsed offside engine mount ( and
subsequent forward tilted engine block & misaligned air intake ).
- Worn or noisy manual gearbox bearings, stiff gearshift action, damaged propshaft/Gearbox
couplings & loose or leaking diff.
- Check for worn steering box and broken mounting bracket to subframe.
- Collapsed front & rear subframe mounting bushes.
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