C
ompany BMW put a lot of effort in developing the engine electronics this year, but it took yet another model year until the developments where ready for production.
Engine and chassi specifications for 628 CSi and 635 CSi remained the same as of previous year.
There was some difference between previous year though, but it was found in the options catalogue such as a Shadow Line finish, rear-seat air conditioning and a new spoiler for the trunk lid.

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The rear-seat air conditioning has a built-in refrigerator and offer excelent comfort for rear-seat passengers.
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One option that had become more or less standard equipment in many countries was headlight wipers, they had been available for some years though.
Production numbers for 1986
|
Model
|
Units
|
|
628 CSi
|
186
|
|
628 CSi A
|
89
|
|
628 CSi RHD
|
16
|
|
628 CSi A RHD
|
76
|
|
635 CSi
|
539
|
|
635 CSi A
|
413
|
|
635 CSi RHD
|
33
|
|
635 CSi A RHD
|
537
|
|
635 CSi Cat
|
170
|
|
635 CSi A Cat
|
181
|
|
635 CSi Cat RHD
|
57
|
|
635 CSi A Cat RHD
|
218
|
|
635 CSi USA
|
1037
|
|
635 CSi A USA
|
2265
|
|
635 CSi A Japan
|
506
|
|
M635 CSi
|
302
|
|
M635 CSi RHD
|
102
|
|
M635 CSi Cat
|
5
|
|
M635 CSi USA
|
255
|
|
M635 CSi Japan
|
40
|
|
Total:
|
8386
|
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Source: Bmwcoupe.nu