1985–1987 BMW 635CSI

3.4L I6•RWD•gas•M30B34

5-Year Cost of Ownership

$7,844 maintenance + likely wear

~$1,569/yr · 130¢/mile equivalent

Labor Times — 1985–1987 BMW 635CSi

MOST COMMON JOBS8 jobs that 80% of techs look up

488 jobs across 18 categories

body (32)

brakes (41)

cooling (21)

drivetrain (20)

electrical (70)

emissions (1)

Oxygen Sensor Replacement
emissions

engine (61)

exhaust (24)

fuel (20)

fuel-system (8)

hvac (22)

ignition (11)

interior (24)

maintenance (32)

misc (2)

steering (19)

suspension (36)

transmission (44)

Repair Procedures — 1985–1987 BMW 635CSi

Unlock any single procedure for $3 — or become the founding sponsor and we generate every common job on this 635CSi, with your name on each one.

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body · 32

brakes · 41

cooling · 21

drivetrain · 20

electrical · 70

emissions · 1

Oxygen Sensor Replacement$3 — unlock

engine · 61

exhaust · 24

fuel · 20

fuel-system · 8

hvac · 22

ignition · 11

interior · 24

maintenance · 32

misc · 2

steering · 19

suspension · 36

transmission · 44

Torque Specs — 1985–1987 BMW 635CSi

Units

129 torque specs across 11 categories

brakes (23)

cooling (16)

drivetrain (12)

electrical (12)

engine (36)

exhaust (2)

fuel (4)

hvac (5)

ignition (2)

steering (4)

suspension (13)

Fluid Capacities — 1985–1987 BMW 635CSi

DTC Codes — 1985–1987 BMW 635CSi

No DTC data for this vehicle.

Battery Specs — 1985–1987 BMW 635CSi

BCI Group 90

Lead AcidOEM

estimated

520 CCA

Cold Cranking Amps

55 Ah

Amp Hours

90 min

Reserve Capacity

12V

Voltage

TerminalTop Post

PolarityRight Positive

Dimensions9.5" × 6.88" × 6.88"

🛒 Cross-references (buy at any parts store)

Buy on Amazon

Fitment notes: Battery located in trunk; European 242mm length specification

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Control Modules — 1985–1987 BMW 635CSi

Module data for this vehicle is being compiled — check back soon.

Maintenance Schedule — 1985–1987 BMW 635CSi

32 maintenance items across 1 category

maintenance (32)

Wiper Blade Sizes — 1985–1987 BMW 635CSi

🌧️ Wiper Blades

1985-1987

20″

Driver side

20″

Passenger side

Attachmenthook

📝 E24 chassis coupe, no rear wiper. Both blades typically same length.

🛒 Part numbers on the shelf

20″Bosch ICON 20A/B · Rain-X WeatherBeater RX30120 · ANCO 31-20Buy on Amazon

Size-standard part numbers — verify your connector type before buying.

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Full wiper guide for this 635CSi →

NHTSA Recalls — 1985–1987 BMW 635CSi

No NHTSA recalls on file for this vehicle.

Vehicle Info — 1985–1987 BMW 635CSi

Wiper blades

E24 chassis coupe, no rear wiper. Both blades typically same length.

Driver side

20in

Passenger side

20in

Attachment

hook

20″ fits: Bosch ICON 20A/B · Rain-X WeatherBeater RX30120 · ANCO 31-20

Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.

Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1985–1987 BMW 635CSi 3.4L I6 and can vary by trim.

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.

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