Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1983 633CSi.
The 1983 BMW 633CSi maintains a 5.3-quart oil capacity accepting 20W-50, 15W-50, or 10W-50 API SL viscosity grades. Beyond these requirements, the model year presents a notably clean reliability profile with zero recalls and only two total owner complaints, although service brakes and hydraulic systems stand out as the top complaint area. This limited fault history frames the vehicle as a low-risk iteration, indicating that researcher scrutiny is best directed toward hydraulic brake integrity rather than broader systemic defects.
Fluid capacities, tune-up values and fuel economy at a glance.
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the 633CSi of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 1983 | Coupe 3.2L I-6 | 7.70 sec | 16.00 sec | 181 hp | RWD |
| 1983 | Coupe 3.2L I-6 | 8.50 sec | 16.50 sec | 181 hp | RWD |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 5.3 qt of 20W-50 / 15W-50 / 10W-50 API SL engine oil, GL-5 in the differential, DOT 4 brake fluid.
| Brake Fluid | DOT 4 |
| Differential Gear Oil | GL-5 |
| Differential Gear Oil Capacity | 3.8 Pints |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 20W-50 · API · 15W-50 · 10W-50 · 5W-30 |
| Engine Oil Capacity | 5.3 qt |
| Power Steering Fluid | ATF |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Owner complaints about the 1983 BMW 633CSi dominate in one area — the service brakes, hydraulic, 1 of 2 reports (50%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the service brakes, hydraulic pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.
All 2 complaints on record, top 2 components.
Source: NHTSA Office of Defects Investigation complaint database.
No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.
Showing 1 of 1 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B510819 | 2024-01-16 | Electrical System | The basic conditions for initializing the power windows are not met. |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
5.3 qt of 14 degrees F TO 122 degrees F: 20W-50 API SL OR GREATER, -4 degrees F TO 104 degrees F: 15W-50 API SL, -22 degrees F TO 68 degrees F: 10W-50 API SL OR GREATER, -40 degrees F TO 23 degrees F: 5W-30 API SL OR GREATER, per the factory manual.
NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.