Factory maintenance schedule OEM · verified
Normal service, condensed from the factory interval matrix.
| Every 30,000 mi | Oxygen Sensor (replace) |
Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1985 318i.
The 1985 BMW 318i demands specific engine lubrication, requiring 4.2 quarts of 20W-50, 15W-50, or 10W-50 API SL viscosity oil to keep its powertrain running properly. While the fuel system, gasoline category stands out as the top complaint area among eight total owner grievances, the car benefits from a clean slate of zero recalls. When contextualized within the model's 1991-2001 complaint history—which saw a peak of 14 complaints in 1994 and a low of just 3 in 1996—the 1985 318i rests firmly on the lower end of the complaint spectrum, marking it as a notably stable chapter in the vehicle's reliability record.
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 318i 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 | 318 318i Coupe 1.8L I-4 | 11.60 sec | 18.30 sec | 101 hp | RWD |
| 1982 | 318 318i Coupe 1.8L I-4 | 10.50 sec | 17.50 sec | 101 hp | RWD |
| 1991 | 318 318is Coupe 1.8L I-4 | 8.70 sec | 16.40 sec | 134 hp | RWD |
| 1991 | 318 318is Coupe 1.8L I-4 | 9.70 sec | 17.30 sec | 134 hp | RWD |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 4.2 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 | 2 Pints |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 20W-50 · API · 15W-50 · 10W-50 · 5W-30 |
| Engine Oil Capacity | 4.2 qt |
| Power Steering Fluid | ATF |
Normal service, condensed from the factory interval matrix.
| Every 30,000 mi | Oxygen Sensor (replace) |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The provided federal record contains no 1985 entry, beginning instead in 1991, so the target model year predates the earliest tracked data by six years and cannot be directly compared to adjacent years in this dataset. Across the 1991–2001 span, complaints climb from nine in 1991 to a sustained peak of fourteen in 1994 and 1995 before falling to three in 1996 and four by 2001, while recalls diminish from a high of three in 1992 to zero in 1998 and 2001. For 1985 specifically, available federal data show two fire complaints, zero crash complaints, and isolated grievances spanning three fuel-system, two electrical, and two visibility issues plus one combined brakes and engine-cooling entry, though the data does not specify root causes. Because 1985 sits entirely outside the later federal record arc, buyers lack any year-by-year complaint or recall trajectory to contextualize its reliability. With two fire complaints on file and no federal recall or investigation history provided for this vintage, the 1985 model carries unquantified risk and is not a recommended year to buy on federal-record evidence alone.
All 8 complaints on record, top 4 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.
4.2 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.