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 325E.
The 1985 BMW 325E represents an evolution of BMW's E30 platform, which underpinned a generation of the brand's compact executive cars, and its powertrain requires 4.3 quarts of oil with viscosity specifications ranging from 20W-50 to 10W-50 under API SL standards—a detail that speaks to the robust nature of its maintenance requirements. Based on available owner complaint data, this model year recorded just three total complaints, with electrical system issues comprising the most frequently cited concern alongside unspecified categories. With zero recalls issued for the 1985 325E, this generation stands apart from later E30 variants that would accumulate more documented manufacturing concerns over their production run. For researchers evaluating long-term ownership prospects, the minimal complaint volume and clean recall record suggest a vehicle whose documented issues remained relatively contained compared to successors in the E30 family tree.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses OE oil filter 11421707779. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
| Engine oil filter | 11421707779 |
| Engine air filter | 13721278138 |
| Fuel filter | 13321268231 |
| Spark plug | 12121279599 |
| Front wiper blades | 61611387678 |
| Serpentine belt | 11511711091 alt 32421706597 |
| Thermostat | 11531265085 alt 11531265084 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 4.3 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 | 3.6 Pints |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 20W-50 · API · 15W-50 · 10W-50 · 5W-30 |
| Engine Oil Capacity | 4.3 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.
Owner complaints about the 1985 BMW 325E dominate in one area — the electrical system,unknown or other, 1 of 3 reports (33%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 1 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the electrical system,unknown or other 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 3 complaints on record, top 3 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.
4.3 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.