The 1988 BMW Parts Manual provides comprehensive information for all BMW models manufactured in 1988, including the 3 Series (E30), 5 Series (E28), 6 Series (E24), and 7 Series (E23). This manual covers genuine OEM parts, part numbers, specifications, installation procedures, and maintenance requirements for engine components, transmission systems, suspension, brakes, electrical systems, and body parts.
This manual covers all 1988 BMW models with detailed parts breakdowns and specifications.
| Model Series | Chassis Code | Engine Options |
|---|---|---|
| 3 Series | E30 | M10, M20, M40, M42 engines |
| 5 Series | E28 | M20, M30, M21 engines |
| 6 Series | E24 | M30, M88/3 engines |
| 7 Series | E23 | M30, M102 engines |
| M3 | E30 | S14 engine |
| M5 | E28 | M88/3 engine |
Complete breakdown of engine parts and specifications for all 1988 BMW engines.
WARNING! Always disconnect battery before working on engine components. Use proper torque specifications.
Manual and automatic transmission components for 1988 BMW models.
CAUTION! Use only approved transmission fluids. Proper alignment critical during installation.
Complete brake system components including part numbers and specifications.
Front Brakes: Ventilated disc brakes with single or dual piston calipers. Rear Brakes: Solid disc brakes or drum brakes on base models. Master Cylinder: Tandem design with brake booster. ABS System: Bosch ABS II available on most models.
Wiring diagrams, component locations, and replacement procedures.
Tip: Always disconnect battery before electrical work. Use proper wiring diagrams.
Body panels, trim components, and interior parts for all 1988 BMW models.
WARNING! Use proper safety equipment when working with body components.
Radiator, cooling system components, and exhaust system parts.
| Component | Part Number Prefix | Specification |
|---|---|---|
| Radiator | 17 11 1 | Aluminum core with plastic tanks |
| Water Pump | 11 51 7 | Cast iron impeller |
| Thermostat | 11 53 7 | 80°C or 88°C opening temperature |
| Exhaust Manifold | 11 62 1 | Cast iron with heat shields |
| Catalytic Converter | 18 30 1 | Required for US models |
Recommended maintenance intervals and required parts.
Oil Change: Every 7,500 miles or 12 months. Spark Plugs: Every 30,000 miles. Timing Belt: Every 60,000 miles (M20/M30 engines). Brake Fluid: Every 2 years. Coolant: Every 2 years. Air Filter: Every 15,000 miles. Fuel Filter: Every 30,000 miles.
Standard BMW part numbering system and cross-reference guide.
| Part Category | Number Prefix | Description |
|---|---|---|
| Engine | 11 | All engine components |
| Fuel System | 13 | Fuel injection and carburetion |
| Cooling | 17 | Radiator and cooling system |
| Transmission | 23 | Manual and automatic gearboxes |
| Steering | 32 | Steering gear and linkage |
| Brakes | 34 | Brake system components |
| Electrical | 61 | Wiring and electrical components |
| Body | 51 | Body panels and trim |
| Model | Engine | Displacement | Power | Transmission |
|---|---|---|---|---|
| 318i | M10B18 | 1.8L | 105 hp | 5-speed manual |
| 325i | M20B25 | 2.5L | 168 hp | 5-speed manual |
| 528e | M20B27 | 2.7L | 121 hp | 5-speed manual |
| 535i | M30B35 | 3.5L | 182 hp | 5-speed manual |
| 635CSi | M30B34 | 3.4L | 182 hp | 5-speed manual |
| 735i | M30B35 | 3.5L | 182 hp | 4-speed auto |
Note: All specifications subject to regional variations and optional equipment.
Service: Contact authorized BMW dealership for genuine parts and technical support.