Segment:
Compact Executive Sedan/Coupe
Reputation:
Known for its sporty handling, refined inline-six engines, and premium build quality. A benchmark in its class during its production run.
Competitors:
Mercedes-Benz C-Class (W202), Audi A4 (B5), Lexus IS, Infiniti G20.
Driving Dynamics:
Balanced chassis, rear-wheel drive, near 50/50 weight distribution, responsive steering.
Engine Powertrain:
Smooth and powerful M50/M52 inline-six engines offering a desirable blend of performance and refinement.
Build Quality:
Solid construction, durable interior materials, and high-quality fit and finish characteristic of BMW.
Purpose:
To provide comprehensive repair and maintenance guidance for BMW 325i (E36) models from 1992-1998, enabling DIY mechanics and professional technicians to perform accurate and efficient work.
Supported Years:
1992, 1993, 1994, 1995, 1996, 1997, 1998
Type:
Workshop Service Manual / Repair Manual
Format:
PDF (Instant Download)
Engine:
Engine mechanicals, cooling system, lubrication system, fuel injection (Bosch Motronic), ignition system, exhaust system.
Transmission:
Manual transmission (Getrag 260/5, 260/6), Automatic transmission (ZF 4HP22 EH), clutch, driveshaft, differential.
Chassis:
Front suspension (MacPherson struts), rear suspension (multi-link, Z-axle), steering system (power steering), brakes (ABS, vented front discs, solid rear discs), wheels and tires.
Electrical:
Engine control unit (ECU) wiring diagrams, lighting, instrumentation, power windows, central locking, wipers, horn, audio system, climate control electronics, body control modules (BCM).
Body:
Body shell construction, doors, hood, trunk, bumpers, glass, interior trim, seats, HVAC system (air conditioning, heating).
Maintenance:
Routine maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, belt inspections.
Repair:
Engine overhaul, cylinder head removal and installation, piston and connecting rod service, crankshaft service, valve train repair, transmission rebuild, brake caliper and rotor replacement, suspension component replacement, power steering pump and rack repair.
Diagnostics:
Troubleshooting guides, fault code identification (OBD-I and early OBD-II), diagnostic procedures for various systems, component testing.
Specifications:
Torque specifications for all fasteners, engine component clearances, fluid capacities, electrical system specifications, alignment specifications.
Depth:
Comprehensive coverage from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.
Engine Type:
Naturally Aspirated Inline 6-Cylinder
Displacement:
2.5 Liters (2494 cc)
Engine Codes:
M50B25 (up to ~1995), M52B25 (from ~1996)
Horsepower:
Approx. 189-192 hp (depending on year and specific variant, e.g., catalytic converter count)
Torque:
Approx. 240-245 Nm (177-181 lb-ft)
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Premium Gasoline (91 octane or higher recommended)
ECU Type:
Bosch Motronic (e.g., M3.3, M5.2)
Body Styles:
Sedan (4-door), Coupe (2-door), Convertible (2-door), Touring (wagon, less common in North America).
Wheelbase:
Approx. 2700 mm (106.3 inches)
Length:
Sedan: Approx. 4433 mm (174.5 in), Coupe: Approx. 4421 mm (174.0 in)
Width:
Approx. 1711 mm (67.4 inches)
Height:
Sedan: Approx. 1372 mm (54.0 in), Coupe: Approx. 1371 mm (53.9 in)
Curb Weight:
Approx. 1450-1550 kg (3197-3417 lbs) depending on body style and equipment.
Gross Vehicle Weight Rating:
Varies by model, typically around 1950-2050 kg.
Crash Test History:
While specific NHTSA/IIHS ratings for this era are less standardized than today, the E36 chassis was engineered with safety in mind for its time. Features included crumple zones and reinforced passenger compartments.
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Optional ASC (Automatic Stability Control) or ASC+T (with Traction Control) on some models.
Airbags:
Driver and passenger airbags standard from approximately 1994/1995 onwards. Early models may not have passenger airbag.
Seatbelts:
3-point inertia-reel seatbelts with pre-tensioners.
Audio System:
Factory premium audio systems available (e.g., Harman Kardon on some models), typically with cassette and optional CD player. Analog tuning radios.
Cruise Control:
Standard cruise control system.
Climate Control:
Manual climate control or optional automatic climate control (ECC - Electronic Climate Control) with digital displays.
OBD System:
OBD-I diagnostic port initially, transitioning to early OBD-II standards towards the end of the E36 production cycle for some models. The manual will cover relevant diagnostic procedures for these systems.
Oil Change Interval:
Typically every 10,000 - 15,000 miles (16,000 - 24,000 km) or 12-24 months, depending on driving conditions and oil used. Check Engine Oil Service Indicator (CBS) on newer models or follow manual recommendations.
Spark Plug Replacement:
Approximately every 30,000 - 60,000 miles (48,000 - 96,000 km) depending on spark plug type (standard vs. long-life iridium/platinum).
Coolant Flush:
Recommended every 2-3 years or 30,000 miles (48,000 km).
Engine Oil:
BMW High Performance SAE 5W-30 or 5W-40 synthetic oil meeting BMW Longlife-98 (LL-98) or newer specifications if compatible. Check manual for exact approvals.
Coolant:
BMW Blue Coolant (G48) or equivalent ethylene glycol-based coolant with corrosion inhibitors. Typically a 50/50 mix with distilled water.
Brake Fluid:
DOT 4 Low Viscosity (LV) brake fluid.
Transmission Fluid Manual:
MTF LT-2 or equivalent SAE 75W-90 synthetic gear oil.
Transmission Fluid Automatic:
ZF Lifeguardfluid 5 (or equivalent) ATF for the 4HP22 EH transmission.
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid.
Cooling System:
Plastic expansion tank can become brittle and crack; water pump impeller can degrade. Overheating is a common symptom.
Suspension:
Worn front control arm bushings (bushings are often integrated into the arm), rear subframe bushings, and strut mounts are common wear items.
Electrical:
ABS sensor failures, headlight leveling module issues, blower motor resistor failure, door lock actuator problems.
Engine M50 M52:
VANOS (Variable Valve Timing) unit can develop leaks or noise; oil pan gasket and valve cover gasket leaks.
Interior:
Headliner sagging, driver's seat bolster wear, pixelated instrument cluster displays (often repairable).
Brand Focus:
BMW is renowned for its 'Ultimate Driving Machine' philosophy, emphasizing performance, engineering, and driver engagement.
E36 Introduction:
The E36 generation replaced the popular E30 3 Series and introduced significant advancements in chassis design, suspension, and engine technology.
325I Positioning:
The 325i was positioned as the mid-to-high range model within the E36 lineup, offering a potent six-cylinder engine and a balance of performance and luxury.
Production Years:
1990-2000 (E36 generation globally). The 325i models specifically covered by this manual are from the 1992-1998 range.
Manufacturing Locations:
Primarily Germany, with some production in other BMW facilities worldwide.
Car And Driver:
Consistently featured on Car and Driver's '10Best' list during its production years, recognizing its excellent driving dynamics and overall value.
General Reception:
Widely acclaimed by automotive press for its performance, handling, and luxury appointments, cementing its status as a desirable sports sedan/coupe.
