Engine Systems:
M44 (1.9L), M50 (2.5L), M52 (2.8L) and S50/S52 (3.0L/3.2L) inline-six engines, including cooling, lubrication, fuel injection, ignition, emissions, engine mechanicals, cylinder head, block, crankshaft, pistons, connecting rods
Transmission Systems:
Getrag 250G 5-speed manual transmission, ZF 5HP18/5HP19 4-speed automatic transmission, clutch, drivetrain, differentials, driveshafts, CV joints
Brake Systems:
Front and rear disc brakes (vented front), ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), parking brake, brake lines, calipers, master cylinder
Suspension Steering:
Front MacPherson struts, rear multi-link suspension, shock absorbers, springs, control arms, sway bars, power steering system, steering rack, steering column
Electrical Systems:
Battery, charging system, starter motor, alternator, ignition switch, lighting, fuses, relays, wiring diagrams, engine control module (ECM), body control module (BCM), instrument cluster, power windows, locks, mirrors, sunroof
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel injectors, fuel pressure regulator, EVAP system
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, exhaust pipes
Cooling System:
Radiator, water pump, thermostat, coolant hoses, expansion tank, cooling fan
HVAC System:
Air conditioning, heater core, blower motor, climate control unit, refrigerant system
Body And Interior:
Body panels, doors, hood, trunk lid, bumpers, interior trim, seats, airbags, seat belts
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, coolant flushes, brake fluid flushes, power steering fluid changes, transmission fluid and filter changes, differential fluid changes, belt inspections and replacement, battery checks
Engine Repair:
Head gasket replacement, timing chain/belt service (if applicable), piston and ring replacement, bearing replacement, valve stem seal replacement, rebuild procedures for engine block and cylinder head
Transmission Repair:
Manual transmission clutch replacement, rebuild procedures for manual and automatic transmissions, torque converter replacement, transmission mount replacement
Brake System Repair:
Brake pad and rotor replacement, caliper rebuild/replacement, master cylinder replacement, brake line replacement, bleeding the brake system, ABS component testing and replacement
Suspension Steering Repair:
Strut and shock absorber replacement, control arm bushing replacement, ball joint replacement, tie rod end replacement, steering rack repair/replacement, power steering pump replacement
Electrical Diagnosis Repair:
Troubleshooting electrical faults using wiring diagrams, sensor testing and replacement, starter and alternator testing, module programming (where applicable), repair of wiring harnesses
Fuel System Diagnosis Repair:
Fuel injector testing and cleaning, fuel pump diagnosis, fuel pressure testing, EVAP system leak detection and repair
HVAC System Repair:
Refrigerant system charging, leak detection, compressor replacement, evaporator and heater core replacement, blower motor replacement
Bodywork And Trim:
Door panel removal, interior trim replacement, alignment of body panels, window regulator repair
Troubleshooting Guides:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting charts
Depth Of Information:
Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and specifications.
Oil Change Interval:
Every 7,500 to 10,000 miles or annually (BMW Condition Based Service - CBS, or manufacturer's recommendation for severe service)
Spark Plug Replacement:
Approx. 30,000-60,000 miles (depending on spark plug type - standard vs. long-life)
Coolant Flush Interval:
Every 2 years or 30,000 miles
Brake Fluid Flush Interval:
Every 2 years (regardless of mileage)
Engine Oil Type M52B28:
SAE 5W-30 or 5W-40 Synthetic (BMW Longlife-01 or equivalent)
Engine Oil Capacity M52B28:
Approx. 6.5 US quarts (6.2 L) with filter
Coolant Type:
BMW Blue Antifreeze/Coolant (Ethylene Glycol based, silicate-free) mixed 50/50 with distilled water
Power Steering Fluid:
BMW Power Steering Fluid (CHF 11 S or Pentosin CHF 202) or a compatible Pentosin PSF
Cooling System:
Plastic expansion tank cracks, water pump failure, thermostat housing leaks. Regular inspection of hoses and clamps.
Suspension Components:
Wear in control arm bushings (vibrations, steering wander), shock absorber failure, rear subframe mounting points can fatigue or crack (especially on higher-mileage cars).
Electrical Gremlins:
Corrosion on ABS sensors, headlight switch issues, window regulator failures, blower motor resistor failures are common.
Oil Leaks:
Valve cover gasket, oil pan gasket, and oil filter housing gasket are prone to leaks due to age and material degradation.
M52 Vanos System:
Variable Valve Timing (VANOS) solenoids can fail, leading to rough idle or loss of low-end torque. Seals within the VANOS unit can also degrade.
Oil Filter Oem Part Number:
11 42 1 730 301 (example for M52)
Cabin Air Filter Oem Part Number:
64 11 8 375 525 (example for E36)