Engine Mechanical:
Engine assembly, cylinder head, pistons, crankshaft, camshafts, valve train, timing, cooling system, lubrication system.
Engine Management:
Fuel injection, ignition system, emissions control (DME - Digital Motor Electronics), sensors and actuators.
Transmission Drivetrain:
Manual and automatic transmission overhaul, xDrive all-wheel drive system, differentials, driveshafts, axles.
Braking System:
Hydraulic system, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake pad and rotor replacement, caliper service.
Suspension Steering:
Front and rear suspension components, shock absorbers, springs, control arms, steering rack, power steering system.
Electrical System:
Battery, charging system, starter motor, lighting, power windows, mirrors, central locking, fuse box diagrams.
Body Chassis:
Body panels, doors, hood, trunk, interior trim, structural components, corrosion protection.
Climate Control:
HVAC system, air conditioning, heater core, climate control unit operation and repair.
Safety Systems:
Airbag system (SRS), seat belt mechanisms, tire pressure monitoring system (TPMS).
Routine Maintenance:
Oil change, filter replacements, spark plug service, brake fluid flush, coolant flush, drive belt replacement.
Diagnostic Troubleshooting:
Fault code interpretation, symptom-based troubleshooting charts, electrical circuit testing.
Engine Repair:
Head gasket replacement, piston ring replacement, crankshaft seal replacement, timing chain service.
Transmission Repair:
Clutch replacement (manual), torque converter replacement (automatic), valve body service.
Drivetrain Repair:
CV joint replacement, differential fluid change, transfer case service (xDrive).
Braking Component Replacement:
Brake caliper rebuild/replacement, ABS sensor replacement, master cylinder replacement.
Suspension Steering Repair:
Wheel bearing replacement, strut/shock absorber replacement, tie rod end replacement.
Electrical Component Replacement:
Alternator replacement, starter motor replacement, fuel pump replacement, ECU (Engine Control Unit) programming.
Bodywork Collision Repair:
Panel alignment, door mechanism repair, bumper replacement, structural repair guidelines.
Climate Control Repair:
AC compressor replacement, evaporator core replacement, heater control valve replacement.
Depth:
Full factory-level detail, including torque specifications, tolerances, diagnostic flowcharts, and wiring diagrams.
Length:
Sedan: 180.6 inches (4587 mm), Wagon: 183.0 inches (4648 mm), Coupe: 181.8 inches (4618 mm)
Width:
Sedan/Wagon: 70.1 inches (1780 mm), Coupe: 70.5 inches (1791 mm)
Height:
Sedan: 56.2 inches (1427 mm), Wagon: 57.3 inches (1455 mm), Coupe: 55.1 inches (1400 mm)
Wheelbase:
Sedan/Wagon: 108.7 inches (2760 mm), Coupe: 107.4 inches (2727 mm)
Cargo Volume Sedan:
12.0 cu ft (340 Liters)
Cargo Volume Wagon:
22.9 cu ft (649 Liters) / 58.3 cu ft (1650 Liters) with rear seats folded
Curb Weight Sedan:
Approx. 3571 lbs (1620 kg)
Curb Weight Wagon:
Approx. 3770 lbs (1710 kg)
Wheel Bolt Pattern:
5x120
Tire Size Standard:
225/45R17
Oil Change Interval:
Typically every 10,000-15,000 miles or 12-24 months, depending on driving conditions and oil used (as per Condition Based Service - CBS).
Brake Fluid Flush:
Every 2 years (BMW recommends).
Coolant Flush:
First service at 100,000 miles, then every 50,000 miles.
Spark Plug Replacement:
Typically around 60,000 miles (depending on specific spark plug type and condition).
Engine Oil Type:
SAE 0W-30 or 0W-40 Synthetic, meeting BMW Longlife-01 or Longlife-01 FE specifications.
Engine Oil Capacity:
6.9 US quarts (6.5 Liters) with filter change.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based).
Brake Fluid Type:
DOT 4 Low Viscosity (LV) Synthetic.
Transmission Fluid Manual:
MTF LT-2 or equivalent.
Transmission Fluid Automatic:
ATF LT-71141 or approved equivalent for 6HP19/21 transmissions.
Oil Leaks:
Common valve cover gasket, oil pan gasket, and front/rear main seal leaks.
Cooling System:
Plastic water pump failure, coolant expansion tank leaks, thermostat housing leaks.
Eccentric Shaft Sensor:
Failure can lead to rough running and misfires.
Ccv System:
Crankcase Ventilation system failure can lead to oil consumption and seal leaks.
Power Steering Pump:
Occasional leaks or noise from the pump.