Engine Mechanical:
Complete overhaul, diagnostics, repair of all engine variants, including cylinder head, block, pistons, rings, crankshaft, camshafts, valve train, timing systems, lubrication, cooling, and emission control systems.
Engine Electrical:
Engine control unit (ECU) diagnostics, ignition system, fuel injection, sensors (crankshaft position, camshaft position, knock, MAP, MAF, oxygen), actuators, starter motor, alternator, battery, wiring diagrams.
Transmission Automatic:
ZF 8-speed Steptronic (GA8HP series) repair, diagnostics, fluid changes, torque converter, valve body, mechatronics, solenoids, control module, and electronic shift lever.
Transmission Manual:
While less common on F07, if applicable, covers clutch, gearbox, drive shafts, differential, and associated systems.
Drivetrain:
All-wheel drive (xDrive) system diagnostics and repair, transfer case, driveshafts, CV joints, axle shafts, differential (front and rear).
Suspension:
Front and rear suspension systems, struts, shock absorbers, control arms, bushings, ball joints, anti-roll bars, adaptive drive, self-leveling suspension systems, steering angle sensor.
Steering:
Power steering system (electric power steering - EPS), steering rack, tie rods, power steering pump (if hydraulic), steering column, steering angle sensor calibration.
Brakes:
Hydraulic brake system, ABS, DSC (Dynamic Stability Control), EBD (Electronic Brake-force Distribution), brake discs, pads, calipers, brake lines, master cylinder, brake booster, parking brake (electronic), hydraulic unit, pressure sensors.
Electrical System:
Comprehensive wiring diagrams, fuses, relays, battery management, grounding points, power distribution, body control module (BCM), intelligent battery sensor (IBS).
Comfort Systems:
HVAC system, automatic climate control, seat heating/ventilation, steering wheel heating, power seats, sunroof, door locks, power windows, mirrors, ambient lighting, comfort access.
Infotainment And Navigation:
iDrive system, Head Unit (HU), Navigation system, Radio, Bluetooth, USB connectivity, satellite radio, voice control, display units, digital instrument cluster.
Driver Assistance:
Adaptive Cruise Control (ACC), Lane Departure Warning (LDW), Lane Keep Assist (LKA), Blind Spot Detection (BSD), Parking Assistant, Surround View cameras, Head-Up Display (HUD), Night Vision.
Body And Chassis:
Body panel removal/installation, door mechanisms, tailgate operation, chassis components, structural repairs, sound deadening, exterior trim, lighting (headlights, taillights, fog lights, interior lights).
Safety Systems:
Airbag system (SRS), seatbelt pretensioners, crash sensors, control modules, occupant detection systems.
Routine Maintenance:
Oil changes, filter replacements (oil, air, cabin), spark plug replacement, brake fluid flush, coolant flush, drive belt inspection/replacement, tire rotation and pressure checks.
Diagnostic Procedures:
On-board diagnostics (OBD-II), use of BMW ISTA/D (Integrated Service Application/Diagnostic) and ISTA/P (Programming) software, fault code reading and interpretation, live data analysis, component testing.
Repair Procedures:
Step-by-step instructions for component replacement, calibration, alignment, system bleeding, electrical component testing and repair, body panel repair and replacement.
Troubleshooting:
Systematic approaches to diagnose and resolve common and uncommon faults across all vehicle systems.
Specifications And Tolerances:
Torque values for fasteners, clearances, fluid capacities, electrical specifications, diagnostic parameters.
Depth:
Complete rebuilds, advanced diagnostics, electronic system programming and coding, complex component replacements.
Oil Change Interval:
Condition Based Service (CBS) system typically recommends every 10,000-15,000 miles or annually, depending on driving conditions.
Brake Fluid Interval:
Every 2 years, regardless of mileage.
Spark Plug Interval Gasoline:
Typically around 60,000 miles for N55 and N63 engines, check specific recommendations.
Engine Oil 535I:
BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) approved 0W-30 or 5W-30 synthetic oil.
Engine Oil 550I:
BMW Longlife-01 (LL-01) approved 5W-30 or 5W-40 synthetic oil.
Transmission Fluid:
ZF Lifeguardfluid 8 (LF-8) or equivalent approved ATF for the 8-speed transmission. BMW advises against 'lifetime' fluid changes for this unit.
Coolant:
BMW Blue Antifreeze/Coolant (G48) or approved equivalent, mixed 50/50 with distilled water.
N63 Engine Issues:
Oil consumption, valve stem seal issues, carbon buildup on intake valves (common for direct injection), turbocharger issues, ignition coil and injector failures.
N55 Engine Issues:
Potential for turbo wastegate rattle, water pump failure, VANOS solenoids.
Electronics:
Occasional issues with iDrive system glitches, parking sensor failures, and adaptive suspension components.
Tailgate Mechanism:
Some reports of issues with the dual-opening tailgate mechanism or associated sensors.