Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
External Pages
's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Standard/Automatic Transmission - Overview) Section 2 (Maintenance And General Information - Special Tools - E90) Section 3 (Engine - Special Tools -- E90) Section 4 (Engine Electrical System - Special Tools - E90) Section 5 (Fuel System - Special Tools -- E90) Section 6 (Fuel Supply System - Special Tools -- E90) Section 7 (Clutch - Special Tools - E90) Section 8 (Manual Transmission - Special Tools -- E90) Section 9 (Gear Shift Mechanism - Special Tools - E90) Section 10 (Propeller Shaft - Special Tools - E90) Section 11 (Front Axle - Special Tools - E90) Section 12 (Steering And Wheel Alignment - Special Tools - E90) Section 13 (Rear Axle - Special Tools - E90) Section 14 (Brakes - Special Tools - E90) Section 15 (Wheel And Tires - Special Tools - E90) Section 16 (Body Equipment - Special Tools - E90) Section 17 (General Electrical System - Special Tools - E90) Section 18 (Heating And Air Conditioning - Special Tools - E90) Section 19 (Airbag, Audio, Navigation, Anti-Theft, Restraint - Special Tools - E90) Section 20 (Distance Systems, Cruise Control - Special Tools - E90) Section 21 (Engine - Technical Data -- E90) Section 22 (Fuel System - Technical Data -- E90) Section 23 (Fuel Supply System - Technical Data -- E90) Section 24 (Cooling System - Technical Data - E90) Section 25 (Front Axle - Technical Data - E90) Section 26 (Steering And Wheel Alignment - Repair - E90) Section 27 (Steering And Wheel Alignment - Technical Data - E90) Section 28 (Rear Axle - Technical Data - E90) Section 29 (Brakes - Technical Data - E90) Section 30 (Wheel And Tires - Technical Data - E90) Section 31 (Lights - Technical Data - E90) Section 32 (Heating And Air Conditioning - Technical Data - E90) Section 33 (Maintenance And General Information - Tightening Torques -- E90) Section 34 (Engine - Tightening Torques -- E90) Section 35 (Engine - Repair - E90) Section 36 (Engine Electrical System - Tightening Torques - E90) Section 37 (Fuel Supply System - Tightening Torques - E90) Section 38 (Cooling System - Tightening Torques - E90) Section 39 (Exhaust System - Tightening Torques -- E90) Section 40 (Clutch - Tightening Torques - E90) Section 41 (Engine And Transmission Mounting - Tightening Torques - E90) Section 42 (Manual Transmission - Repair - E90) Section 43 (Propeller Shaft - Tightening Torques - E90) Section 44 (Front Axle - Tightening Torques - E90) Section 45 (Steering And Wheel Alignment - Tightening Torques - E90) Section 46 (Rear Axle - Tightening Torques - E90) Section 47 (Rear Axle - Repair - E90) Section 48 (Brakes - Tightening Torques - E90) Section 49 (Pedals - Tightening Torques - E90) Section 50 (Wheel And Tires - Tightening Torques - E90) Section 51 (Integrated Suspension Systems - Tightening Torques - E90) Section 52 (Body - Tightening Torques - E90) Section 53 (Body Equipment - Tightening Torques - E90) Section 54 (Seats - Tightening Torques - E90) Section 55 (Slide/Tilt Roof - Tightening Torques - E90) Section 56 (General Electrical System - Tightening Torques - E90) Section 57 (Instruments - Tightening Torques - E90) Section 58 (Lights - Tightening Torques - E90) Section 59 (Heating And Air Conditioning - Tightening Torques - E90) Section 60 (Airbag, Audio, Navigation, Anti-Theft, Restraint - Tightening Torques - E90) Section 61 (Active Cruise Control (Acc) Sensor, Independent Heater, & Trailer Hitch - Tightening Torques - E90) Section 62 (Restraints - Tightening Torque - E90) Section 63 (Towing - Tightening Torques - E90) Section 64 (Maintenance And General Information - Repair - E90) Section 65 (General Electrical System - Repair - E90) Section 66 (Body Equipment - Repair - E90) Section 67 (Brakes - Repair - E90) Section 68 (Wheel And Tires - Repair - E90) Section 69 (Trailer - Repair - E90) Section 70 (Restraints - Repair - E90) Section 71 (Heating And Air Conditioning - Repair - E90) Section 72 (Fuel System - Repair - E90) Section 73 (Engine Electrical System - Repair - E90) Section 74 (Cooling System - Repair - E90) Section 75 (Engine And Transmission Mounting - Repair - E90) Section 76 (Exhaust System - Repair -- E90) Section 77 (Front Axle - Repair - E90) Section 78 (Clutch - Repair - E90) Section 79 (Electrical Drives - Repair - E90) Section 80 (Fuel Supply System - Repair -- E90) Section 81 (Seats - Repair - E90) Section 82 (Propeller Shaft - Repair - E90) Section 83 (Gear Shift Mechanism - Repair - E90) Section 84 (Collision - Body Panel Repair (E90) Sedan) Section 85 (Distance Systems, Cruise Control - Repair - E90) Section 86 (Airbag, Audio, Navigation, Anti-Theft, Restraint - Repair - E90) Section 87 (Integrated Suspension Systems - Repair - E90) Section 88 (Lights - Repair - E90) Section 89 (Pedals - Repair - E90) Section 90 (Tire Sealant And Towing - Repair - E90) Section 91 (Communication Systems - Repair - E90) Section 92 (Instruments - Repair - E90) Section 93 (Slide/Tilt Roof - Repair - E90) Section 94 (Maintenance And General Information - Special Tools -- M3 Coupe) Section 95 (Engine - Special Tools -- M3 Coupe) Section 96 (Engine Electrical System - Special Tools -- M3 Coupe) Section 97 (Fuel System - Special Tools -- M3 Coupe) Section 98 (Fuel Supply System - Special Tools -- M3 Coupe) Section 99 (Cooling System - Special Tools -- M3 Coupe) Section 100 (Clutch - Special Tools -- M3 Coupe) Section 101 (Manual Transmission - Special Tools -- M3 Coupe) Section 102 (Automatic Transmission - Special Tools -- M3 Coupe) Section 103 (Gear Shift Mechanism - Special Tools -- M3 Coupe) Section 104 (Propeller Shaft - Special Tools -- M3 Coupe) Section 105 (Front Axle - Special Tools -- M3 Coupe) Section 106 (Steering And Wheel Alignment - Special Tools -- M3 Coupe) Section 107 (Rear Axle - Special Tools -- M3 Coupe) Section 108 (Brakes - Special Tools -- M3 Coupe) Section 109 (Wheel And Tires - Special Tools -- M3 Coupe) Section 110 (Body - Special Tools -- M3 Coupe) Section 111 (Body Equipment - Special Tools -- M3 Coupe) Section 112 (Seats - Special Tools -- M3 Coupe) Section 113 (Slide/Tilt Roof - Special Tools -- M3 Coupe) Section 114 (General Electrical System - Special Tools -- M3 Coupe) Section 115 (Heating And Air Conditioning - Special Tools -- M3 Coupe) Section 116 (Audio, Navigation, Anti-Theft, Airbag Control - Special Tools -- M3 Coupe) Section 117 (Distance Systems, Cruise Control - Special Tools -- M3 Coupe) Section 118 (Restraints And Towing - Special Tools -- M3 Coupe) Section 119 (Engine - Technical Data -- M3 Coupe) Section 120 (Fuel System - Technical Data -- M3 Coupe) Section 121 (Front Axle - Technical Data -- M3 Coupe) Section 122 (Steering And Wheel Alignment - Repair -- M3 Coupe) Section 123 (Steering And Wheel Alignment - Technical Data -- M3 Coupe) Section 124 (Rear Axle - Technical Data -- M3 Coupe) Section 125 (Brakes - Technical Data -- M3 Coupe) Section 126 (Wheel And Tires - Technical Data -- M3 Coupe) Section 127 (Lights - Technical Data -- M3 Coupe) Section 128 (Heating And Air Conditioning - Technical Data -- M3 Coupe) Section 129 (Engine - Tightening Torques -- M3 Coupe) Section 130 (Engine - Repair -- M3 Coupe) Section 131 (Engine Electrical System - Tightening Torques -- M3 Coupe) Section 132 (Fuel System - Tightening Torques -- M3 Coupe) Section 133 (Exhaust System - Tightening Torques -- M3 Coupe) Section 134 (Clutch - Tightening Torques -- M3 Coupe) Section 135 (Engine And Transmission Mounting - Tightening Torques -- M3 Coupe)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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