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 car Section 1 (Starters) Section 2 (Abs/Traction Control - Repair (E46)) Section 3 (Specifications & Procedures) Section 4 (Differentials & Axle Shafts) Section 5 (Servicing - M/T) Section 6 (Servicing - A/T) Section 7 (Engine Controls - Service & Adjustment Specifications) Section 8 (Engine Controls - On-Vehicle Adjustments) Section 9 (Engine Controls - Basic Diagnostic Procedures) Section 10 (Engine Controls - Trouble Shooting - No Codes) Section 11 (Engine Controls - System & Component Testing) Section 12 (Engine Controls - Removal, Overhaul & Installation) Section 13 (Engine Performance Wiring Diagrams) Section 14 (Air Bag Restraint System) Section 15 (Wiper/Washer System) Section 16 (Air Bag Restraint System) Section 17 (Steering Column - E36) Section 18 (Air Bag/SRS Component Inspection & Replacement Tables - EUROPEAN) Section 19 (Air Bag Restraint Systems) Section 20 (A/C-Heater System) Section 21 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 22 (Front Axle - Repair - E46) Section 23 (Air Bag Restraint Systems) Section 24 (Air Bag Restraint Systems) Section 25 (Air Bag Restraint Systems) Section 26 (Rear Suspension - Repair - E46) Section 27 (Engine Controls - Service & Adjustment Specifications) Section 28 (Engine Controls - On-Vehicle Adjustments) Section 29 (Engine Controls - Basic Diagnostic Procedures) Section 30 (Diagnostic Trouble Codes With Test Charts) Section 31 (Engine Controls - Trouble Shooting - No Codes) Section 32 (Engine Controls - System & Component Testing) Section 33 (Engine Controls - Pin Voltage Charts) Section 34 (Steering Column - Repair) Section 35 (Power Steering System - Repair) Section 36 (Air Bag Deactivation Procedures) Section 37 (Cabin Air Filter - E46) Section 38 (Diagnostic Trouble Codes With Test Charts) Section 39 (Diagnostic Trouble Codes With Test Charts) Section 40 (Diagnostic Trouble Codes With Test Charts (V8 & V12)) Section 41 (Computer Relearn Procedures) Section 42 (Diagnostic Trouble Codes With Test Charts) Section 43 (Air Bag Restraint Systems) Section 44 (Air Bag Restraint Systems) Section 45 (Brakes - Repair (E46)) Section 46 (Starter - Repair (2WD)) Section 47 (Starter - Repair) Section 48 (Cooling Fans - Repair (E46)) Section 49 (Servicing - A/T) Section 50 (Manual Transmission - Servicing) Section 51 (Standard/Automatic Transmission - Overview) Section 52 (Removal & Installation (A5S 560Z)) Section 53 (Transmission - Overview) Section 54 (Removal & Installation (A5S 325Z)) Section 55 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 56 (Air Bag Restraint Systems) Section 57 (Removal & Installation - M3 (S6S 420G SMG)) Section 58 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 59 (On-Vehicle Servicing - (A5S 360R/390R)) Section 60 (Removal & Installation (A5S 3690R/390R)) Section 61 (On-Vehicle Servicing - (S5D 200G/250G & GS6S37BZ SMG)) Section 62 (On-Vehicle Servicing - (S5DZ & GS6X37BZ)) Section 63 (Gear Shift Mechanism - Repair) Section 64 (Center Console) Section 65 (Maintenance And General Information - Repair Instructions) Section 66 (Engine - Repair (S54)) Section 67 (Engine Electrical System - Repair Instructions) Section 68 (Fuel System - Repair Instructions) Section 69 (Cooling System - Repair Instructions) Section 70 (Exhaust System - Repair Instructions) Section 71 (Clutch - Repair Instructions) Section 72 (Manual Transmission - Repair Instructions) Section 73 (Propeller Shaft - Repair Instructions) Section 74 (Wheel And Tires - Repair Instructions) Section 75 (Body Equipment - Repair Instructions) Section 76 (General Electrical System - Repair Instructions) Section 77 (Instruments - Repair Instructions) Section 78 (Engine - Technical Data) Section 79 (Engine Electrical System - Technical Data) Section 80 (Fuel System - Technical Data) Section 81 (Manual Transmission - Technical Data) Section 82 (Propeller Shaft - Technical Data) Section 83 (Wheel And Tires - Technical Data) Section 84 (Maintenance And General Information - Tightening Torques) Section 85 (Engine - Tightening Torques) Section 86 (Engine Electrical System - Tightening Torques) Section 87 (Fuel System - Tightening Torques) Section 88 (Cooling System - Tightening Torques) Section 89 (Clutch - Tightening Torques) Section 90 (Manual Transmission - Tightening Torques) Section 91 (Propeller Shaft - Tightening Torques) Section 92 (Wheel And Tires - Tightening Torques) Section 93 (Body Equipment - Tightening Torques) Section 94 (General Electrical System - Tightening Torques) Section 95 (Maintenance And General Information - Repair Instructions) Section 96 (Exhaust System - Repair Instructions) Section 97 (Gear Shift Mechanism - Repair Instructions) Section 98 (Propeller Shaft - Repair Instructions) Section 99 (Body Equipment - Repair Instructions) Section 100 (Seats - Repair Instructions) Section 101 (Slide/Tilt Roof - Repair Instructions) Section 102 (Instruments - Repair Instructions) Section 103 (Exterior/Interior Lights - Repair Instructions) Section 104 (Audio, Navigation, Anti-Theft And Restraints - Repair Instructions) Section 105 (Distance Systems, Cruise Control - Repair Instructions) Section 106 (WHEEL AND TIRES - TECHNICAL DATA - 750iL) Section 107 (Exhaust System - Tightening Torques - E38) Section 108 (Propeller Shaft - Tightening Torques) Section 109 (Body Equipment - Tightening Torques) Section 110 (Seats - Tightening Torques) Section 111 (Slide/Tilt Roof And Convertible Top - Tightening Torques) Section 112 (Cooling System - Technical Data) Section 113 (Maintenance And General Information - Special Tools) Section 114 (Engine- Special Tools - M-Coupe & Z3 (E36)) Section 115 (Clutch - Special Tools - M-Coupe/Roadster & Z3 (E36)) Section 116 (MAINTENANCE - REPAIR INSTRUCTIONS - 330i, 330Ci, 330xi (M54/E46)) Section 117 (Engine - Repair (6-CYL)) Section 118 (Engine Electrical System - Repair) Section 119 (Fuel System - Repair Instructions) Section 120 (Fuel Supply System - Repair) Section 121 (Cooling System - Repair Instructions) Section 122 (Exhaust System - Repair) Section 123 (Engine And Transmission Mounting - Repair) Section 124 (Propeller Shaft - Repair - E46) Section 125 (Body Equipment - Repair) Section 126 (Seats - Repair) Section 127 (Slide/Tilt Roof - Repair) Section 128 (General Electrical System - Repair) Section 129 (Lights - Repair) Section 130 (Heating And Air Conditioning - Repair) Section 131 (Electrical Drives - Repair) Section 132 (Communication Systems - Repair) Section 133 (Propeller Shaft - Technical Data) Section 134 (Wheel And Tires - Technical Data) Section 135 (Engine - Technical Data) Section 136 (Wheel And Tires - Technical Data) Section 137 (Body Equipment - Technical Data) Section 138 (Lights - Technical Data) Section 139 (Lights - Service Information) Section 140 (Engine - Special Tools) Section 141 (Fuel System - Special Tools - M54, S54) Section 142 (Cooling System - Special Tools) Section 143 (Propeller Shaft - Special Tools - E46) Section 144 (Wheel And Tires - Special Tools) Section 145 (Body Equipment - Special Tools) Section 146 (Seats - Special Tools) Section 147 (Slide/Tilt Roof And Convertible Top - Special Tools) Section 148 (General Electrical System - Special Tools) Section 149 (Lights - Special Tools) Section 150 (Heating And Air Conditioning - Special Tools) Section 151 (Instruments - Repair) Section 152 (Body Equipment - Tightening Torques) Section 153 (Maintenance And General Information - Repair) Section 154 (Engine - Repair (S54)) Section 155 (Engine
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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