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 (Computer Relearn Procedures) Section 2 (Abs/Traction Control - Repair (E46)) Section 3 (Differentials & Axle Shafts) Section 4 (Servicing - M/T) Section 5 (Wiper/Washer System) Section 6 (Air Bag Restraint System) Section 7 (Air Bag Restraint Systems) Section 8 (Electrical Component Locator) Section 9 (System Wiring Diagrams) Section 10 (System Wiring Diagrams) Section 11 (System Wiring Diagrams) Section 12 (System Wiring Diagrams) Section 13 (System Wiring Diagrams) Section 14 (System Wiring Diagrams) Section 15 (System Wiring Diagrams) Section 16 (System Wiring Diagrams) Section 17 (System Wiring Diagrams) Section 18 (System Wiring Diagrams - 2D Convertible) Section 19 (System Wiring Diagrams (4 Door )) Section 20 (System Wiring Diagrams) Section 21 (System Wiring Diagrams) Section 22 (System Wiring Diagrams) Section 23 (System Wiring Diagrams) Section 24 (System Wiring Diagrams) Section 25 (System Wiring Diagrams) Section 26 (System Wiring Diagrams) Section 27 (System Wiring Diagrams) Section 28 (System Wiring Diagrams Sedan) Section 29 (System Wiring Diagrams - 2D Convertible) Section 30 (System Wiring Diagrams) Section 31 (System Wiring Diagrams) Section 32 (System Wiring Diagrams - 2D Convertible) Section 33 (System Wiring Diagrams) Section 34 (System Wiring Diagrams) Section 35 (System Wiring Diagrams Convertible) Section 36 (System Wiring Diagrams - 2D Convertible) Section 37 (System Wiring Diagrams) Section 38 (System Wiring Diagrams) Section 39 (System Wiring Diagrams) Section 40 (System Wiring Diagrams) Section 41 (System Wiring Diagrams - 2D Convertible) Section 42 (System Wiring Diagrams - 2D Convertible) Section 43 (System Wiring Diagrams) Section 44 (System Wiring Diagrams - 2D Convertible) Section 45 (System Wiring Diagrams - 2D Convertible) Section 46 (System Wiring Diagrams) Section 47 (System Wiring Diagrams) Section 48 (System Wiring Diagrams) Section 49 (System Wiring Diagrams) Section 50 (System Wiring Diagrams) Section 51 (System Wiring Diagrams) Section 52 (System Wiring Diagrams) Section 53 (System Wiring Diagrams - 2D Convertible) Section 54 (System Wiring Diagrams) Section 55 (System Wiring Diagrams) Section 56 (System Wiring Diagrams) Section 57 (System Wiring Diagrams - 2D Convertible) Section 58 (System Wiring Diagrams) Section 59 (System Wiring Diagrams) Section 60 (System Wiring Diagrams) Section 61 (System Wiring Diagrams) Section 62 (Computer Relearn Procedures) Section 63 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 64 (Drive Shafts & Universal Joints) Section 65 (Front Axle - Repair - E46) Section 66 (System Wiring Diagrams) Section 67 (Computer Relearn Procedures - Import) Section 68 (Air Bag Restraint Systems) Section 69 (Rear Suspension - Repair - E46) Section 70 (Engine Controls - Service & Adjustment Specifications) Section 71 (Engine Controls - On-Vehicle Adjustments) Section 72 (Engine Controls - Basic Diagnostic Procedures) Section 73 (Diagnostic Trouble Codes With Test Charts) Section 74 (Engine Controls - Trouble Shooting - No Codes) Section 75 (Engine Controls - System & Component Testing) Section 76 (Engine Controls - Pin Voltage Charts) Section 77 (Steering Column - Repair) Section 78 (Power Steering System - Repair) Section 79 (Air Bag Deactivation Procedures) Section 80 (Cabin Air Filter - E46) Section 81 (Diagnostic Trouble Codes With Test Charts) Section 82 (Diagnostic Trouble Codes With Test Charts) Section 83 (Diagnostic Trouble Codes With Test Charts (V8 & V12)) Section 84 (Computer Relearn Procedures) Section 85 (Diagnostic Trouble Codes With Test Charts) Section 86 (Air Bag Restraint Systems) Section 87 (Brakes - Repair (E46)) Section 88 (Starter - Repair (2WD)) Section 89 (Starter - Repair) Section 90 (Cooling Fans - Repair (E46)) Section 91 (Servicing - A/T) Section 92 (Removal & Installation (A5S 360R/390R)) Section 93 (Transmission - Overview) Section 94 (Removal & Installation (A5S 325Z)) Section 95 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 96 (Air Bag Restraint Systems) Section 97 (Removal & Installation - M3 (S6S 420G SMG)) Section 98 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 99 (Removal & Installation) Section 100 (On-Vehicle Servicing - (A5S 360R/390R)) Section 101 (Removal & Installation (A5S 3690R/390R)) Section 102 (On-Vehicle Servicing - (S5D 200G/250G & GS6S37BZ SMG)) Section 103 (On-Vehicle Servicing - (S5DZ & GS6X37BZ)) Section 104 (Gear Shift Mechanism - Repair) Section 105 (Maintenance And General Information - Repair Instructions) Section 106 (Engine - Repair (M54)) Section 107 (Engine Electrical System - Repair Instructions) Section 108 (Fuel System - Repair Instructions - Z3) Section 109 (Cooling System - Repair Instructions) Section 110 (Wheel And Tires - Repair Instructions) Section 111 (Body Equipment - Repair Instructions) Section 112 (Seats - Repair Instructions) Section 113 (General Electrical System - Repair Instructions) Section 114 (Instruments - Repair Instructions) Section 115 (Lights - Repair Instructions) Section 116 (Audio, Navigation, Anti-Theft And Restraints - Repair Instructions) Section 117 (Engine - Technical Data) Section 118 (Engine Electrical System - Technical Data) Section 119 (Cooling System - Technical Data) Section 120 (Wheel And Tires - Technical Data) Section 121 (Lights - Technical Data) Section 122 (Maintenance And General Information - Special Tools) Section 123 (MAINTENANCE AND GENERAL INFORMATION - TIGHTENING TORQUES - Z3 Roadster (3.0L) E36) Section 124 (Engine - Tightening Torques) Section 125 (Engine Electrical System - Tightening Torques - Z3 Roadster (3.0L/E36)) Section 126 (Fuel Supply System - Tightening Torques - Z3 Roadster & Coupe (3.0L)) Section 127 (Cooling System - Tightening Torques - Z3 Roadster (3.0L/E36)) Section 128 (Wheel And Tires - Tightening Torques - Z3) Section 129 (Body Equipment - Tightening Torques - Z3) Section 130 (Seats - Tightening Torques) Section 131 (General Electrical System - Tightening Torques) Section 132 (Audio, Navigation, Anti-Theft And Restraints - Tightening Torques) Section 133 (MAINTENANCE - REPAIR INSTRUCTIONS - 330i, 330Ci, 330xi (M54/E46)) Section 134 (Engine - Repair (6-CYL)) Section 135 (Engine Electrical System - Repair) Section 136 (Fuel System - Repair Instructions) Section 137 (Fuel Supply System - Repair) Section 138 (Cooling System - Repair Instructions) Section 139 (Exhaust System - Repair) Section 140 (Engine And Transmission Mounting - Repair) Section 141 (Propeller Shaft - Repair - E46) Section 142 (Body Equipment - Repair) Section 143 (Seats - Repair) Section 144 (Slide/Tilt Roof - Repair) Section 145 (General Electrical System - Repair) Section 146 (Lights - Repair) Section 147 (Heating And Air Conditioning - Repair) Section 148 (Electrical Drives - Repair) Section 149 (Communication Systems - Repair) Section 150 (Propeller Shaft - Technical Data) Section 151 (Wheel And Tires - Technical Data) Section 152 (Engine - Technical Data) Section 153 (Wheel And Tires - Technical Data) Section 154 (Body Equipment - Technical Data) Section 155 (Lights - Technical Data) Section 156 (Lights - Service Information) Section 157 (Engine - Special Tools) Section 158 (Fuel System - Special Tools - M54, S54) Section 159 (Cooling System - Special Tools) Section 160 (Propeller Shaft - Special Tools - E46) Section 161 (Wheel And Tires - Special Tools) Section 162 (Body Equipment - Special Tools) Section 163 (Seats - Special Tools) Section 164 (Slide/Tilt
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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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