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