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