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 (Engine Controls - Service & Adjustment Specifications) Section 3 (Engine Controls - On-Vehicle Adjustments) Section 4 (Engine Controls - Basic Diagnostic Procedures - Except V12) Section 5 (Diagnostic Trouble Codes With Test Charts) Section 6 (Engine Controls - Trouble Shooting - No Codes) Section 7 (Engine Controls - System & Component Testing) Section 8 (Engine Controls - Removal, Overhaul & Installation - 1 Of 2) Section 9 (Engine Performance Wiring Diagrams) Section 10 (Abs/Traction Control - Repair (E46)) Section 11 (Differentials & Axle Shafts) Section 12 (Servicing - M/T) Section 13 (Engine Controls - Specifications) Section 14 (Engine Controls - Adjustments - Except V12) Section 15 (Engine Performance Wiring Diagrams) Section 16 (Diagnostic Trouble Codes With Test Charts) Section 17 (Engine Controls - Basic Testing) Section 18 (Engine Controls - Tests W/O Codes) Section 19 (Engine Controls - System/Component Tests) Section 20 (Engine Controls - Remove/Install/Overhaul) Section 21 (Wiper/Washer System) Section 22 (Electrical Component Locator) Section 23 (Electrical Component Locator) Section 24 (Electrical Component Locator - E36) Section 25 (Electrical Component Locator) Section 26 (Electrical Component Locator) Section 27 (Air Bag Restraint System) Section 28 (Steering Column - E36) Section 29 (Air Bag Restraint Systems) Section 30 (Air Bag Restraint Systems) Section 31 (Electrical Component Locator) Section 32 (Electrical Component Locator) Section 33 (Electrical Component Locator) Section 34 (Electrical Component Locator) Section 35 (Electrical Component Locator) Section 36 (A/C-Heater System) Section 37 (Electrical Component Locator) Section 38 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 39 (Suspension - Front) Section 40 (Disc - Z8) Section 41 (Front Axle - Repair - E46) Section 42 (Engine Controls - Basic Diagnostic Procedures) Section 43 (Diagnostic Trouble Codes With Test Charts) Section 44 (Engine Controls - Trouble Shooting - No Codes) Section 45 (Air Bag Restraint Systems) Section 46 (Suspension - Front - Repair) Section 47 (Air Bag Restraint Systems) Section 48 (Air Bag Restraint Systems) Section 49 (Rear Suspension - Repair - E46) Section 50 (Engine Controls - Service & Adjustment Specifications) Section 51 (Engine Controls - On-Vehicle Adjustments) Section 52 (Engine Controls - Basic Diagnostic Procedures) Section 53 (Diagnostic Trouble Codes With Test Charts) Section 54 (Engine Controls - Trouble Shooting - No Codes) Section 55 (Engine Controls - System & Component Testing) Section 56 (Engine Controls - Pin Voltage Charts) Section 57 (Steering Column - Repair) Section 58 (Steering Column) Section 59 (Power Rack & Pinion - Repair) Section 60 (Power Steering System - Repair) Section 61 (Air Bag Deactivation Procedures) Section 62 (Cabin Air Filter) Section 63 (Cabin Air Filter - E46) Section 64 (Electrical Component Locator) Section 65 (Electrical Component Locator) Section 66 (Diagnostic Trouble Codes With Test Charts) Section 67 (Diagnostic Trouble Codes With Test Charts) Section 68 (Diagnostic Trouble Codes With Test Charts (6-Cylinder)) Section 69 (Computer Relearn Procedures) Section 70 (Diagnostic Trouble Codes With Test Charts) Section 71 (Air Bag Restraint Systems) Section 72 (Air Bag Restraint Systems) Section 73 (Power Convertible Top - Z8) Section 74 (Specifications & Procedures) Section 75 (Brakes - Repair) Section 76 (Brakes - Repair (E46)) Section 77 (Starter - Repair (2WD)) Section 78 (Starter - Repair) Section 79 (Cooling Fans - Repair (E46)) Section 80 (Starter) Section 81 (Servicing - A/T) Section 82 (Removal & Installation - (A5S 440Z)) Section 83 (Removal & Installation - (A5S 325Z)) Section 84 (Transmission - Overview) Section 85 (Removal & Installation (A5S 325Z)) Section 86 (Removal & Installation - (S5D 310Z/S5D 320Z)) Section 87 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 88 (Air Bag Restraint Systems) Section 89 (Removal & Installation (S6S 420G)) Section 90 (Removal & Installation - M3 (S6S 420G SMG)) Section 91 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 92 (On-Vehicle Servicing - (A5S 360R/390R)) Section 93 (Removal & Installation (A5S 3690R/390R)) Section 94 (On-Vehicle Servicing - (S5D 200G/250G)) Section 95 (On-Vehicle Servicing - (S5D 200G/250G & GS6S37BZ SMG)) Section 96 (On-Vehicle Servicing - (S5DZ & GS6X37BZ)) Section 97 (Gear Shift Mechanism - Repair) Section 98 (Gear Shift Mechanisms) Section 99 (Electrical Component Locator) Section 100 (Electrical Component Locator) Section 101 (Electrical Component Locator) Section 102 (Maintenance And General Information - Repair Instructions) Section 103 (Engine - Repair Instructions) Section 104 (Engine Electrical System - Repair Instructions) Section 105 (Fuel System - Repair Instructions) Section 106 (Fuel Supply System - Repair Instructions) Section 107 (Cooling System - Repair Instructions) Section 108 (Body Equipment - Repair Instructions) Section 109 (Seats - Repair Instructions) Section 110 (General Electrical System - Repair Instructions) Section 111 (Instruments - Repair Instructions) Section 112 (Lights - Repair Instructions) Section 113 (Heating And Air Conditioning - Repair) Section 114 (Audio, Navigation And Anti-Theft - Repair Instructions) Section 115 (Communication Systems - Repair Instructions) Section 116 (Engine - Technical Data) Section 117 (Fuel System - Technical Data) Section 118 (Fuel Supply System - Technical Data) Section 119 (Cooling System - Technical Data) Section 120 (Lights - Technical Data) Section 121 (Heating And Air Conditioning - Technical Data) Section 122 (Maintenance And General Information - Tightening Torques) Section 123 (Engine - Tightening Torques) Section 124 (Engine Electrical System - Tightening Torques) Section 125 (Fuel System - Tightening Torques) Section 126 (Fuel Supply System - Tightening Torques) Section 127 (Body Equipment - Tightening Torques) Section 128 (Seats - Tightening Torques) Section 129 (General Electrical System - Tightening Torques) Section 130 (Heating And Air Conditioning - Tightening Torques) Section 131 (Maintenance And General Information - Repair Instructions) Section 132 (Engine - Repair (S54)) Section 133 (Engine Electrical System - Repair Instructions) Section 134 (Fuel System - Repair Instructions) Section 135 (Cooling System - Repair Instructions) Section 136 (Exhaust System - Repair Instructions) Section 137 (Clutch - Repair Instructions) Section 138 (Manual Transmission - Repair Instructions) Section 139 (Propeller Shaft - Repair Instructions) Section 140 (Wheel And Tires - Repair Instructions) Section 141 (Body Equipment - Repair Instructions) Section 142 (General Electrical System - Repair Instructions) Section 143 (Instruments - Repair Instructions) Section 144 (Engine - Technical Data) Section 145 (Engine Electrical System - Technical Data) Section 146 (Fuel System - Technical Data) Section 147 (Manual Transmission - Technical Data) Section 148 (Propeller Shaft - Technical Data) Section 149 (Wheel And Tires - Technical Data) Section 150 (Maintenance And General Information - Tightening Torques) Section 151 (Engine - Tightening Torques) Section 152 (Engine Electrical System - Tightening Torques) Section 153 (Fuel System - Tightening Torques) Section 154 (Cooling System - Tightening Torques) Section 155 (Clutch - Tightening Torques) Section 156 (Manual Transmission - Tightening Torques) Section 157 (Propeller Shaft - Tight
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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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