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 (Engine Controls - Service & Adjustment Specifications) Section 22 (Engine Controls - On-Vehicle Adjustments) Section 23 (Engine Controls - Basic Diagnostic Procedures) Section 24 (Engine Controls - Trouble Shooting - No Codes) Section 25 (Engine Controls - System & Component Testing) Section 26 (Engine Performance Wiring Diagrams) Section 27 (Brakes - Repair) Section 28 (Electrical Component Locator) Section 29 (Electrical Component Locator) Section 30 (Electrical Component Locator - E36) Section 31 (Electrical Component Locator) Section 32 (Electrical Component Locator) Section 33 (Steering Column - E36) Section 34 (Air Bag Restraint Systems) Section 35 (Air Bag Restraint Systems) Section 36 (Electrical Component Locator) Section 37 (Electrical Component Locator) Section 38 (Electrical Component Locator) Section 39 (Electrical Component Locator) Section 40 (Electrical Component Locator) Section 41 (A/C-Heater System) Section 42 (Electrical Component Locator) Section 43 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 44 (Suspension - Front) Section 45 (Disc - Z8) Section 46 (Front Axle - Repair - E46) Section 47 (Engine Controls - Basic Diagnostic Procedures) Section 48 (Diagnostic Trouble Codes With Test Charts) Section 49 (Engine Controls - Trouble Shooting - No Codes) Section 50 (Air Bag Restraint Systems) Section 51 (Air Bag Restraint Systems) Section 52 (Suspension - Front - Repair) Section 53 (Air Bag Restraint Systems) Section 54 (Rear Suspension - Repair - E46) Section 55 (Steering Column - Repair) Section 56 (Steering Column) Section 57 (Power Rack & Pinion - Repair) Section 58 (Power Steering System - Repair) Section 59 (Air Bag Deactivation Procedures) Section 60 (Cabin Air Filter) Section 61 (Cabin Air Filter - E46) Section 62 (Electrical Component Locator) Section 63 (Electrical Component Locator) Section 64 (Diagnostic Trouble Codes With Test Charts) Section 65 (Diagnostic Trouble Codes With Test Charts) Section 66 (Diagnostic Trouble Codes With Test Charts (6-Cylinder)) Section 67 (Diagnostic Trouble Codes With Test Charts (V8 & V12)) Section 68 (Computer Relearn Procedures) Section 69 (Diagnostic Trouble Codes With Test Charts) Section 70 (Air Bag Restraint Systems) Section 71 (Air Bag Restraint Systems) Section 72 (Power Convertible Top - Z8) Section 73 (Specifications & Procedures) Section 74 (Brakes - Repair (E46)) Section 75 (Starter - Repair (2WD)) Section 76 (Starter - Repair) Section 77 (Cooling Fans - Repair (E46)) Section 78 (Starter) Section 79 (Servicing - A/T) Section 80 (Removal & Installation - (A5S 440Z)) Section 81 (Removal & Installation - (A5S 325Z)) Section 82 (Transmission - Overview) Section 83 (Removal & Installation (A5S 325Z)) Section 84 (Removal & Installation - (S5D 310Z/S5D 320Z)) Section 85 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 86 (Air Bag Restraint Systems) Section 87 (Removal & Installation (S6S 420G)) Section 88 (Removal & Installation - M3 (S6S 420G SMG)) Section 89 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 90 (On-Vehicle Servicing - (A5S 360R/390R)) Section 91 (Removal & Installation (A5S 3690R/390R)) Section 92 (On-Vehicle Servicing - (S5D 200G/250G)) Section 93 (On-Vehicle Servicing - (S5D 200G/250G & GS6S37BZ SMG)) Section 94 (On-Vehicle Servicing - (S5DZ & GS6X37BZ)) Section 95 (Gear Shift Mechanism - Repair) Section 96 (Gear Shift Mechanisms) Section 97 (Electrical Component Locator) Section 98 (Electrical Component Locator) Section 99 (Electrical Component Locator) Section 100 (Maintenance And General Information - Repair Instructions) Section 101 (Engine - Repair Instructions) Section 102 (Engine Electrical System - Repair Instructions) Section 103 (Fuel System - Repair Instructions) Section 104 (Fuel Supply System - Repair Instructions) Section 105 (Cooling System - Repair Instructions) Section 106 (Body Equipment - Repair Instructions) Section 107 (Seats - Repair Instructions) Section 108 (General Electrical System - Repair Instructions) Section 109 (Instruments - Repair Instructions) Section 110 (Lights - Repair Instructions) Section 111 (Heating And Air Conditioning - Repair) Section 112 (Audio, Navigation And Anti-Theft - Repair Instructions) Section 113 (Communication Systems - Repair Instructions) Section 114 (Engine - Technical Data) Section 115 (Fuel System - Technical Data) Section 116 (Fuel Supply System - Technical Data) Section 117 (Cooling System - Technical Data) Section 118 (Lights - Technical Data) Section 119 (Heating And Air Conditioning - 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 (Fuel Supply System - Tightening Torques) Section 125 (Body Equipment - Tightening Torques) Section 126 (Seats - Tightening Torques) Section 127 (General Electrical System - Tightening Torques) Section 128 (Heating And Air Conditioning - Tightening Torques) Section 129 (Maintenance And General Information - Repair Instructions) Section 130 (Engine - Repair (S54)) Section 131 (Engine Electrical System - Repair Instructions) Section 132 (Fuel System - Repair Instructions) Section 133 (Cooling System - Repair Instructions) Section 134 (Exhaust System - Repair Instructions) Section 135 (Clutch - Repair Instructions) Section 136 (Manual Transmission - Repair Instructions) Section 137 (Propeller Shaft - Repair Instructions) Section 138 (Wheel And Tires - Repair Instructions) Section 139 (Body Equipment - Repair Instructions) Section 140 (General Electrical System - Repair Instructions) Section 141 (Instruments - Repair Instructions) Section 142 (Engine - Technical Data) Section 143 (Engine Electrical System - Technical Data) Section 144 (Fuel System - Technical Data) Section 145 (Manual Transmission - Technical Data) Section 146 (Propeller Shaft - Technical Data) Section 147 (Wheel And Tires - Technical Data) Section 148 (Maintenance And General Information - Tightening Torques) Section 149 (Engine - Tightening Torques) Section 150 (Engine Electrical System - Tightening Torques) Section 151 (Fuel System - Tightening Torques) Section 152 (Cooling System - Tightening Torques) Section 153 (Clutch - Tightening Torques) Section 154 (Manual Transmission - Tightening Torques) Section 155 (Propeller Shaft - Tightening Torques) Section 156 (Wheel And Tires - 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:
- • 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.