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 (Clutches - 5 Series (E39)) 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 Performance Wiring Diagrams) Section 22 (Brakes - Repair) Section 23 (Electrical Component Locator) Section 24 (Electrical Component Locator) Section 25 (Electrical Component Locator - E36) Section 26 (Electrical Component Locator) Section 27 (Electrical Component Locator) Section 28 (Specifications & Drive Belt Routing) Section 29 (Steering Column - E36) Section 30 (Air Bag Restraint Systems) Section 31 (Air Bag Restraint Systems) Section 32 (Electrical Component Locator) Section 33 (Electrical Component Locator) Section 34 (Electrical Component Locator) Section 35 (Electrical Component Locator) Section 36 (Electrical Component Locator) Section 37 (A/C-Heater System) Section 38 (Anti-Lock/Traction Control) Section 39 (Electrical Component Locator) Section 40 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 41 (Axle Shafts - 5 Series) Section 42 (Suspension - Front) Section 43 (Disc - Z8) Section 44 (Front Axle - Repair - E46) Section 45 (Engine Controls - Basic Diagnostic Procedures) Section 46 (Diagnostic Trouble Codes With Test Charts) Section 47 (Engine Controls - Trouble Shooting - No Codes) Section 48 (Air Bag Restraint Systems) Section 49 (Air Bag Restraint Systems) Section 50 (Air Bag Restraint Systems) Section 51 (Suspension - Front - Repair) Section 52 (Suspension Front - Repair) Section 53 (Air Bag Restraint Systems) Section 54 (Air Bag Restraint Systems) Section 55 (Air Bag Restraint Systems) Section 56 (Rear Suspension - Repair - E46) Section 57 (Engine Controls - Service & Adjustment Specifications) Section 58 (Engine Controls - On-Vehicle Adjustments) Section 59 (Engine Controls - Basic Diagnostic Procedures) Section 60 (Diagnostic Trouble Codes With Test Charts) Section 61 (Engine Controls - Trouble Shooting - No Codes) Section 62 (Engine Controls - System & Component Testing) Section 63 (Engine Controls - Pin Voltage Charts) Section 64 (Steering Column - Repair) Section 65 (Steering Column - Repair) Section 66 (Steering Column) Section 67 (Power Rack & Pinion - Repair) Section 68 (Power Rack & Pinion) Section 69 (Power Steering System - Repair) Section 70 (Air Bag Deactivation Procedures) Section 71 (Cabin Air Filter) Section 72 (Cabin Air Filter) Section 73 (Cabin Air Filter) Section 74 (Cabin Air Filter - E46) Section 75 (Electrical Component Locator) Section 76 (Electrical Component Locator) Section 77 (Diagnostic Trouble Codes With Test Charts) Section 78 (Diagnostic Trouble Codes With Test Charts) Section 79 (Diagnostic Trouble Codes With Test Charts (6-Cylinder)) Section 80 (Diagnostic Trouble Codes With Test Charts (V8 & V12)) Section 81 (Computer Relearn Procedures) Section 82 (Air Bag Restraint Systems) Section 83 (Air Bag Restraint Systems) Section 84 (Air Bag Restraint Systems) Section 85 (Air Bag Deactivation Procedures) Section 86 (Power Convertible Top - Z8) Section 87 (Specifications & Procedures) Section 88 (Axle Shafts (Front & Rear) - Repair) Section 89 (Cooling Fans) Section 90 (Generators & Regulators) Section 91 (Brakes - Repair) Section 92 (Brakes - Repair (E46)) Section 93 (Starter - Repair (2WD)) Section 94 (Starter - Repair) Section 95 (Starters) Section 96 (Cooling Fans - Repair (E46)) Section 97 (Starter) Section 98 (Specifications & Drive Belt Routing) Section 99 (Cabin Air Filter) Section 100 (Cabin Air Filter) Section 101 (Servicing - A/T) Section 102 (Manual Transmission - Servicing) Section 103 (Removal & Installation - (A5S 440Z)) Section 104 (Removal & Installation - (A5S 325Z)) Section 105 (Transmission - Overview) Section 106 (Removal & Installation (A5S 325Z)) Section 107 (Automatic Transmission - Removal & Installation - A5S360R) Section 108 (Automatic Transmission - Removal & Installation - X5 (6HP26Z)) Section 109 (Manual Transmission - Removal & Installation (A5S 360R/390R)) Section 110 (Removal & Installation - (S5D 310Z/S5D 320Z)) Section 111 (Propeller Shaft - Repair) Section 112 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 113 (Air Bag Restraint Systems) Section 114 (Air Bag Restraint Systems) Section 115 (Removal & Installation (S6S 420G)) Section 116 (Manual Transmission - Torque Specifications, Removal, & Installation (GS6-37BZ)) Section 117 (Removal & Installation - X5 (S5D 280Z)) Section 118 (Removal & Installation - M3 (S6S 420G SMG)) Section 119 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 120 (On-Vehicle Servicing - (A5S 360R/390R)) Section 121 (Removal & Installation (A5S 3690R/390R)) Section 122 (On-Vehicle Servicing - GA6HP26Z) Section 123 (On-Vehicle Servicing - (S5D 200G/250G)) Section 124 (On-Vehicle Servicing - (S5D 260Z/310Z & S5D 320Z)) Section 125 (On-Vehicle Servicing - (GS6-37BZ)) Section 126 (On-Vehicle Servicing - (S5D 200G/250G & GS6S37BZ SMG)) Section 127 (On-Vehicle Servicing - (S5DZ & GS6X37BZ)) Section 128 (Transfer Case Removal & Installation - X3) Section 129 (Transfer Case - Overview (X-Drive)) Section 130 (Gear Shift Mechanism - Repair) Section 131 (Gear Shift Mechanisms) Section 132 (Electrical Component Locator) Section 133 (Electrical Component Locator) Section 134 (Electrical Component Locator) Section 135 (Electrical Component Locator) Section 136 (Maintenance And General Information - Repair Instructions) Section 137 (Engine - Repair Instructions) Section 138 (Engine Electrical System - Repair Instructions) Section 139 (Fuel System - Repair Instructions) Section 140 (Fuel Supply System - Repair Instructions) Section 141 (Cooling System - Repair Instructions) Section 142 (Body Equipment - Repair Instructions) Section 143 (Seats - Repair Instructions) Section 144 (General Electrical System - Repair Instructions) Section 145 (Instruments - Repair Instructions) Section 146 (Lights - Repair Instructions) Section 147 (Heating And Air Conditioning - Repair) Section 148 (Audio, Navigation And Anti-Theft - Repair Instructions) Section 149 (Communication Systems - Repair Instructions) Section 150 (Engine - Technical Data) Section 151 (Fuel System - Technical Data) Section 152 (Fuel Supply System - Technical Data) Section 153 (Cooling System - Technical Data) Section 154 (Lights - Technical Data) Section 155 (Heating And Air Conditioning - Technical Data) Section 156 (Maintenance And General Information - Tightening Torques) Section 157 (Engine - Tightening Torques) Section 158 (Engine Electrical System - Tightening Torques) Section 159 (Fuel System - Tightening Torques) Section 160 (Fuel Supply System - Tightening Torques) Section 1
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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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