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 (Engine Controls - Service & Adjustment Specifications) Section 2 (Engine Controls - On-Vehicle Adjustments) Section 3 (Engine Controls - Basic Diagnostic Procedures - Except V12) Section 4 (Diagnostic Trouble Codes With Test Charts) Section 5 (Engine Controls - Trouble Shooting - No Codes) Section 6 (Engine Controls - System & Component Testing) Section 7 (Engine Controls - Removal, Overhaul & Installation - 1 Of 2) Section 8 (Engine Performance Wiring Diagrams) Section 9 (Abs/Traction Control - Repair (E46)) Section 10 (Specifications & Procedures) Section 11 (Differentials & Axle Shafts) Section 12 (Clutches - 5 Series (E39)) Section 13 (Servicing - M/T) Section 14 (Engine Controls - Specifications) Section 15 (Engine Controls - Adjustments - Except V12) Section 16 (Engine Performance Wiring Diagrams) Section 17 (Diagnostic Trouble Codes With Test Charts) Section 18 (Engine Controls - Basic Testing) Section 19 (Engine Controls - Tests W/O Codes) Section 20 (Engine Controls - System/Component Tests) Section 21 (Engine Controls - Remove/Install/Overhaul) Section 22 (Engine Controls - Service & Adjustment Specifications) Section 23 (Engine Controls - On-Vehicle Adjustments) Section 24 (Engine Controls - Basic Diagnostic Procedures) Section 25 (Engine Controls - Trouble Shooting - No Codes) Section 26 (Engine Controls - System & Component Testing) Section 27 (Engine Controls - Pin Voltage Charts) Section 28 (Engine Performance Wiring Diagrams) Section 29 (Brakes - Repair) Section 30 (Electrical Component Locator) Section 31 (Electrical Component Locator) Section 32 (Electrical Component Locator - E36) Section 33 (Electrical Component Locator) Section 34 (Electrical Component Locator) Section 35 (Specifications & Drive Belt Routing) Section 36 (Steering Column - E36) Section 37 (Air Bag Restraint Systems) Section 38 (Electrical Component Locator) Section 39 (Electrical Component Locator) Section 40 (Electrical Component Locator) Section 41 (Electrical Component Locator) Section 42 (Electrical Component Locator) Section 43 (A/C-Heater System) Section 44 (Anti-Lock/Traction Control) Section 45 (Electrical Component Locator) Section 46 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 47 (Drive Shafts & Universal Joints) Section 48 (Front Suspension - Repair - E36) Section 49 (Rear Suspension) Section 50 (Axle Shafts - 5 Series) Section 51 (Suspension - Front) Section 52 (Disc - Z8) Section 53 (Front Axle - Repair - E46) Section 54 (Engine Controls - Basic Diagnostic Procedures) Section 55 (Diagnostic Trouble Codes With Test Charts) Section 56 (Engine Controls - Trouble Shooting - No Codes) Section 57 (Brakes - Repair) Section 58 (Axle Shafts - X5) Section 59 (Anti-Lock Brakes/Traction Control System - X5) Section 60 (Front Differentials) Section 61 (Air Bag Restraint Systems) Section 62 (Air Bag Restraint Systems) Section 63 (Air Bag Restraint Systems) Section 64 (Suspension - Front - Repair) Section 65 (Suspension - Front) Section 66 (Air Bag Restraint Systems) Section 67 (Air Bag Restraint Systems) Section 68 (Air Bag Restraint Systems) Section 69 (Electronic Suspension) Section 70 (Air Bag - Trouble Codes) Section 71 (Rear Suspension - Repair - E46) Section 72 (Diagnostic Trouble Codes With Test Charts) Section 73 (Steering Column - Repair) Section 74 (Steering Column - Repair) Section 75 (Steering Column) Section 76 (Steering Column) Section 77 (Power Rack & Pinion - E36) Section 78 (Power Rack & Pinion - Repair) Section 79 (Power Rack & Pinion) Section 80 (Power Steering System - Repair) Section 81 (Steering - Repair) Section 82 (Cabin Air Filter) Section 83 (Cabin Air Filter) Section 84 (Cabin Air Filter) Section 85 (Cabin Air Filter - E46) Section 86 (Electrical Component Locator) Section 87 (Electrical Component Locator) Section 88 (Diagnostic Trouble Codes With Test Charts) Section 89 (Diagnostic Trouble Codes With Test Charts (6-Cylinder)) Section 90 (Diagnostic Trouble Codes With Test Charts (V8 & V12)) Section 91 (Diagnostic Trouble Codes With Test Charts) Section 92 (Air Bag Restraint Systems) Section 93 (Air Bag Restraint Systems) Section 94 (Air Bag Restraint Systems) Section 95 (Air Bag Restraint Systems) Section 96 (Air Bag Deactivation Procedures) Section 97 (Power Convertible Top - Z8) Section 98 (Specifications & Procedures) Section 99 (Specifications & Procedures) Section 100 (Specifications & Procedures) Section 101 (Axle Shafts (Front & Rear) - Repair) Section 102 (AXLE SHAFTS - 645Ci) Section 103 (Axle Shafts - Repair) Section 104 (Axle Shafts - Repair) Section 105 (Generators & Regulators) Section 106 (ELECTRIC COOLING FANS - 525i, 530i & 545i) Section 107 (Cooling Fans) Section 108 (Generators & Regulators) Section 109 (Generators & Regulators) Section 110 (Brakes - Repair) Section 111 (Brakes - Repair (E46)) Section 112 (DISC - 525i, 530i & 545i) Section 113 (Brakes - Repair) Section 114 (Starter - Repair (2WD)) Section 115 (Cooling Fans) Section 116 (Starter - Repair) Section 117 (Starters) Section 118 (Cooling Fans - Repair (E46)) Section 119 (Starter) Section 120 (Fuses & Circuit Breakers - E60) Section 121 (Fuses & Circuit Breakers - E63/E64) Section 122 (Suspension - Rear) Section 123 (Suspension - Front) Section 124 (Suspension - Rear) Section 125 (Specifications & Procedures) Section 126 (Specifications & Drive Belt Routing) Section 127 (Specifications & Drive Belt Routing) Section 128 (Suspension - Front) Section 129 (Suspension - Rear) Section 130 (Cabin Air Filter) Section 131 (Cabin Air Filter) Section 132 (Cabin Air Filter) Section 133 (Servicing - A/T) Section 134 (Suspension - Front) Section 135 (Manual Transmission - Servicing) Section 136 (Removal & Installation (A5S 360R/390R)) Section 137 (Removal & Installation - (A5S 440Z)) Section 138 (Removal & Installation - (A5S 325Z)) Section 139 (Transmission - Overview) Section 140 (Removal & Installation (A5S 325Z)) Section 141 (Automatic Transmission - Removal & Installation - X5 (A5S 440Z)) Section 142 (Automatic Transmission - Removal & Installation - A5S360R) Section 143 (Automatic Transmission - Removal & Installation - X5 (6HP26Z)) Section 144 (REMOVAL & INSTALLATION - 545i & 645i (6HP26Z/N62)) Section 145 (Manual Transmission - Removal & Installation (A5S 360R/390R)) Section 146 (Removal & Installation - (S5D 310Z/S5D 320Z)) Section 147 (Propeller Shaft - Repair) Section 148 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 149 (Air Bag Restraint Systems) Section 150 (Air Bag Restraint Systems) Section 151 (Air Bag Restraint Systems) Section 152 (Air Bag Restraint Systems) Section 153 (Air Bag Restraint Systems) Section 154 (Removal & Installation (S6S 420G)) Section 155 (Manual Transmission - Torque Specifications, Removal, & Installation (GS6-37BZ)) Section 156 (REMOVAL & INSTALLATION - 545I & 645Ci (GS6-53BZ)) Section 157 (REMOVAL & INSTALLATION - 545i & 645Ci (GS6S53BZ SMG)) Section 158 (Removal & Installation (GS6S37BZ SMG)) Section 159 (Removal & Installation - X5 (S5D 280Z)) Section 160 (Removal & Installation - M3 (S6S 420G SMG)) Section 161 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 162 (Removal & Installation) Section 163 (On-Vehicle Servicing - (A5S 360R/390R)) Section 164 (Removal & Installation (A5S 3690R/390R)) Section 165 (ON-VEHICLE SERVICING - 525i & 530i (GA6HP19Z)) Section 166 (On-Vehicle Servicing - (S5D 200G/250G)) Section 167 (On-Vehicle Servicing - (S5D 260Z/310Z & S5D 320Z)) Section 168 (On-Vehicle Servicing - (
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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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