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 (Differentials & Axle Shafts) Section 11 (Clutches - 5 Series (E39)) Section 12 (Removal & Installation - A/T (Except A4S 270R/310R)) Section 13 (Servicing - M/T) Section 14 (Engine Performance Wiring Diagrams) Section 15 (Engine Controls - Service & Adjustment Specifications) Section 16 (Engine Controls - On-Vehicle Adjustments) Section 17 (Engine Controls - Basic Diagnostic Procedures) Section 18 (Engine Controls - Trouble Shooting - No Codes) Section 19 (Engine Controls - System & Component Testing) Section 20 (Engine Controls - Removal, Overhaul & Installation) Section 21 (Engine Performance Wiring Diagrams) 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 (Specifications & Drive Belt Routing) Section 28 (Steering Column - E36) Section 29 (Air Bag Restraint Systems) Section 30 (Electrical Component Locator) Section 31 (Electrical Component Locator) Section 32 (Electrical Component Locator) Section 33 (Electrical Component Locator) Section 34 (Electrical Component Locator) Section 35 (A/C-Heater System) Section 36 (Electrical Component Locator) Section 37 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 38 (Suspension - Front) Section 39 (Disc - Z8) Section 40 (Front Axle - Repair - E46) Section 41 (Engine Controls - Basic Diagnostic Procedures) Section 42 (Diagnostic Trouble Codes With Test Charts) Section 43 (Engine Controls - Trouble Shooting - No Codes) Section 44 (Brakes - Repair) Section 45 (Axle Shafts - X5) Section 46 (Anti-Lock Brakes/Traction Control System - X5) Section 47 (Front Differentials) Section 48 (Air Bag Restraint Systems) Section 49 (Air Bag Restraint Systems) Section 50 (Air Bag Restraint Systems) Section 51 (Suspension - Front) Section 52 (Air Bag Restraint Systems) Section 53 (Air Bag Restraint Systems) Section 54 (Rear Suspension - Repair - E46) Section 55 (Engine Controls - Service & Adjustment Specifications) Section 56 (Engine Controls - On-Vehicle Adjustments) Section 57 (Engine Controls - Basic Diagnostic Procedures) Section 58 (Diagnostic Trouble Codes With Test Charts) Section 59 (Engine Controls - Trouble Shooting - No Codes) Section 60 (Engine Controls - System & Component Testing) Section 61 (Engine Controls - Pin Voltage Charts) Section 62 (Steering Column - Repair) Section 63 (Steering Column) Section 64 (Steering Column) Section 65 (Power Rack & Pinion) Section 66 (Power Steering System - Repair) Section 67 (Steering - Repair) Section 68 (Air Bag Deactivation Procedures) Section 69 (Cabin Air Filter) Section 70 (Cabin Air Filter) Section 71 (Cabin Air Filter - E46) Section 72 (Electrical Component Locator) Section 73 (Electrical Component Locator) Section 74 (Diagnostic Trouble Codes With Test Charts) Section 75 (Diagnostic Trouble Codes With Test Charts) Section 76 (Diagnostic Trouble Codes With Test Charts (6-Cylinder)) Section 77 (Diagnostic Trouble Codes With Test Charts (V8 & V12)) Section 78 (Computer Relearn Procedures) Section 79 (Diagnostic Trouble Codes With Test Charts) Section 80 (Air Bag Restraint Systems) Section 81 (Air Bag Restraint Systems) Section 82 (Air Bag Restraint Systems) Section 83 (Air Bag Deactivation Procedures) Section 84 (Power Convertible Top - Z8) Section 85 (Specifications & Procedures) Section 86 (Axle Shafts (Front & Rear) - Repair) Section 87 (Generators & Regulators) Section 88 (Brakes - Repair) Section 89 (Brakes - Repair (E46)) Section 90 (Starter - Repair (2WD)) Section 91 (Starter - Repair) Section 92 (Starters) Section 93 (Cooling Fans - Repair (E46)) Section 94 (Starter) Section 95 (Specifications & Drive Belt Routing) Section 96 (Cabin Air Filter) Section 97 (Cabin Air Filter) Section 98 (Servicing - A/T) Section 99 (Manual Transmission - Servicing) Section 100 (Standard/Automatic Transmission - Overview) Section 101 (Removal & Installation - (A5S 440Z)) Section 102 (Removal & Installation - (A5S 325Z)) Section 103 (Transmission - Overview) Section 104 (Removal & Installation (A5S 325Z)) Section 105 (REMOVAL & INSTALLATION - 325xi & 330xi) Section 106 (Automatic Transmission - Removal & Installation - X5 (A5S 440Z)) Section 107 (Automatic Transmission - Removal & Installation - A5S360R) Section 108 (Automatic Transmission - Removal & Installation - X5 (6HP26Z)) Section 109 (Automatic Transmission - Removal & Installation - 6HP19Z) Section 110 (Manual Transmission - Removal & Installation (A5S 360R/390R)) Section 111 (Overview - 5-Series) Section 112 (Propeller Shaft - Repair) Section 113 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 114 (Air Bag Restraint Systems) Section 115 (Air Bag Restraint Systems) Section 116 (Removal & Installation (S6S 420G)) Section 117 (Manual Transmission - Torque Specifications, Removal, & Installation (GS6-37BZ)) Section 118 (Removal & Installation - X5 (S5D 280Z)) Section 119 (Removal & Installation - M3 (S6S 420G SMG)) Section 120 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) 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 - (GS6-37BZ)) Section 125 (Clutch - Repair) 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 - Removal & Installation) Section 130 (Transfer Case Servicing) Section 131 (Transfer Case - Overhaul) Section 132 (Transfer Case - Overview (X-Drive)) Section 133 (Gear Shift Mechanism - Repair) Section 134 (Gear Shift Mechanisms) Section 135 (Electrical Component Locator) Section 136 (Electrical Component Locator) Section 137 (Electrical Component Locator) Section 138 (Maintenance And General Information - Repair Instructions) Section 139 (Engine - Repair Instructions - X5 (4.4L)) Section 140 (Engine Electrical System - Repair Instructions - X5 (4.4L)) Section 141 (Fuel System - Repair Instructions - X5 (4.4L)) Section 142 (Cooling System - Repair Instructions - X5 (4.4L)) Section 143 (Exhaust System - Repair Instructions - X5 (4.4L)) Section 144 (Propeller Shaft - Repair Instructions - X5 (4.4L)) Section 145 (Pedals - Repair - X5 (4.4L)) Section 146 (Body Equipment - Repair Instructions - X5 (4.4L)) Section 147 (Seats - Repair Instructions - 4.4L) Section 148 (Slide/Tilt Roof - Repair Instructions - X5 (4.4L)) Section 149 (General Electrical System - Repair Instructions - X5 (4.4L)) Section 150 (Instruments - Repair Instructions - X5 (4.4L)) Section 151 (Lights - Repair Instructions - X5 (4.4L)) Section 152 (Heating And Air Conditioning - Repair - X5 (4.4L)) Section 153 (Audio, Navigation And Anti-Theft - Repair Instructions - X5 (4.4L)) Section 154 (Electrical Drives - Repair Instructions - X5
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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.