1989 BMW 525i AutomaticFACTORY OEM SERVICE PROCEDURE

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 (Abs/Traction Control - Repair (E46)) Section 2 (Specifications & Procedures) Section 3 (Differentials & Axle Shafts) Section 4 (Servicing - M/T) Section 5 (Tests W/Codes) Section 6 (Engine Controls - Service & Adjustment Specifications) Section 7 (Engine Controls - On-Vehicle Adjustments) Section 8 (Engine Controls - Basic Diagnostic Procedures) Section 9 (Engine Controls - Trouble Shooting - No Codes) Section 10 (Engine Controls - System & Component Testing) Section 11 (Engine Controls - Removal, Overhaul & Installation) Section 12 (Engine Performance Wiring Diagrams) Section 13 (Wiring Diagrams) Section 14 (Scan Tester Specifications - EFI) Section 15 (Wiring Diagrams) Section 16 (Air Bag Restraint System) Section 17 (Air Bag Restraint System) Section 18 (Air Bag Restraint System) Section 19 (Brakes - Repair) Section 20 (Electronic - SERVOTRONIC) Section 21 (Air Bag Restraint System) Section 22 (Steering Column - E36) Section 23 (Servicing - M/T) Section 24 (Servicing - M/T) Section 25 (Servicing - M/T) Section 26 (Servicing - M/T) Section 27 (Removal & Installation - M/T) Section 28 (Removal & Installation - M/T) Section 29 (Servicing - M/T) Section 30 (Removal & Installation - M/T) Section 31 (Removal & Installation - M/T) Section 32 (Removal & Installation - M/T) Section 33 (Removal & Installation - M/T) Section 34 (Servicing - M/T) Section 35 (Servicing - M/T) Section 36 (Removal & Installation - M/T) Section 37 (Removal & Installation - M/T) Section 38 (Removal & Installation - M/T) Section 39 (Removal & Installation - M/T) Section 40 (Servicing - M/T) Section 41 (Servicing - M/T) Section 42 (Servicing - M/T) Section 43 (Servicing - M/T) Section 44 (Air Bag Restraint Systems) Section 45 (A/C-Heater System) Section 46 (Front/Rear Drive Axle - Repair (2WD & 4WD)) Section 47 (Front Axle - Repair - E46) Section 48 (Air Bag Restraint Systems) Section 49 (Air Bag Restraint Systems) Section 50 (Rear Suspension - Repair - E46) Section 51 (Engine Controls - Service & Adjustment Specifications) Section 52 (Engine Controls - On-Vehicle Adjustments) Section 53 (Engine Controls - Basic Diagnostic Procedures) Section 54 (Diagnostic Trouble Codes With Test Charts) Section 55 (Engine Controls - Trouble Shooting - No Codes) Section 56 (Engine Controls - System & Component Testing) Section 57 (Engine Controls - Pin Voltage Charts) Section 58 (Steering Column - Repair) Section 59 (Power Steering System - Repair) Section 60 (Air Bag Deactivation Procedures) Section 61 (Cabin Air Filter - E46) Section 62 (Cabin Air Filter) Section 63 (Diagnostic Trouble Codes With Test Charts) Section 64 (Diagnostic Trouble Codes With Test Charts) Section 65 (Computer Relearn Procedures) Section 66 (Diagnostic Trouble Codes With Test Charts) Section 67 (Air Bag Restraint Systems) Section 68 (Brakes - Repair (E46)) Section 69 (Starter - Repair (2WD)) Section 70 (Starter - Repair) Section 71 (Cooling Fans - Repair (E46)) Section 72 (Manual Transmission - Servicing) Section 73 (Standard/Automatic Transmission - Overview) Section 74 (Transmission - Overview) Section 75 (Removal & Installation (A5S 325Z)) Section 76 (Removal & Installation (S5D 200G/S5D 250G/M52TU/M54)) Section 77 (Air Bag Restraint Systems) Section 78 (Removal & Installation - M3 (S6S 420G SMG)) Section 79 (REMOVAL & INSTALLATION - 330i, xi & Ci (GS6 37BZ)) Section 80 (On-Vehicle Servicing - (A5S 360R/390R)) Section 81 (Removal & Installation (A5S 3690R/390R)) Section 82 (On-Vehicle Servicing - (S5D 200G/250G & GS6S37BZ SMG)) Section 83 (On-Vehicle Servicing - (S5DZ & GS6X37BZ)) Section 84 (Gear Shift Mechanism - Repair) Section 85 (Maintenance And General Information - Repair Instructions) Section 86 (Engine - Repair (S54)) Section 87 (Engine Electrical System - Repair Instructions) Section 88 (Fuel System - Repair Instructions) Section 89 (Cooling System - Repair Instructions) Section 90 (Exhaust System - Repair Instructions) Section 91 (Clutch - Repair Instructions) Section 92 (Manual Transmission - Repair Instructions) Section 93 (Propeller Shaft - Repair Instructions) Section 94 (Wheel And Tires - Repair Instructions) Section 95 (Body Equipment - Repair Instructions) Section 96 (General Electrical System - Repair Instructions) Section 97 (Instruments - Repair Instructions) Section 98 (Engine - Technical Data) Section 99 (Engine Electrical System - Technical Data) Section 100 (Fuel System - Technical Data) Section 101 (Manual Transmission - Technical Data) Section 102 (Propeller Shaft - Technical Data) Section 103 (Wheel And Tires - Technical Data) Section 104 (Maintenance And General Information - Tightening Torques) Section 105 (Engine - Tightening Torques) Section 106 (Engine Electrical System - Tightening Torques) Section 107 (Fuel System - Tightening Torques) Section 108 (Cooling System - Tightening Torques) Section 109 (Clutch - Tightening Torques) Section 110 (Manual Transmission - Tightening Torques) Section 111 (Propeller Shaft - Tightening Torques) Section 112 (Wheel And Tires - Tightening Torques) Section 113 (Body Equipment - Tightening Torques) Section 114 (General Electrical System - Tightening Torques) Section 115 (Cooling System - Technical Data) Section 116 (Maintenance And General Information - Special Tools) Section 117 (Engine- Special Tools - M-Coupe & Z3 (E36)) Section 118 (Clutch - Special Tools - M-Coupe/Roadster & Z3 (E36)) Section 119 (MAINTENANCE - REPAIR INSTRUCTIONS - 330i, 330Ci, 330xi (M54/E46)) Section 120 (Engine - Repair (6-CYL)) Section 121 (Engine Electrical System - Repair) Section 122 (Fuel System - Repair Instructions) Section 123 (Fuel Supply System - Repair) Section 124 (Cooling System - Repair Instructions) Section 125 (Exhaust System - Repair) Section 126 (Engine And Transmission Mounting - Repair) Section 127 (Propeller Shaft - Repair - E46) Section 128 (Body Equipment - Repair) Section 129 (Seats - Repair) Section 130 (Slide/Tilt Roof - Repair) Section 131 (General Electrical System - Repair) Section 132 (Lights - Repair) Section 133 (Heating And Air Conditioning - Repair) Section 134 (Electrical Drives - Repair) Section 135 (Communication Systems - Repair) Section 136 (Propeller Shaft - Technical Data) Section 137 (Wheel And Tires - Technical Data) Section 138 (Engine - Technical Data) Section 139 (Wheel And Tires - Technical Data) Section 140 (Body Equipment - Technical Data) Section 141 (Lights - Technical Data) Section 142 (Lights - Service Information) Section 143 (Engine - Special Tools) Section 144 (Fuel System - Special Tools - M54, S54) Section 145 (Cooling System - Special Tools) Section 146 (Propeller Shaft - Special Tools - E46) Section 147 (Wheel And Tires - Special Tools) Section 148 (Body Equipment - Special Tools) Section 149 (Seats - Special Tools) Section 150 (Slide/Tilt Roof And Convertible Top - Special Tools) Section 151 (General Electrical System - Special Tools) Section 152 (Lights - Special Tools) Section 153 (Heating And Air Conditioning - Special Tools) Section 154 (Instruments - Repair) Section 155 (Body Equipment - Tightening Torques) Section 156 (Maintenance And General Information - Repair) Section 157 (Engine - Repair (S54)) Section 158 (Engine Electrical System - Repair) Section 159 (Fuel System - Repair) Section 160 (Cooling System - Repair) Section 161 (Exhaust System - Repair) Section 162 (Wheel And Tires - Repair) Section 163 (Body Equipment - Repair) Section 164 (Seats - Repair) Section 165 (Slide/Tilt Roof - Repa

Factory Service Tools

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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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