BMW X3 (F25) Service & Repair Manual: Engine electrical system

BMW X3 (F25) Service & Repair Manual / Electrical / Engine electrical system

Adapter

Adapter MP

NOTE: (Single adapter (8 pieces)) Deletion, only available via tool set

Storage Location

K 104

Electrical

NOTE: For measuring secondary voltage during static ignition distribution

Storage Location

I 110

SI number

02 04 91 (321)

Consisting of:

9 = Operating instructions

Electrical

NOTE: (Electronic engine power control adapter) For checking of electronic engine power control safety circuit with 20-pin engine connector

Storage Location

H 106

Electrical

Adapter MP

NOTE: (Adapter kit) For measuring secondary voltage during static ignition distribution

Storage Location

K 104

SI number

02 06 92 (548)

Consisting of:

6 = Plate

NOTE: (Adapter plate) For engines with ignition coil block for measuring secondary voltage Deletion, only available via tool set

9 = Adapter

NOTE: (Single adapter (8 pieces)) Deletion, only available via tool set

Electrical

9 = Cable

NOTE: (Cable) For BMW SERVICE TEST Deletion, only available via tool set

9 = Cable

NOTE: (Cable) Consisting of 7 individual cables Deletion, only available via tool set

9 = Clamp

NOTE: (Clamp) 8 pieces For ignition coils - engine: M43, M44 Deletion, only available via tool set

9 = Operating instructions

Adapter AM

NOTE: Adapter with multiple serrations (from 08/2009 as replacement for 12 7 121)

Storage Location

A49

Electrical

Adapter Mechanical tool

NOTE: (Test adapter 35-pin) Universal wiring harness test adapter

Adapter MP

NOTE: For measuring primary voltage during static ignition distribution

Storage Location

H 103

SI number

02 01 90 (155)

Consisting of:

2 = Operating instructions

Electrical

NOTE: (Adapter kit) For 134-pin module connector For diagnosis and troubleshooting in Digital Motor Electronics and transmission control unit - from model year 98

SI number

02 04 97 (248)

Consisting of:

4 = Cap

NOTE: (Zero-encoded protective cap for test box, 52-pin (12 1300/304)) New connector in E61/E61/E63 and E64 on SGM control unit protective cap 12 1 300/305 for diagnosis on wiring harness. From 08/2004 protective cap will be supplied with test box.

Electrical

2 = Adapter cable

NOTE: (Adapter cable) 9-pin

2 = Measuring module

NOTE: (Measuring module) 24-pin

2 = Measuring module

NOTE: (Measuring module) 40-pin

2 = Measuring module

NOTE: (Measuring module) 52-pin Delivered from 08/2004 in combination with 12 1 305 (zero-encoded protective cap for new SGM control unit in E6x).

Adapter Mechanical tool

NOTE: (Test adapter, 56-pin) For checking the engine wiring harness on compressed natural gas vehicles

Storage Location

W 2..

SI number

01 14 95 (014)

Electrical

NOTE: (plug adapter for CNG wiring harness) For reducing the gas pressure in the CNG system

Storage Location

W 2..

SI number

01 14 95 (014)

Electrical

Adapter cable

Adapter cable Minimum set: Measuring and testing equipment MP

NOTE: (V adapter cable set 58-pin) For diagnosis and troubleshooting on Digital Diesel Electronics 5.0 04/04 control unit; encoding with special probe (002250) removed - for N46, N52 and S85 engines. Set 12 7 420 consisting of 12 7 421 adapter cable and 12 7 422 cover plate 05/2004 set modification SI 2 03 04 (106)

Storage Location

Q204

SI number

02 05 01 (479)

Electrical

Consisting of:

1. Adapter cable

NOTE: (Adapter cable 58-pin) Only available as part of complete special tool set 12 7 420 (83 30 0 494 146).

2. Plate

NOTE: (Cover plate for test box) For pin allocation on 105-pin test box (61 4 380)

Adapter cable AM

NOTE: For ignition timing simulator 12 1 460. Miscellaneous: USA only

Storage Location

W 2..

Adapter cable MP

NOTE: (Adapter cable) 9-pin

Storage Location

N201

Adapter cable AM

NOTE: (Adapter cable 25-pin) For checking/encoding B of electronic engine power control safety circuit - model series: E31/engine: M70

Storage Location

H 102

Electrical

NOTE: (Adapter cable, 25-pin) Encoding A

Storage Location

H 102

Electrical

Adapter cable MP

NOTE: For engines with rod-type ignition coils for measuring secondary voltage

Storage Location

I 110

SI number

02 01 01 (671)

Electrical

Adapter cable Minimum set: Measuring and testing equipment MP

NOTE: (V adapter cable 96-pin) For diagnosis and troubleshooting on DDE 5.0 control unit

Storage Location

Q 203

SI number

02 05 01 (479)

Electrical

Adapter cable MP

NOTE: (Adapter cable with diode) For reverse polarity protected connection to a 12 volt-voltage source Engine: M50, M52, S62, S54. Only available as part of complete tool set 12 6 410 - (83 30 0 491 148).

Storage Location

F107

Electrical

Adapter cable Minimum set: Measuring and testing equipment MP

NOTE: (Adapter cable 58-pin) Only available as part of complete special tool set 12 7 420 (83 30 0 494 146).

Storage Location

Q204

SI number

02 03 04 (106)

Electrical

NOTE: (V adapter cable, 9-pin) For diagnosis and troubleshooting on both sensors (VVT control unit)

Storage Location

Q207

SI number

02 02 01 (695)

Electrical

Adapter cable MP

NOTE: (Adapter cable and switching device) For external activation of VANOS unit during installation and for function check of shift valve

SI number

01 08 92 (555)

Electrical

Consisting of:

3 = Guard

NOTE: (Reverse polarity protection) Retrofit kit with reverse polarity protection diode for installation into adapter cable 12 6 411, to adjust it to performance data of switching device 12 6 050. Identification: Red heat- shrink tubing Only available as part of complete tool set 12 6 410 - (83 30 0 491 148).

2 = Adapter cable

NOTE: (Adapter cable with diode) For reverse polarity protected connection to a 12 volt-voltage source Engine: M50, M52, S62, S54. Only available as part of complete tool set 12 6 410 - (83 30 0 491 148).

2 = Measuring device

NOTE: (Switching device with cable connection) Engine: S50B32. Only available as part of complete tool set 12 6 410 (83 30 0 491 148).

ANTISTATIC MAT

Antistatic mat AM

Replaced by: 83300495054

NOTE: (Antistatic mat) Is replaced by main number 12 7 060.

BOLT

Bolt Mechanical tool

NOTE: (Adjusting bolt) For adjusting the circuit board switch on the DME control unit

Electrical

Cable

Cable MP

NOTE: (Cable) For BMW SERVICE TEST Deletion, only available via tool set

Storage Location

K 104

Electrical

NOTE: (Cable) Consisting of 7 individual cables Deletion, only available via tool set

Storage Location

K 104

Electrical

CAP

Cap MP

NOTE: (Zero-encoded protective cap for test box, 52-pin (12 1300/304)) New connector in E61/E61/E63 and E64 on SGM control unit protective cap 12 1 300/305 for diagnosis on wiring harness. From 08/2004 protective cap will be supplied with test box.

SI number

02 07 04 (138)

CASE

Case AM

NOTE: (Case)

CLAMP

Clamp MP

NOTE: (Clamp) 8 pieces For ignition coils - engine: M43, M44 Deletion, only available via tool set

Storage Location

K 104

Electrical

Device

Device Mechanical tool

NOTE: (Turning device) for ignition distributors - H. Korer

NOTE: (retainer) For holding the ignition distributor during removal of the cotter pin on the distributor pinion

Electrical

DIE-PLATE

Die-plate AM

NOTE: (set of dies) Cable 4 mm2 /ignition lead

Storage Location

K 103

Electrical

EPROM

EPROM AM

NOTE: (Eprom set)

Consisting of:

1. EPROM

NOTE: (Eprom 128 K-type)

2. EPROM

NOTE: (Eprom 256 K-type)

3. EPROM
4. EPROM
5. EPROM
6. EPROM
7. EPROM
8. EPROM
9. Case

NOTE: (Case)

EPROM AM

NOTE: (Eprom 256 K-type)

NOTE: (Eprom 128 K-type)

ELECTRONICS BOX

Electronics box Mechanical tool

NOTE: (Eprom deletion unit)

NOTE: (Eprom programming system)

FITTING AID

Fitting aid Mechanical tool

NOTE: Fitting aid for spark plug installation. Original BERU ZMH 001 rubber hose 0 890 00 001.

SI number

01 04 07 (352)

Electrical

FORK

Fork Mechanical tool

NOTE: (Removal fork) For pressing vacuum hose off vacuum units of ignition distributors and carburetor

Electrical

Gauge

Gauge Mechanical tool

NOTE: (Gauge for pedal sensor)

Storage Location

Y3

SI number

01 04 87 (780)

Electrical

Gauge Mechanical tool

NOTE: (Test gauge) for wiring harness, pedal sensor

GUARD

Guard AM

NOTE: (Protective gloves)

Electrical

Guard MP

NOTE: (Reverse polarity protection) Retrofit kit with reverse polarity protection diode for installation into adapter cable 12 6 411, to adjust it to performance data of switching device 12 6 050. Identification: Red heat-shrink tubing Only available as part of complete tool set 12 6 410 - (83 30 0 491 148).

Guard AM

NOTE: (Protective gloves)

Holder

Holder AM

NOTE: (Counter support for alternator with freewheel) Counter support for alternator with freewheel N42 engine (with external serrations)/from 08/2009, 12 7 121 will be replaced by 12 7 123

Storage Location

A49

SI number

01 28 03 (051)

Electrical

Consisting of:

1. Holder

NOTE: (Brace wrench) Alternator, N42 engine Replaced by 12 7 123 (0 496 727)

2. Socket wrench

NOTE: For screw with internal serrations (Hazet 8808 lg10)

3. Adapter

NOTE: Adapter with multiple serrations (from 08/2009 as replacement for 12 7 121)

Holder AM

Replaced by: 83300496727

NOTE: (Brace wrench) Alternator, N42 engine Replaced by 12 7 123 (0 496 727)

Storage Location

A49

HOLDING SLEEVE

Holding sleeve AM

NOTE: (Assembly sleeve)

Storage Location

K 103

Electrical

LABELS

Labels AM

NOTE: (Official marks)

NOTE: (Eprom label)

NOTE: (Control unit sealer)

Storage Location

J 106

Consisting of:

1. Labels

NOTE: (Official marks)

2. Pliers

NOTE: (Punch pliers) For official mark dating

LEVER

Lever AM

NOTE: For bending the sheet metal tabs

Lever Mechanical tool

NOTE: For unlocking the plug connector on the fuel injectors

Storage Location

B42

SI number

01 15 00 (609)

Electrical

LUBRICANT

Lubricant AM

NOTE: (Lubricant) sale of existing inventory and then to be ordered with 83 19 2 208 609 - silicone spray

Storage Location

K 103

Electrical

Measuring device

Measuring device MP

NOTE: (Switching device with cable connection) Engine: S50B32. Only available as part of complete tool set 12 6 410 (83 30 0 491 148).

Storage Location

H 103

MEASURING DEVICE

Measuring device MP

NOTE: (Device) For activating solenoid valves of VANOS unit

Storage Location

H 103

SI number

01 01 99 (416)

Electrical

Measuring device Mechanical tool

NOTE: (Device) mixture controlling device (integrator) for checking of mixture adjustment - oxygen=1. Other: only Japan and USA, tool is discontinued.

Electrical

Measuring device Mechanical tool

NOTE: (TDC sensor)

Storage Location

W 2..

Electrical

MEASURING MODULE

Measuring module MP

NOTE: (Measuring module) 24-pin

Storage Location

N 202

NOTE: (Measuring module) 52-pin Delivered from 08/2004 in combination with 12 1 305 (zero-encoded protective cap for new SGM control unit in E6x).

Storage Location

N204

Measuring module MP

NOTE: (Measuring module) 40-pin

Storage Location

N 203

MOBILE EQUIPMENT TABLE LIFT

Mobile equipment table lift Mechanical tool

NOTE: Table lift Gruse MHT 1200

SI number

06 01 10 (649)

Electrical

OPERATING INSTRUCTIONS

Operating instructions AM

Electrical

Operating instructions MP

Electrical

Operating instructions MP

Electrical

Operating instructions MP

Electrical

Operating instructions MP

Electrical

PIN

Pin AM

NOTE: (Fine line pen) Black, waterproof

PLATE

Plate Minimum set: Measuring and testing equipment MP

NOTE: (Cover plate for test box) For pin allocation on 105 - pin test box (61 4 380)

Storage Location

Q204

Electrical

Plate MP

NOTE: (Adapter plate) For engines with ignition coil block for measuring secondary voltage Deletion, only available via tool set

Storage Location

K 104

Electrical

Pliers

Pliers AM

NOTE: For bending the sheet metal tabs open

NOTE: For closing the sheet metal tabs

Pliers Mechanical tool

NOTE: For detaching spark plug connectors

Storage Location

A9

B9

SI number

01 04 88 (906)

Electrical

Pliers AM

Storage Location

K 103

Electrical

Pliers AM

NOTE: (Eprom extraction tool) No longer available. Antistatic mat can be ordered under special tool number 12 7 060.

Storage Location

J101

NOTE: (Punch pliers) For official mark dating

REPAIR KIT

Repair kit AM

Replaced by: 83300491115

NOTE: (Repair kit) For ignition lead crimping tool for fitting the ignition leads onto the spark plug connectors - Replaced by 12 1 080 (0 491 115)

Storage Location

K 103

Consisting of:

1. Guard

NOTE: (Protective gloves)

Electrical

Repair kit AM

NOTE: For installation of spark plug connectors to ignition lead

Storage Location

K 103

SI number

01 03 89 (037)

Electrical

Consisting of:

1 = Pliers

2 = Shaped part

NOTE: (Shaped part) Replaced by 12 1 083 (0 491 118)

3 = Die-plate

NOTE: (set of dies) Cable 4 mm2 /ignition lead

6 = Holding sleeve

NOTE: (Assembly sleeve)

7 = Guard

NOTE: (Protective gloves)

8 = Lubricant

NOTE: (Lubricant) sale of existing inventory and then to be ordered with 83 19 2 208 609 - silicone spray.

9 = Operating instructions

RING SPANNER

Ring spanner Mechanical tool

NOTE: (Ring spanner (counter support)) for the belt pulley on the alternator

Storage Location

Z2

Electrical

SCREWDRIVER

Screwdriver AM

NOTE: (Screwdriver)

SHAPED PART

Shaped part AM

Replaced by: 83300491118

NOTE: (Shaped part) Replaced by 12 1 083 (0 491 118)

Electrical

SIMULATOR

Simulator Mechanical tool

NOTE: (Simulator) For checking the switching function Miscellaneous: USA only

Storage Location

W 2..

Electrical

SIMULATOR

Simulator AM

NOTE: (Simulator) Miscellaneous: Japan and USA only

Storage Location

W 2..

Consisting of:

2 = Adapter cable

NOTE: For ignition timing simulator 12 1 460. Miscellaneous: USA only

Electrical

Socket WAF 46

Socket WAF 46 Mechanical tool

NOTE: (Socket) AF 18

Socket WAF 46 Minimum set: Mechanical tools AM

NOTE: (Spark plug wrench) WAF 16 mm S50, M40, M42, M43, M44, M50, M52, M60, M62, M70, M73, W10, W11, N40, N42, N43, N73, N73H

Storage Location

A9

Socket WAF 46 Mechanical tool

NOTE: (Socket) AF 17.5 mm For releasing and tightening the spark plugs

Storage Location

A9

Electrical

Socket WAF 46 Minimum set: Mechanical tools AM

NOTE: For removing and installing the spark plugs (WAF 14 bihexal).

Storage Location

A20

A86

SI number

01 20 06 (299)

Electrical

Socket wrench

Socket wrench AM

NOTE: For screw with internal serrations (Hazet 8808 lg10)

Storage Location

A49

Electrical

SOCKET WRENCH INSERT

Socket wrench insert AM

NOTE: (Torx socket wrench insert T20)

Socket wrench insert Minimum set: Mechanical tools Mechanical tool

NOTE: (Socket wrench insert WAF 24) For removing and installing the belt pulley on the alternator

Storage Location

A12

SI number

01 12 93 (701)

Electrical

Socket wrench insert Mechanical tool

NOTE: (socket wrench insert WAF 12) For removing and fitting the glow elements

Storage Location

C10

Electrical

Socket wrench insert AM

NOTE: (Torx socket wrench insert T10)

Socket wrench insert Mechanical tool

Replaced by: 83300491167

NOTE: (Socket wrench insert WAF 24) For removal and installation of the belt pulley on the alternator - Replaced by 12 7 110 (0 491 167)

Electrical

SOFTWARE

Software AM

NOTE: (Floppy disk) Printer software floppy disk For printing letters on the labels with a needle printer.

SUPPLEMENT

Supplement Mechanical tool

NOTE: (EPROM set) For programming DME control units Comprising: 12 7 170, 12 7 180, 12 7 190

TEST SET

Test set AM

NOTE: (Test set) For checking electronic engine power control safety circuit

Consisting of:

1 = 0491152
2 = 0491153
3 = 0491154
9 = 0491155

Electrical

TESTER

Tester Mechanical tool

NOTE: (Capacitor) Test capacitor for DME/AGS relay KD action/model year: 94

Storage Location

W 2..

Tool

Tool Mechanical tool

NOTE: (Tool) for ignition timing adjustment (CIFI)

Electrical

Tool AM

NOTE: (Tool set) to open and close the electronics box

Storage Location

J 106

Consisting of:

1 = Pliers

NOTE: For bending the sheet metal tabs open

2 = Lever

NOTE: For bending the sheet metal tabs

3 = Pliers

NOTE: For closing the sheet metal tabs

4 = Socket wrench insert

NOTE: (Torx socket wrench insert T20)

5 = Socket wrench insert

NOTE: (Torx socket wrench insert T10)

6 = Pin

NOTE: (Fine line pen) Black, waterproof

8 = Screwdriver

NOTE: (Screwdriver)

9 = Tool

NOTE: (Straightening tool) For Eprom connections

Tool AM

NOTE: (Straightening tool) For Eprom connections

Tool Mechanical tool

NOTE: (Tool) shorter version for adjusting the dynamic ignition timing and carburetor synchronization - discontinued from July 92/automatic transmission

Tool AM

NOTE: (Eprom tool) Set no longer available. Antistatic mat can be ordered under number 12 7 060.

Storage Location

J101

Consisting of:

1. Pliers

NOTE: (Eprom extraction tool) No longer available. Antistatic mat can be ordered under special tool number 12 7 060.

2. Antistatic mat

NOTE: (Antistatic mat) Is replaced by main number 12 7 060.

3. Labels

NOTE: (Eprom label)

4. Software

NOTE: (Floppy disk) Printer software floppy disk For printing letters on the labels with a needle printer.

Tool Mechanical tool

NOTE: (Tool) For adjusting the dynamic ignition timing - Deletion as of July 92

Tool Mechanical tool

NOTE: (Tool) longer version to adjust the dynamic ignition timing adjustment and carburetor synchronization - discontinued from July 92/manual gearbox

Tool Minimum set: Mechanical tools AM

NOTE: (Spark plug tool) For releasing spark plugs and for tightening to torque limitation, special tool is being discontinued without replacement!

Storage Location

A9

Consisting of:

1. Socket WAF 46

NOTE: (Spark plug wrench) WAF 16 mm S50, M40, M42, M43, M44, M50, M52, M60, M62, M70, M73, W10, W11, N40, N42, N43, N73, N73H

2. Torque limiter

NOTE: (Torque limiter) 23 Nm Â+-3 Nm, engine: S14, S38, S50 Do not use the special tool any more because the torque will change.

Electrical

TORQUE LIMITER

Torque limiter Minimum set: Mechanical tools Mechanical tool

NOTE: (torque limiter) 30 Nm For tightening the spark plugs to a limited torque setting

Storage Location

A9

SI number

01 05 92 (507)

Electrical

ALTERNATOR LEAD (N52T)

TIGHTENING SPECIFICATION - ALTERNATOR LEAD

Electrical

ALTERNATOR LEAD (N55)

TIGHTENING SPECIFICATION - ALTERNATOR LEAD

Electrical

ALTERNATOR LEAD (N20)

TIGHTENING TORQUE SPECIFICATION - ALTERNATOR LEAD

Electrical

ALTERNATOR WITH DRIVE AND MOUNTING PARTS (N55)

TIGHTENING TORQUE SPECIFICATION - ALTERNATOR WITH DRIVE AND MOUNTING PARTS

Electrical

ALTERNATOR WITH DRIVE AND MOUNTING PARTS (N52T)

TIGHTENING TORQUE SPECIFICATION - ALTERNATOR WITH DRIVE AND MOUNTING PARTS

Electrical

ALTERNATOR WITH MOUNTING (N20)

TIGHTENING TORQUE SPECIFICATION - ALTERNATOR WITH MOUNTING

Electrical

ALTERNATOR WITH MOUNTING (N47)

TIGHTENING TORQUE SPECIFICATION - ALTERNATOR WITH MOUNTING

Electrical

ELECTRONIC SHIFT UNITS OR CONTROL UNITS (N20)

TIGHTENING TORQUE SPECIFICATION - ELECTRONIC SHIFT UNITS OR CONTROL UNITS

Electrical

ELECTRONIC SHIFT UNITS OR CONTROL UNITS (N55)

TIGHTENING TORQUE SPECIFICATION - ELECTRONIC SHIFT UNITS OR CONTROL UNITS

Electrical

ELECTRONICS BOX, WIRING HARNESS (N52T)

TIGHTENING TORQUE SPECIFICATION - ELECTRONICS BOX, WIRING HARNESS

Electrical

ELECTRONICS BOX, WIRING HARNESS (N55)

TIGHTENING TORQUE SPECIFICATION - ELECTRONICS BOX, WIRING HARNESS

Electrical

GLOW ELEMENTS (N47)

TIGHTENING TORQUE SPECIFICATION - GLOW ELEMENTS

Electrical

OIL PRESSURE SWITCH, OIL LEVEL SENSOR (N47)

TIGHTENING TORQUE SPECIFICATION - OIL PRESSURE SWITCH, OIL LEVEL SENSOR

Electrical

OIL PRESSURE, OIL CONDITION DISPLAY (N52T)

TIGHTENING TORQUE SPECIFICATION - ENGINE OIL PRESSURE, OIL CONDITION

Electrical

OIL PRESSURE, OIL LEVEL INDICATOR (N20)

TIGHTENING TORQUE SPECIFICATION - OIL PRESSURE, OIL LEVEL INDICATOR

Electrical

OIL PRESSURE, OIL LEVEL INDICATOR (N55)

TIGHTENING TORQUE SPECIFICATION - OIL PRESSURE, OIL LEVEL INDICATOR

Electrical

PLUG CONNECTORS, TERMINALS (N52T)

TIGHTENING TORQUE SPECIFICATION - PLUG CONNECTORS, TERMINALS

Electrical

PLUG CONNECTIONS, TERMINALS, LOOSE COMPONENTS (N20, N55)

TIGHTENING TORQUE SPECIFICATION - PLUG CONNECTIONS, TERMINALS, LOOSE COMPONENTS

Electrical

Electrical

PLUG CONNECTIONS, TERMINALS, LOOSE PARTS (N47)

TIGHTENING TORQUE SPECIFICATION - PLUG CONNECTIONS, TERMINALS, LOOSE PARTS

Electrical

SPARK PLUGS

TIGHTENING TORQUE SPECIFICATION - SPARK PLUGS

Electrical

STARTER MOTOR WITH MOUNTING (N20)

TIGHTENING TORQUE SPECIFICATION - STARTER MOTOR WITH MOUNTING

Electrical

STARTER MOTOR WITH MOUNTING (N52T)

TIGHTENING TORQUE SPECIFICATION - STARTER MOTOR WITH MOUNTING

Electrical

Electrical

STARTER MOTOR WITH MOUNTING (N55)

TIGHTENING TORQUE SPECIFICATION - STARTER MOTOR WITH MOUNTING

Electrical

STARTER MOTOR WITH MOUNTING (N47)

TIGHTENING TORQUE SPECIFICATION - STARTER MOTOR WITH MOUNTING

Electrical

Switches and relays
REPLACING POWER DISTRIBUTION MODULE (N20, N52T, N55) Necessary preliminary tasks: Switch off ignition. Disconnect BATTERY NEGATIVE LEAD . Rem ...

Cabin air filter
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Other materials:

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MEASURING VEHICLE RIDE HEIGHT Determine actual ride height (A) - to do so, attach tape measure to rim flange (2) at bottom middle and measure to wheel arch lower edge (1). Removing and installing/replacing coil spring for front left or front right spring strut Special tools required: 31 ...