Important!

This replacement procedure can be used for:
BMW Z4 Roadster (E85) M, BMW Z4 Roadster (E85) 3.0 si, BMW Z4 Roadster (E85) 2.5 si, BMW Z4 Roadster (E85) 2.5 i, BMW Z4 Roadster (E85) 2.0 i, BMW Z4 Roadster (E85) 2.2 i, BMW Z4 Roadster (E85) 2.5 i, BMW Z4 Roadster (E85) 3.0 i … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Ignition Coil for Z4 Roadster (E85) and other BMW models

Ignition coil

Ignition Coil Unit

Puller, ignition coil unit

        Ignition coil for BMW Z4 Roadster (E85) 3.0 i Petrol (231 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) 2.5 i Petrol (192 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) 2.2 i Petrol (170 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) 2.0 i Petrol (150 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) 2.5 i Petrol (177 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) 2.5 si Petrol (218 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) 3.0 si Petrol (265 hp)
      
        Ignition coil for BMW Z4 Roadster (E85) M Petrol (343 hp)

Replacement: ignition coil – BMW Z4 (E85). Tools you might need:

                        Electronic spray
                      
                        High-temperature anti-seize lubricant
                      
                        HEX bit no.H5.
                      
                        Drive socket # 8 
                      
                        Ratchet wrench
                      
                        Flat Screwdriver
                      
                        Fender cover

Buy tools

Replacement: ignition coil – BMW Z4 (E85). AUTODOC recommends:

The replacement procedure is the same for the ignition coils of all cylinders.
All work should be done with the engine stopped.

Replacement: ignition coil – BMW Z4 (E85). Take the following steps:

Step 1

Open the hood.

Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.

Step 3

Unscrew the fasteners of the cabin filter housing cover. Use a drive socket #8. Use a ratchet wrench.
Step 4

Remove the cabin filter housing cover.

AUTODOC recommends:
Replacement: ignition coil – BMW Z4 (E85). Do not use excessive force when removing the part as this may damage it.
Step 5

Remove the wiper arm covers.
Step 6

Detach the connectors from the climate control sensors.
Step 7

Remove the climate control sensors.

Step 8

Unscrew the fasteners of the lower part of the scuttle panel. Use a drive socket #8. Use a ratchet wrench.
Step 9

Detach the cable duct from the upper part of the microfilter housing. Use a flat screwdriver.
Step 10

Remove the lower part of the scuttle panel.
Step 11

Unscrew the engine cover fastener. Use HEX No.H5. Use a ratchet wrench.
Step 12

Remove the engine cover.

Replacement: ignition coil – BMW Z4 (E85). Tip:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 13

Detach the connector from the ignition coil.
Step 14

Treat the ignition coil connector with electronic spray. The spray will protect the electrical contacts from corrosion, oxidation, and will reduce the contact resistance.
Step 15

Take out the ignition coil from the spark plug well.
Step 16

Treat the ignition coil tips. Use high-temperature grease. Use a flat screwdriver.
Step 17

Install the new ignition coil to the spark plug well. Make sure you hear a click indicating that it is locked in place.
Step 18

Plug in the ignition coil connector.
Step 19

Install the engine cover and secure it.

Replacement: ignition coil – BMW Z4 (E85). AUTODOC experts recommend:
Make sure the engine cover is properly seated. It should not be displaced with respect to the guiding fasteners.Do not apply excessive force when installing the part. Otherwise you may damage the fasteners.
Step 20

Screw in the engine cover fasteners. Use HEX No.H5. Use a ratchet wrench.
Step 21

Reinstall the lower part of the scuttle panel.
Step 22

Screw in the fasteners of the lower part of the scuttle panel. Use a drive socket #8. Use a ratchet wrench.
Step 23

Install the climate control sensors.
Step 24

Attach the connectors of the climate control sensors.
Step 25

Install the wiper arm covers.
Step 26

Attach the cable duct to the upper part of the microfilter housing.
Step 27

Reinstall the cabin filter housing cover. Make sure you hear a click indicating that it is locked in place.

AUTODOC recommends:
Warning! To avoid damaging the fasteners of the car during installation, do not use excessive force. BMW Z4 (E85)
Step 28

Screw in the fasteners of the cabin filter housing cover. Use a drive socket #8. Use a ratchet wrench.

Step 29

Remove the fender protection cover.

Step 30

Close the hood.

Step 31

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly.

Step 32

Shut off the engine.

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