Recommended replacement interval for the part category Spark plug : 18 month / 30000 km

Important!

This replacement procedure can be used for:
BMW 3 Coupe (E92) 330 i, BMW 3 Coupe (E92) 330 xi, BMW 3 Coupe (E92) 325 i, BMW 3 Coupe (E92) 325 xi, BMW 3 Coupe (E92) 330 xi, BMW 3 Coupe (E92) 330 xi, BMW 3 Coupe (E92) 325 i, BMW 3 Coupe (E92) 323 i … View more

The steps may slightly vary depending on the car design.

How to change spark plug on BMW 330i 3 (E92) [TUTORIAL AUTODOC]

All the parts you need to replace – Spark Plug for 3 Coupe (E92) and other BMW models

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Replacement: spark plugs – BMW E92. List of the tools you'll need:

                      Electronic spray
                    
                      High-temperature anti-seize lubricant
                    
                      Drive socket # 8 
                    
                      HEX bit No.H5.
                    
                      Spark plug socket # 16
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Flat Screwdriver
                    
                      Fender cover

Buy tools

Replacement: spark plugs – BMW E92. Tip from AUTODOC experts:

The replacement procedure is the same for all spark plugs.
Please note: all work on the car – BMW E92 – should be done with the engine switched off.

Carry out replacement in the following order:

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.
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

Detach the electrical wiring from the upper part of the microfilter housing.
Step 9

Detach the retainers of the upper part of the microfilter housing.
Step 10

Detach the cable duct from the upper part of the microfilter housing. Use a flat screwdriver.
Step 11

Remove the protective cover.
Step 12

Unscrew the engine cover fastener. Use HEX No.H5. Use a ratchet wrench.
Step 13

Remove the engine cover.
Step 14

Unplug the connectors from the ignition coils.
Step 15

Take out the ignition coils from the spark plug wells.

Replacement: spark plugs – BMW E92. AUTODOC recommends:
Remember the sequence of steps for ignition coil demounting.
Step 16

Clean dirt, dust and debris from inside the spark plug wells.
Step 17

Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
Step 18

Take out the spark plugs.
Step 19

Install the new spark plugs into their mounting seats.
Step 20

Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 27 nm torque.

Replacement: spark plugs – BMW E92. AUTODOC experts recommend:
Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
Step 21

Treat the ignition coil tips. Use high-temperature grease. Use a flat screwdriver.
Step 22

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 23

Install the ignition coils to the spark plug wells. Make sure you hear a click indicating that it is locked in place.

AUTODOC recommends:
Replacement: spark plugs – BMW E92. Follow the installation steps.
Step 24

Plug in the connectors of the ignition coils.
Step 25

Install the engine cover and secure it.

Replacement: spark plugs – BMW E92. Tip:
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 26

Screw in the engine cover fasteners. Use HEX No.H5. Use a ratchet wrench.
Step 27

Install the protective cover.
Step 28

Attach the cable duct to the upper part of the microfilter housing.
Step 29

Attach the electrical wiring to the upper part of the microfilter housing.
Step 30

Install the climate control sensors.

Step 31

Attach the connectors of the climate control sensors.
Step 32

Attach the retainers of the upper part of the microfilter housing.
Step 33

Install the wiper arm covers.
Step 34

Reinstall the cabin filter housing cover.
Step 35

Screw in the fasteners of the cabin filter housing cover. Use a drive socket #8. Use a ratchet wrench.
Step 36

Remove the fender protection cover.
Step 37

Close the hood.

Step 38

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

Step 39

Shut off the engine.

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