Recommended replacement interval for the part category Pollen filter : 15000 km

Important!

This replacement procedure can be used for:
ALPINA B3 (E46) 3.4 S, ALPINA B3 (E46) 3.3 Allrad, ALPINA B3 (E46) 3.3 … 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 – Pollen Filter for B3 (E46) and other ALPINA models

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Replacement: pollen filter – ALPINA B3 (E46). Tools you might need:

                      Torx bit T20
                    
                      Ratchet wrench
                    
                      Fender cover

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Replacement: pollen filter – ALPINA B3 (E46). AUTODOC recommends:

Replace the cabin filter at least once every six months, in early spring and autumn seasons.
Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
If the air flow into the cabin has sharply reduced, replace the filter before a scheduled maintenance.
All work should be done with the engine stopped.

Replacement: pollen filter – ALPINA B3 (E46). 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.
Step 4

Remove the cabin filter housing cover.
Step 5

Remove the cabin filter.
Step 6

Remove the rubber strip.
Step 7

Unscrew the filter housing fastening bolts. Use Torx T20. Use a ratchet wrench.
Step 8

Disconnect the wiring harness from the cabin filter housing.
Step 9

Remove the cabin air filter housing.
Step 10

Clean the cabin filter housing and cover.

Replacement: pollen filter – ALPINA B3 (E46). Professionals recommend:
Remove any debris from the cabin filter housing carefully to prevent contamination of the ventilation duct.Do not attempt to clean and reuse the filter - it will affect the quality of air cleaning inside the car.
Step 11

Install the cabin air filter housing.
Step 12

Screw the filter housing fastening bolts. Use Torx T20. Use a ratchet wrench.
Step 13

Install the rubber strip.
Step 14

Connect the wiring harness to the cabin filter housing.
Step 15

Insert a new filter element into the filter housing. Make sure that the filter edge fits tight to the housing.

Replacement: pollen filter – ALPINA B3 (E46). AUTODOC experts recommend:
Follow the air flow direction arrow on the filter.Replacement: pollen filter – ALPINA B3 (E46). Be sure to position the filtering element correctly. Avoid misalignment.Take care to only use quality filters.
Step 16

Reinstall the cabin filter housing cover.
Step 17

Screw in the fasteners of the cabin filter housing cover.

Step 18

Remove the fender protection cover.

Step 19

Close the hood.