1999-2006 BMW 3 Series Ignition Coils Replacement

This tutorial will focus on the replacement of...

iFixit Library 1999-2006 BMW 3 Series Moderate 30 minutes Guide 138626

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Guide overview

Before you begin

This tutorial will focus on the replacement of the six ignition coils of the 3 Series BMW (1999-2006) due to engine misfires. Some reasons for engine misfires can include rough idling and late shifting. The BMW series 3 (1999-2006) also needs regular replacements for the car’s ignition coils. BMW recommends replacing these ignition coils every 100,000 miles for non-turbocharged vehicles and every 45,000 miles for turbo-charged vehicles. With the help of this tutorial, you will have no problem keeping your BMW 3 series running smoothly and at its optimal performance.

Step 1

Repair step

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Release the hood latch by pulling the lever found in the driver foot well.
Open the hood.

Step 2

Repair step

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Remove the oil cap and note the four bolt placements.

Step 3

Repair step

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Using a 10 mm socket wrench, remove the four bolts holding down the engine covers.

Step 4

Repair step

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Note the placement of each ignition coil then remove the plastic latch and disconnect each cable.

Step 5

Repair step

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With a firm grip, remove each ignition coil and replace with the new coils respectively.
Repeat steps 4 to 1 for reassembly.