BMW 3 Series E46 Subwoofer Module Retrofit Guide

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This article show a guide on how to retrofit subwoofer module for BMW 3 series E46.The installation time is approx 1,5 – 2,5 hours, but this may vary depending on the condition of the car and the equipment in it.

 

Note:Try this guide at your own risk.And more case check this tag:BMW Retrofit

 

Part List E46/2/4

A Power supply cable

B Speaker cable

C Power cable with fuse and blade terminal

D Subwoofer

E Insulation-piercing connection (5x)

F Cable tie (15x)

G Nut M8 (self-locking)

H Nut M8

I Washer 8.4 mm (2x)

J Foam tube

K Customer information

 

Part list E46/3

A Power supply cable

B Speaker cable

C Power cable with fuse and blade terminal

D Subwoofer

E Insulation-piercing connection (5x)

F Cable tie (15x)

G Subwoofer holder

H Wing nut M8

I Washer 8.4 mm in diameter

J Foam tube

K Customer information

 

Preparations:

 

Connection Diagram:

 

Installation and cabling diagram for cars with a battery in the engine compartment

A Power supply cable

A1 In spare wheel trough

A2 To battery installation site

A3 To earth post X13016 in the boot on the left

A4 To audio wiring harness on the C pillar

B Speaker cable

B1 In spare wheel trough

B2 To audio wiring harness on the C pillar

B3 To audio wiring harness on the C pillar

B4 To audio wiring harness on the C pillar

B5 To audio wiring harness on the C pillar

 

Note:

Tie back any excess lengths on branch A3.

Excess lengths on branches A2, A4 and B2 – B5 must be cut at the connection site.

 

Installation and cabling diagram for cars with a battery in the boot

A Power supply cable

A1 In spare wheel trough

A2 To battery installation site

A3 To earth post X13016 in the boot on the left

A4 To audio wiring harness on the C pillar

B Speaker cable

B1 In spare wheel trough

B2 To audio wiring harness on the C pillar

B3 To audio wiring harness on the C pillar

B4 To audio wiring harness on the C pillar

B5 To audio wiring harness on the C pillar

 

Note:

Tie back any excess lengths on branch A3.

Excess lengths on branches A2, A4 and B2 – B5 must be cut at the connection site.

 

To install wiring harness in cars with a battery in the engine compartment

Install the power supply cable A and speaker

This Post: BMW 3 Series E46 Subwoofer Module Retrofit Guide From ChinaOBD2 Official Blog
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