Editing Openai/6940b2df-db80-8003-b707-4cc5cbedf6d9 (section)

=== BMW 2007 328i (E90, N52) ===

This covers removing the damaged main positive cable, installing a correct replacement, and integrating it with your new A46 power distribution box so voltage integrity is restored end-to-end.

==== You are replacing the main rear positive battery cable that: ====
* Bolts to the A46 rear power distribution box
* Runs forward under the car
* Feeds: - Front jump post - Starter - Alternator / engine bay distribution

This cable is one piece from rear to front. Damage at the rear lug = entire cable compromised.

==== ### ====
* OEM BMW rear positive battery cable
* Correct gauge, insulation, routing, strain relief
* Zero guesswork

BMW part numbers vary by production date and options, but this is typically listed as:

: 

When ordering, specify:
* 2007 BMW 328i E90
* N52
* Trunk-mounted battery

(If you want, I can pull the exact part number by VIN.)

===== - Custom-made 1/0 or 2 AWG automotive battery cable =====
* Professionally crimped lugs (hydraulic crimp)
* Correct grommets + abrasion protection
* Routed exactly like OEM

No Home Depot cable. No hammer crimps.

==== - 10 mm, 13 mm sockets ====
* E-Torx set (for underbody brackets)
* Trim removal tools
* Torque wrench
* Jack + jack stands or ramps
* Flashlight
* Zip ties (temporary only)
* Multimeter