The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
BMW E31 850i Engine Electrical Parts
- Alternator
- Battery
- ECU
- Fuse Panel
- Ground Strap
- Harness
- Ignition
- Pump
- Relay
- Relays
- Sensors
- Starter
- Wire Covering
Allows the batteries gases to be vented outside of the vehicle rather than into the trunk.
Shut down quickly & remotely - required by many racing organizations
Used to house the various fuses of your vehicles electrical system
Stainless steel weld-in nut for any O2 sensor
Used in the fuse box
Quickly shut down your battery in an emergency.
You never know when you will blow a fuse so it always good to have extra
Quickly shut down your battery in an emergency.
Don't scratch your paint with your battery tender.
0.5-1.0mm , includes wire
Ensures connectivity between the factory telephone/bluetooth unit when SES module is not present
Displays battery health at all times.
20A
The needle nose design on these heavy-duty battery clamps ensure fitment in tight spaces for both 12-volt gas and diesel engines.
This product was last offered at the strikethrough price on
05-02-2026
The negative battery cable that provides a ground for your battery
For vehicles with a production date from 09/1992
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-07-2026