This high-quality extension harness eliminates the need for messy wire splicing or "hacking" into your vehicle's sensitive electrical system.
2X Entries Into Our F80 M3 Sweepstakes
BMW M3 Engine Electrical Parts
- Alternator
- Battery
- Cruise Control
- ECU
- Fuse Panel
- Ground Strap
- Harness
- Idle Control Valve
- Ignition
- Pump
- Relay
- Relays
- Sensor
- Sensors
- Starter
- Throttle Body
- Wire Covering
This kit allows you to maintain your factory Intake Air Temperature (IAT) readings while upgrading the pressure-sensing element to 72.5 PSI capacity.
2X Entries Into Our F80 M3 Sweepstakes
This harness is specifically engineered for BMW N54 owners who are upgrading to a front-facing intake manifold.
2X Entries Into Our F80 M3 Sweepstakes
Fits into the back of the air intake box
10X Entries Into Our F80 M3 Sweepstakes
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
No core charge required
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
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
Featuring genuine BMW components to ensure factory performance and reliability
Used in the wiring harness for the battery distribution box
For Bosch 90A & 120A alternators only
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
Throttle bodies control the amount of air entering the intake manifold.
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
Keep the battery properly charged.
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
Restore your ignition system using Genuine BMW components
Includes refundable $180.00 core charge.
For Valeo 90A, 120A and 140A alternators only
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
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