Billet Aluminum Coolant Port Fitting Upgrade for BMW bmw-3-series--g20-g21-g28--2019-2025--esr5838513 and Frequency output for JB4

and Frequency output for JB4 or flash tuning

Features 5-layer wire reinforced high temperature silicon that won't collapse under heat and vacuum like other similar appearing silicon intakes

2019 may also require an updated 2580 master chip (available here) if EWG wires trigger a startup fault code that clears until restarted

The tank is clear to allow visually checking the fluid level

07x10 socket head cap screw stainless

Billet Aluminum Coolant Port Fitting Upgrade for BMW bmw-3-series--g20-g21-g28--2019-2025--esr5838513 and Frequency output for JB4Metal Coolant Port Fitting Upgrade for BMW! This heavy duty billet aluminum fitting is a metal direct replacement for the weak plastic factory coolant fitting which is prone to cracking and failure over time especially during disassembly. It's only a matter of time until it fails. The factory plastic part heats and cools thousands of times and eventually becomes brittle and will crack and fail. Just a matter of time. 100% needed upgrade. Vehicle