Billet Aluminum Coolant Port Fitting Upgrade for BMW a8tuning 2011–2015 – BMW 740i –

2011–2015 – BMW 740i – N54 / N55

unrestricted airflow to maximize efficiency and power

When used together they provide the ultimate protection keeping oil from coating your intake ports and valves during all phases of engine operation

2010-2016 Porsche Panamera 971 V8 Twin Turbo

JB4 for Porsche Macan S

Billet Aluminum Coolant Port Fitting Upgrade for BMW a8tuning 2011–2015 – BMW 740i –Metal 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. The factory plastic part heats and cools thousands of times and eventually becomes brittle and will crack and fail. Just a matter of time. Applications N54 3. 0L twin turbo motors 135i, 335i, 335ix, and 1M N52 N53 (3.