BMS Coolant Flange (N54, N53)

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Coolant Port Fitting Upgrade for BMWThis heavy-duty billet aluminum fitting is a direct replacement for the weak plastic factory coolant fitting which is prone to cracking and fail ure over time especially during disassembly. Replaces OEM part number 1537541992, 11537544638.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, 335xi• N53 (3.0L non-turbo motors)• 2006 - 2010 325i, 330i, 525i, 525xi, 528i, 528xi, 530i, 530xi / N52 X3 / N20 (2.0L turbo) Z4 2013 & upWhat's included(1) Billet Aluminum Coolant Port Fitting(1) Heavy-duty o-ring(1) Stainless steel hose clamp Show more