Home > TRANSMISSION PARTS AUTOMATIC TRANSMISSION KITS > Foreign (Germany) > BMW > BMW 4 Speed Transmissions > 4L30E 3 & 5 Series 1989-ON > Sonnax Valves & Tools > 5420001K 4L30E, AR25, AR35 VALVE ASSY, BOOST-MEDIUM RATIO
4L30E transmission medium ratio boost valve .630"	Transmission parts Competitors Price $56.18 Your Cost $56.18 Product Code: 400-05420001K Qty:

Description   4L30E transmission medium ratio boost valve. More Information Features Restores line pressure boost, preventing burnt clutches and burnt band. This is a direct replacement part for OEM #448.

Accessories/Related Items.... 5420006K 4L30E, AR25, AR35 VALVE ASSY, BOOST-LARGE RATIO Your Cost $50.98 Add 54200-12K 4L30E small ratio boost valve .564" Your Cost $32.90 Add Other Items..... 5420006K 4L30E, AR25, AR35 VALVE ASSY, BOOST-LARGE RATIO Your Cost $50.98 Add 5420014K 4L30E, AR25, AR35 VALVE ASSY, BOOST-SMALL RATIO Your Cost $51.92 Add 54200-12K 4L30E small ratio boost valve .564" Your Cost $32.90 Add

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