Supertech Valve Spring & Retainer Set | BMW | S42/M42/M50/S50/M52/S52/M54 (16V Kit)

Super reliable valve spring kits - highest quality, and always the best price! Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control. Supertech Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

Specs:

• TYPE: Dual Spring
• PRESS.SEAT: 67 @35.70mm
• MAX LIFT: 17.20mm
• COIL BIND: 18.50mm
• RATE: 12.90 lbs/mm
• RETAINER: RET-K20A2/T2
• SEAT LOCATOR : SEAT-BM50
• SPRING : SPR-H100DR-BM

Fits:

BMW
Year	Model	SubModel	Cylinders	Liter	Aspiration	Eng Desg.	Fuel	Notes
1991 - 1995	318I	ALL	ALL	1.8	ALL	M42	ALL	16Valve
1991 - 1995	318IS	ALL	ALL	1.8	ALL	M42	ALL	16Valve
1995 - 1995	318TI	ALL	ALL	1.8	ALL	M42	ALL	16Valve
2001 - 2006	325CI	ALL	ALL	2.5	ALL	M54	ALL	16Valve
1992 - 1995	325I	ALL	ALL	2.5	ALL	M50 M50TU	ALL	16Valve
2001 - 2005	325I	ALL	ALL	2.5	ALL	M54	ALL	16Valve
1992 - 1995	325IS	ALL	ALL	2.5	ALL	M50 M50TU	ALL	16Valve
2001 - 2005	325XI	ALL	ALL	2.5	ALL	M54	ALL	16Valve
1991 - 1995	525I	ALL	ALL	2.5	ALL	M50	ALL	16Valve
2001 - 2005	525I	ALL	ALL	2.5	ALL	M54	ALL	16Valve
1993 - 1993	525IT	ALL	ALL	2.5	ALL	M50	ALL	16Valve
2004 - 2005	X3	ALL	ALL	2.5	ALL	M54	ALL	16Valve
2001 - 2002	Z3	ALL	ALL	2.5	ALL	M54	ALL	16Valve
2003 - 2005	Z4	ALL	ALL	2.5	ALL	M54	ALL	16Valve

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov