AMP Research Override Switch w/ STA1 Controller

AMP Research Override Switch w/ STA1 Controller

Marsoni

M251S

$169.99

Get it in 3 business days with 1 day shipping. Friday, May 29

AMP Research Override Switch w/ STA1 ControllerAMP Research 79105 01A Override Switch w STA controller (retrofit),will not fit w 75141 01A 75134 01A: 79105 01A. PowerStep Override Switch With STA1 Controller, Fits all kits except 75141 01A and 75134 01A Now you can manually control your AMP Research POWERSTEP with a temporary over ride switch. Whether deploying them to wash, or retracting them for off roading, the switch gives you the flexibility you want in a POWERSTEP. Controllers: 79105 01A

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1999 BMW 528i M52TU Engine. Pleasantly surprised and impressed. Everything fit as it should. Yes, one connector pipe took a bit more pressure to get it to "click" and lock, but it did click and lock..and better tight to insure no vacuum leak. Definitely works well and stopped the vacuum leak that old system had. Would recommend especially since price point might lead one to think that quality is not that good, but I'm glad I didn't spend any more on something else. Highly recommend.

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Reviewed in the United States on August 3, 2025

Verified Purchase

Trarell D. Williams

Battle Creek, US

★★★★★ 5

Test fit to make sure it connects

When I revived it I thought it had looked a little too small until I compared it, I test fitted it and at first I thought it was a tad bit bigger but realized the more I pushed it in the more it went very tight fit and my car is running healthy. Installation is a pain but go to YouTube and search the “” the 50’s kid”” Who has two methods to getting them on, I went the intake removal route to replace additional parts.

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Reviewed in the United States on January 8, 2020