BMW X1

May 19, 2017

PSI Now Offering AST Suspension – Kits In Stock

We are pleased to announce that we are now stocking the full AST Suspension line up! AST 1- Way 5100 Series (Rebound Adjustable) AST 2-Way 5200 Series (Rebound and Compression Adjustable, with a remote reservoir) AST 3-Way 5300 Series (Rebound, Low & High Speed Compression Adjustable, with a remote reservoir) AST Lowering Springs MOST BMW - Read More -

July 11, 2014

The Sakhir Journal 7.11.14

After two weeks with our new BMW M4, we are more smitten than ever. Here are more photos around the city, and a few of the M4 meeting some new friends. We’ll keep you updated every few days on the latest progress, including new parts and developments. Enjoy! ~ Team PSI

July 7, 2014

BMW X1 Photo Journal, Part I

One of our techs recently purchased a new X1 and has been steadily modifying it ever since. He even frequents track events with it, and we thought you might enjoy a comprehensive photo series of the evolution of the X1. Mod List (as of 7/1/14): X1 sDrive28i OEM M-Sport package JB4 Tune BC Racing Coilovers - Read More -