N54

February 7, 2018

Those Pesky N54’s!

Let’s just face it…. No matter how much you love your N54, it can be a headache… (more like a splitting migraine but we’ll be nice) Anyways, if you’re the least bit familiar with that pesky little thing, you know one of the most impportant maintenance items you can do is Walnut Blasting. If you’re – Read More –

September 15, 2015

BMW N54 Walnut Blasting Is Popular!

Years after introducing this as a premium service for all owners of the BMW N54 engine (see full list below), walnut blasting continues to be one of our most popular services with local BMW owners! For this reason, we are re-posting our original “inside story” article on how walnut blasting works, and why it is – Read More –

February 26, 2013

PSI Now Offering Walnut Blasting for N54/N55 Intake Valves

In every N54/N55 is plagued by the constant carbon build up on intake valves,and with every mile driven the build up is progressively worse. ┬áThis causes: Issues with drive ability Loss of power Idle inconsistencies Emission concerns This can be seen here in macro detail. (Before/After) Make your appointment with PSI now for this cleaning. – Read More –