Electrical Issues – Telling Simple From Not

This vehicle was sent to us by another repair shop with the concern that it did not start, or would only start intermittently. The battery, starter, and finally the key switch were replaced in an attempt to get it to start. In fact, the starter was replaced twice. Then it was towed to our workshop. Mystery? Had the battle is recreating the problem, which it did here. Mystery? Not really for the Atlantic Motorcar Service Team, we see these cars day in and day out, we specialize in knowing, not just guessing. And when you do the same thing again [...]

By | July 9th, 2018|Case Studies|Comments Off on Electrical Issues – Telling Simple From Not

Tech Tip – The Truth About Lifetime Transmission Fluids – “Oil is Cheaper Than Metal”

BMW, Mini Cooper Transmission Fluid There is a trend with many manufacturers to use so called “Lifetime” transmission fluids in their new cars. Audi, BMW and Mercedes have been doing this for years. The real question is what is a “lifetime”? If the lifetime of the car is the reference point, most owners will be sorely disappointed, for it seems to us that almost all of the fluids need service around 60K miles, far shorter than the lifetime of most European cars. While fluids and lubricants have doubtlessly improved over time, we suspect that the real reason for [...]

By | January 15th, 2018|Case Studies|Comments Off on Tech Tip – The Truth About Lifetime Transmission Fluids – “Oil is Cheaper Than Metal”

BMW and Mini Cooper Battery Replacement – Registering New Battery

Did you know that the BMW engine computer, known as a DME (Digital Motor Electronics) must be programed to know a new battery has been installed? Our Senior Service Technician Nick explains why. We’re obviously playing up the humor here, but the topic isn’t a joke, it’s a real issue. Otherwise the battery can under or overcharge, and cause premature battery failure. Older batteries become sulfated with time and require a higher charging rate. So unless the DME is notified a new battery is installed, it will often overcharge, and damage the new battery in short order.   [...]

By | January 15th, 2018|Case Studies|Comments Off on BMW and Mini Cooper Battery Replacement – Registering New Battery

BMW Engine – When Good Oil Pans, Go Bad – Oil Leaks

Drive Oil Level Data I title this when "Good Oil Pans Go Bad" to illustrate a point, 99% of the time, the engine oil pan does nothing but hold your engine's oil, but when the gasket between the engine block and pan fails, it's a bad thing. What Aside from the engine oil leak making a mess in your garage or parking space, and possible engine damage from low oil level, that oil has a nasty habit of finding it's way to your engine's catalytic convertor. Oil on a very hot item like a convertor at speed, aside [...]

By | March 13th, 2015|Case Studies|Comments Off on BMW Engine – When Good Oil Pans, Go Bad – Oil Leaks

BMW N62 4.4 Engine Oil Pump Problem and Update

BMW Engine Oil Pump – Here’s one for the record books, it’s actually the subject of a BMW Technical Service Bulletin, but our friends and colleagues in the BMW Tech Groups have not run across it yet, we seem to have been one of the few shops who has seen this in the “wild”. So, we thought we’d document this for the benefit of others. When changing the oil filter on the BMW N62 engine, keep your eyes open for bits and pieces of the engine oil pump check valve. Seems BMW has a problem with this, and part of [...]

By | August 25th, 2011|Case Studies|Comments Off on BMW N62 4.4 Engine Oil Pump Problem and Update