Basic Performance Upgrades, or BPUs, are the parts we enthusiasts primarily pursue. Most folks don’t do engine building, honing, boring, fabrication, and extensive custom work themselves, and certainly not on their daily drivers. No one is going to break any records with BPUs, but that doesn’t mean they aren’t worth it. The simple formula of [...]
With most of the preventative replacements and maintenance, there isn’t much you can do to improve performance. However, once you’ve completed that maintenance, you can begin to modify your 135i with performance parts that give you more power and, in some cases, remedy some issues you might otherwise encounter. The 135i, especially the early N54-powered [...]
BMW has always been successful with their compact sports car platforms. It’s in their roots. As their models grew in size with every generation, they saw a need to create a new model that filled in the gap they had created with the bulking-up of their iconic 3-series. In 2008, the world was given the [...]
It was a dark time for the BFI team. Although the Passat had made it to ECS, Airline employees had driven the BFI forces to a panicked state and had lost the custom BBS wheels somewhere across the galaxy… After losing time and resources, Adam, Michael, and Noah were in no position to dawdle. Early [...]
BMW is no stranger to the turbocharged engine. From their early introduction of turbocharged road cars to current LMP cars, BMW has proven their forced induction engine variants in the hands of commuters and top-performing racing drivers. The N54 twin-turbo straight six is legendary both for its insane horsepower potential and often fragile nature when [...]
Oil catch cans are incredibly common, especially on highly modified engines. On forums, you can find several roundabout answers ranging from ‘it helps keep your engine clean’ to proclaiming ‘it will prevent your engine from blowing.’ These vague responses are lacking in real answers as to what the actual purpose of a catch can is and how it functions to benefit your engine. This is a case where people are giving sound, albeit, uninformed advice. So what does a catch can exactly do?
The coolant flange located at the rear of the Audi 1.8T cylinder head is the source of several common coolant leaks. Made of plastic, it bolts to the head with two threaded studs. In addition to holding the coolant flange in place the studs support a pair of tubing brackets, including a stand-off bracket [...]