E39-Engine

If you are installing aftermarket headers, or a turbo manifold, it is most likely the stock exhaust studs will be too short.  Our extended exhaust ...

Our high quality 3" silicone couplers are perfect for attaching cold air intakes to your MAF sensor. These couplers are made from 4 ply reinforced ...

The BMW idle control valve does what the name implies, controls the idle.  When this fails you can get erratic idle speeds and possible check engin...

The fuel pressure regulator is a simple but crucial device.  It is placed between your fuel filter and your fuel rail to regulator the fuel pressur...

The center support bearing is a crucial component of your driveline.  There are usually two issues that occur that can make this part go bad.  1. t...

The fuel tank breather purge valve is a crucial component to your emission system.  When this fails you will receive check engine lights associated...

Over time the rear crankshaft seal can cause small or major leaks. If you are removing the transmission for a clutch job or any other reason, it is...

A failing mass air flow sensor can cause numerous check engine codes. The sensors measure the amount of air entering the engine via the intake.  Ma...

Oxygen sensors are vital for your engine to run correctly. They let the engine computer know how much fuel and air to mix to keep you running smoot...

The idle control valve grommet is an often overlooked maintenance item.  Over time with heat, the grommet cracks allowing vacuum leaks which causes...

Oxygen sensors are vital for your engine to run correctly. They let the engine computer know how much fuel and air to mix to keep you running smoot...

A faulty BMW camshaft position sensor is not only common, but can cause no start issues.  A bad sensor can also cause numerous check engine codes. ...

This grommet is a common failure point and can cause windshield washer fluid to leak on the ground.  Replace yours today with this high quality OE ...

This is a common crush copper crush washer gasket used all over the BMW engine. The most used application for this gasket is for the radiator auxil...

The PCV crankcase vent kit in the M54 engine is a crucial part of the engine.  Overtime the heat inside the engine bay causes cracks in the plastic...

When you have to deal with different fuel components, it can be a challenge to stop the fuel flow easily. This is especially true when replacing fu...

A faulty BMW camshaft position sensor is not only common, but can cause no start issues.  A bad sensor can also cause numerous check engine codes. ...

The rear main seal on our BMWs commonly leak and should be replaced.  It is also recommended to replace this seal anytime you remove the transmissi...

Help your engine breathe with a brand new air filter.  This OE replacement filter should be replaced once every 6 months depending on your driving....

Old, worn intake manifold gaskets can cause vacuum leaks which will lead to poor running engines and a common check engine light.  Replace your gas...

BMW introduced the VANOS system in the late 90s which controls variable valve timing for camshafts and later exhaust camshafts.  Over time, the sea...

This sensor monitors the engine oil level in your engine.  Replace your faulty sensor with this high quality OE replacement. We only use OEM brands...