E39-Engine

Are you adding a custom exhaust to your BMW or repairing your old one?  You might need to add a custom O2 sensor exhaust bung.  These high quality ...

This aluminum heat tape is flexible with a super strong adhesive backing. This will thermal insulate up to 2000 degrees F. Made of one mil aluminiz...

Looking to have your BMW fuel injectors rebuilt but don't think you have the tools or are up to the task?  No problem.  We are now offering an inje...

If you're looking to add that little extra touch to your engine bay, then our deluxe exhaust stud nuts may be what you're looking for. These exten...

Added by popular demand, our deluxe magnetic drain plugs are now kitted. Not only do you receive an oil drain plug, differential plug, and trans p...

These mounts are designed for an E39 with a M52 or M54 engine. Revshift polyurethane motor mounts are made in the U.S.A. from high grade polyuretha...

There are many reasons you may want to convert your rubber fuel line to an AN system, and this adapter makes it a breeze.  Add an aftermarket fuel ...

The Revshift M3 exhaust hanger insert is made from our 80A polyurethane. This part fits into the oem exhaust hanger. It prevents the hanger from sa...

Looking for the perfect companion to your Kinematic Speed Race shifter? Look no further with their brand adjustable selector rod.  Tailor your shif...

Replacing your engine air filter in a BMW is common maintenance, but unfortunately these little spring clips can be hard to remove.  At times they ...

A common issue on the S6S420G transmission from the E46 M3 and E39 M5 is slop from the 5th and reverse gear.  BMW realized this, and made a solutio...

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 ...

Attaching the oil drain line on our turbo can be a challenge.  Because of this, Rally Road created an extended turbo oil drain fitting to make it e...

Having a problem fitting your aftermarket turbo to your E46 6 cylinder engine? (M54)? Rally Road has solved this solution using 3D modeling and CAD...

3 things make your engine work; fuel, spark, and air. By increasing the amount of airflow and reducing the temperature you can increase torque and...

CSF Radiators are known to be the cooling experts, and this all aluminum E39 radiator is no exception. CSF Radiators are made from military grade a...

Adding a lightweight aluminum flywheel gives your engine the ability to rev up quicker due to less mass spinning. The Fidanza lightweight flywheel ...