E39-All Products

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...

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

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 ...

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...

Replacing your old, worn out injectors is a very good thing.  Unfortunately, many of these clips are rusted, or get lost in the engine bay.  Good l...

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 ...

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 ...

The OEM BMW water pump pulley on the M5x series of engines is plastic and can easily become brittle and break.  We have been selling our aluminum w...

The stock power steering pump pulley on our BMWs are plastic, and allthough they do the job, over time they can become brittle and break, leaving y...

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 ...

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...

These universal BMW injector retainer clips commonly fall into your engine bay where there is no retrieving.  Replace your lost or corroded clips w...

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 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...

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...

The M54 DISA valve is a great thing, but it has some faults from the factory.  In fact, if neglected, older DISA valves begin to rattle and the pin...

BMW isn't known to have the most robust coolant systems, but most of this can be fixed with regular preventative maintenance.  If you want to take ...

Hose clamps, hose clamps, we could have a whole discussion on these, but when it comes down to it, the last thing you want to do is use cheap big b...

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 ...

NEWS! We just upgraded to a top of the line ASNU fuel injector flow bench for the most accuracy and fastest turn around times.  The health of your ...

Looking to delete the secondary air pump/EGR valve on your E46 or E39? These delete plates are CAD designed and laser cut out of billet aluminum. T...

A very popular upgrade for track cars. By replacing your original 92 degree thermostat with a 71 degree thermostat, you are allowing the coolant t...

Poly transmission mounts are a great way to tighten up your shifting experience. We have tested many mounts over the years and believe Revshift mak...

*NOW OFFERING EXTENDED STUDS FOR AFTERMARKET HEADERS Installing the OEM exhaust manifold studs can be a real pain. Since the stock studs do not ha...

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...

A popular upgrade on BMWs is to switch from a 3" MAF to a 3.5". The 3.5" MAF can be found on 540i, 740i and some porsche models. To accomplish thi...

The stock water pump pulley is plastic from the factory and has been known to crack over time from heat cycles and stress. The water pump is an imp...

The stock pivot pin is made of plastic and over time, from use and heat cycles, the pin can wear down to a nub or shatter completely leaving you st...