E46-Engine

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...

There is no mistaking the 6 speed ZF transmission that came in the E46 330i ZHP, M3, and E39 M5 were great transmissions.  They can hold a lot of p...

One of the most requested kits we have been asked to put together is here.  Working with BMW and FCPeuro, these E46 shifter bushings kits are exact...

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...

Leaky oil pan gasket? This is a common issue on higher mileage BMWs.  Replace your gasket and get those oil stains off your garage floor with this ...

Have a weak hood strut on your E46 that keeps falling down and bumping your head?  Replace yours today with this high quality replacement.  We use ...

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 ...

The Braking Point Kit gives you everything you need to take control of the streets, or shave off seconds on your lap time.  The kit includes motor ...

If you are looking for the ultimate OEM plus mod, this is it.  The stock shifter on the E46 chassis, feels long, and with age can become very slopp...

If you know you know.  BMW used to this blue braided hydraulic clutch hose on all their cars, but recently superseded it to a generic (lower qualit...

The stock VANOS line is made of rubber and over time can cause leaks at the fitting clamp.  On top of that, the rubber hose can deteriorate with th...

Chase Bays BMW M50/M52/M54/S50/S52 Vanos Oil Line

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...

Since 2010, Radium Engineering's goal is to simply design and produce high quality aftermarket automotive performance products, and this catch can ...