E34-Engine

The stock rubber intake tube is known to crack because of the high heat in the engine bay and cause vacuum leaks. This HD high quality reinforced s...

The aluminum thermostat housing for the M5x/S5x engine familly is a very common upgrade. The stock thermostat housing is plastic and can crack ove...

BMW is not always known for their coolant systems. It is always a good idea to change your water pump as a preventative maintenance measure. Our M2...

There is no denying that SPAL electric fans are a great upgrade over the stock electric fan or mechanical clutch fun. But purchasing the fan is on...

Most of the time, the places you need to tap into the oil system aren't in the greatest position. It is usually in a spot that is hard to get to. ...

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...

Mixing the best of both worlds. Our regular tapped aluminum thermostat housing has become a fan favorite to easily add an aftermarket coolant gauge...

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...

Freshen up your engine bay with this OEM BMW ///M logo oil cap. This is also a great addition if your current oil cap does not seal properlly anym...

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...

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...

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 ...

There is no mistaking the 5 speed G260 transmission that came in the E30, E28, E34 and others are great transmissions.  They can hold a lot of powe...

Changing oil is an inevitable necessity on not just BMWs but all cars. It is not always the most glamorous job, but it must be done. If this is a...

Fuel starvation in high g corners, especially below a half tank, can be a major problem on track with your E30 or E36. This problem has now been s...

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...

We recommend this relay harness for wiring in single or dual high flow fuel pumps. This harness was built with the BMW 3-series in mind.  Wires ar...

We never stop looking for the best possible products for your car. Having a magnetic drain plug for your oil is essential in not only alerting you...

If you are running a high boost car or want to upgrade over the stock design, this little adapter is for you.  This aluminum ICV adapter fits in th...

Take out all the guess work with Rally Road's high-quality M5x turbo feed line.  These are made specifically for the M5x series of engines from the...

We never stop looking for the best possible products for your car. Having a magnetic drain plug for your oil is essential in not only alerting you...

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 ...

If you are trying to install a cold air intake on an older BMW that has a M20, M30, or M42 you may find it difficult has the MAF is square, and mos...

Finding an easy solution to tap into the oil system can often be a challenge but look no more. This vanos banjo bolt to AN fitting is the perfect s...

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 for an alternative to the plastic solid motor mounts on the market?  Revshift came out swinging and is now announcing their solid drift mou...

Deleting the stock PCV system is very common on the M50 and S50.  To clean up your build, Rally Road developed this PCV to AN adapter that fits snu...

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...

It's time to spice up the engine bay of your E36 with this anodized billet aluminum oil filter cap from ECS Tuning.  This heavy duty cap is a plu...

Ram air is the best air. These E34 headlight ducts are molded from high quality ABS plastic and are completley plug and play to your OEM headlight...