Z3-Engine

**These radiators are getting very hard to get, and come in and out of stock very fast. If you are interested, please email us to ask if they are i...

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 onl...

When performing a drain and fill service on your BMW's manual transmission it is imperative that the drain and fill plugs be replaced to ensure lea...

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 anymo...

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...

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...

One of a major causes of failure on the BMW E36 is the coolant system.  Since the cooling system runs pretty hot, it is a pressurized system, the u...

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...

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...

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...

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...

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...

Big horsepower E36? You've come to the right place. The stock aluminum transmission brace is weak and can crack with higher horsepower or off road ...

M50 manifold conversions on OBD2 M5x/S5x engines are not only a popular swap but an easy modification to make extra horespower. This stainless ste...

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...

This little gasket may seem small, but it can cause a lot of leaks.  This gasket fits between your engine block and your oil filter housing.  These...

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...

These gaskets fit at the end of your headers to your exhaust midpipe.  Replace yours with these high quality OE replacements. Kit Includes 2 gasket...

Converting to a m50 (OBD1) intake manifold has been a proven worthwhile upgrade. The M50 manifold has shorter longer runners than the OBD2 intake m...

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 ...

When you think of the best name in the business, ARP is always at the top of the list. When rebuilding your engine for either track days or high ho...

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...

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...

One of the most popular modifications on the OBD2 M52 engines, is to M50 manifold swap it from an earlier OBD1 version.  The M50 manifold has short...

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