Z3-Engine

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...

Looking to upgrade your plastic pulleys for lightweight aluminum? The stock pulleys on these BMW engines become brittle and break with use and heat...

One of the first modifications I do to any E36 is upgrade to the Z3M S54 Radiator. This radiator features a 42mm core instead of the stock 34mm co...

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...

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...

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

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. ...

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...

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...

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...

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...

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...

If it has not happaned already, soon these plastic radiator brackets for your E36 will break causing your radiator to move.  This could potentially...

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...

I love goooooold. This high quality gold heat tape is the perfect solution to wrap and protect wires, cables, hoses, fuel lines, intakes, charge pi...

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...

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...

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...

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 ...

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...

There are not many times we have purchased a used BMW, and these BMW beauty cover caps are in place.  With the caps missing, it leaves an unsightly...

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...

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 ...

If you're looking for stiffer motor mounts for your E36/E46/Z3, this is it. We have used and tested all different types of bushings over the years,...

This is a common crush copper crush washer gasket used all over the BMW engine. The most used application for this gasket is for the radiator auxil...

The ICV system on the M50 manifold is not so robust, and if your BMW is boosted, you know that these lines can blow off.  This completely M50 manif...

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...

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...

If you are performing and engine swap, or just replacing your worn clutch hose firewall grommet, this is the part you need.  This grommet is placed...

If your thermostat housing is leaking, it is most likely this gasket.  This fits in the groove of your thermostat housing which sandwiches between ...

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...

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...

OVER 1000 KITS SOLD! BMW introduced VANOS in the early 90s, and it added variable valve timing to their famous straight six. Over time the VANOS un...

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

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...

Looking to dress up your engine bay?  Look no further.  Our billet aluminum air conditioning service port cabs are CAD designed and machined out of...

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...

BMW has been using this shifter cup in almost every generation BMW.  If your shifter feels sloppy or loose, it could be a worn shifter cup.  These ...

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...

The center support bearing is a crucial component of your driveline.  There are usually two issues that occur that can make this part go bad.  1. t...

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 ...