E34-Engine

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 u...

OVER 1000 KITS SOLD! Have low fuel pressure or rough running engine? Have leaks or broken pintle caps? It may be time to rebuild your fuel injector...

Installing the OEM exhaust manifold studs can be a real pain. Since the stock studs do not have a drive end, you need to "double nut" them on and o...

I believe its almost impossible to remove the injector harness and not lose one of these clips. On top of that, when one pops off, it falls into th...

The achillies heel of the M5x and S5x BMW engines has been the oil nut. Over time vibrations and hard driving can make this nut back off causing l...

Have you ever gone to remove an exhaust stud and the stud and nut comes out as a pair? Have trouble installing exhaust studs by having to double nu...

Are you looking to push some serious air? There is no denying that BMW does not always have the best cooling systems. In fact one of the first th...

The health of your BMW injectors can cause a lot of issues including poor gas mileage, hot spots, cool spots, poor atomization, and lower horsepowe...

This little piece of foam is one of the biggest issues causing your sloppy shifter feel. This is one of the most neglected items in your shifter as...

If you have been following Race German for a while, you know I have an aviation background. Aviation products hold a higher standard for obvious re...

Over 1000 sold! A popular conversion on OBD2 M52/S52 engines, is to convert to the M50 intake manifold. The problem with this is, the OBD2 engine ...

Installing the OEM exhaust manifold studs can be a real pain. Since the stock studs do not have a drive end, you need to "double nut" them on and o...

Fuel hose can become brittle and crack over time. To prevent fires, it is a great idea to check your fuel lines with every oil change. If you see...

A very popular upgrade for track cars. By replacing your original 92 degree thermostat with a 80 degree thermostat, you are allowing the coolant t...

One of the biggest causes of check engine lights is vacuum leaks. The OEM rubber vacuum line gets brittle from the heat and the cracks cause leaks....

These copper corrosive resistant nuts are the perfect combo for our upgraded exhaust studs. Anytime you change your headers, you should replace y...

BMWs definitely aren't known for their cooling systems, but you don't have to lose sleep over it. All of these cars by now have seen quite a few mi...

A common modification is to delete the ASC from your E36 or E30 24v swap car. When you delete the ASC unit, you will need to swap this intake tube ...

The plastic bleeder screws that come standard on BMW cooling systems do their job pretty well. However, they can strip pretty easily if you're not ...

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...

We probably get more questions about how to wire up an electric fan properly than anything else. Because of this, we put together a SPAL EZ fan rel...

Bleeding your M5x engine can be a nightmare at times. BMW set up their cooling system with an external reservoir and bleeder screw. The problem wi...

The fan clutch delete modification on E36 6 cylinder engines (M50, M52, S50, S52), has become a very popular modification. By deleting the OEM fan ...

OEM BMW Oil filters. Simply that. Filters will be Mann or Meyle depending on availability.