Z3-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 achilles 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 los...

The ZF310/ZF320 transmission from the E36 328i and M3 have been known to have shifter issues over the years. If you have been experiencing a sloppy...

This little adapter is a life saver. Made from stainless steel hex stock, this adapter fits into the stock location on your oil filter housing and ...

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...

Getting rid of your Secondary Air Pump (SAP) and eliminating the EGR system on your M52/S52? These block-off plates are what you need. The EGR syst...

NEWS! We just upgraded to a top of the line ASNU fuel injector flow bench for the most accuracy and fastest turn around times.  The health of your ...

Looking to delete the secondary air pump/EGR valve on your E46 or E39? These delete plates are CAD designed and laser cut out of billet aluminum. T...

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 ...

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...

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...

There is no mistaking the 5 speed ZF transmission that came in the E36, E39, Z3, and E46 were great transmissions.  They can hold a lot of power, a...

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....

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

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...

**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...