E39-Engine

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...

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...

*NOW OFFERING EXTENDED STUDS FOR AFTERMARKET HEADERS Installing the OEM exhaust manifold studs can be a real pain. Since the stock studs do not hav...

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...

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...

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...

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...

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...

*NOW OFFERING EXTENDED STUDS FOR AFTERMARKET HEADERS Have you ever gone to remove an exhaust stud and the stud and nut comes out as a pair? Have tr...

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 thin...

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 ...

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...

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 c...

These universal BMW injector retainer clips commonly fall into your engine bay where there is no retrieving.  Replace your lost or corroded clips w...

*NOW OFFERING EXTENDED STUDS FOR AFTERMARKET HEADERS Installing the OEM exhaust manifold studs can be a real pain. Since the stock studs do not ha...

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

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

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...

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...

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...

Replacing your old, worn out injectors is a very good thing.  Unfortunately, many of these clips are rusted, or get lost in the engine bay.  Good l...

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 ...

This is the correct vacuum hose for your BMW. Do not try to use the standard size (1/8, 3/16, 1/4) vacuum lines from your local automotive store. 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....

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

The M54 DISA valve is a great thing, but it has some faults from the factory.  In fact, if neglected, older DISA valves begin to rattle and the pin...

If you are looking for a way to tap into your coolant system to install an aftermarket temperature gauge, than look no further. We use a brand new...

Over the years of the engine bay heat cycling, the injector plugs can become worn and brittle.  When this happens, the plugs can break, leaving you...