Z3-All Products

Are your rubber turbo coolant lines becoming brittle from the heat? When this happens it can cause leaks.  Rally Road is now offering a high qualit...

Attaching the oil drain line on our turbo can be a challenge.  Because of this, Rally Road created an extended turbo oil drain fitting to make it e...

Having a problem fitting your aftermarket turbo to your E36 6 cylinder engine? (M50, M52, S50, S52)? Rally Road has solved this solution using 3D m...

Looking to take your interior to the next level?  These upgraded emergency brake handles are made of high quality plastic or choose 100% real carbo...

Getting into drifting but not ready to install a full hydro setup?  This simple solution attaches to most BMW E brakes to give you the extension yo...

Having a quality quick release fire extinguisher mount in your race or drift car is important.  These machined aluminum mounts secure tightly to yo...

The plastic power steering cap on most older BMWs becomes brittle and starts to leak.  Our new CAD designed, billet machined aluminum power steerin...

The OG Knob - Machined here in house at KinematicSpeed HQ from high quality Delrin. Finished with machined dimples or smooth for added grip and a u...

The Shorty Knob - Machined here in house at KinematicSpeed HQ from high quality Delrin. The Shorty Knob provides a 334mm overall height from the ba...

Crisp up your shifts and reduce play with this high quality 5 speed selector rod (DSSR) from Kinematic Speed. Improve shift feel and ensure the mos...

Looking for the perfect companion to your Kinematic Speed Race shifter? Look no further with their brand adjustable selector rod.  Tailor your shif...

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 ...

One of the most common stripped bolt on the car are the stock brake rotor set screws on BMWs.  We decided to upgrade this part by now providing a s...

If you remember going to the hardware store as a child, I am sure you played with these thread pitch checker boards.  Now that you are an adult, it...

The Renown Therapy Shift Knob has finally arrived. Years in the making with dimensions tested in many different machines, in all driving experien...

The Renown Therapy SL is our second offering in our line of Therapy Shift Knobs. We wanted a curvier, taller, more uniquely styled knob, made loc...

If your BMW E36/Z3 is like most E36s at this point, this radiator switch plug has probably disintegrated into a million pieces.  You have probably ...

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

  Not all of us are a fan of wiring, so we decided to make it simple.  Installing an electric SPAL e fan is one of the best cooling upgrades you ca...

If you are a car guy, most likely you are not running your baby through the automatic car wash.  We like to wash our cars ourselves and this auto d...

A common issue on the S6S420G transmission from the E46 M3 and E39 M5 is slop from the 5th and reverse gear.  BMW realized this, and made a solutio...

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...

1989 - 1989 Audi 100 Quattro, 1989 - 1995 BMW 525i, 1993 - 1993 BMW 525iT, 1993 - 1995 BMW 530i, 1989 - 1993 BMW 535i, 1993 - 1995 BMW 540i, 1992 -...

1989 - 1989 Audi 100 Quattro, 1989 - 1995 BMW 525i, 1993 - 1993 BMW 525iT, 1993 - 1995 BMW 530i, 1989 - 1993 BMW 535i, 1993 - 1995 BMW 540i, 1992 -...

The MS Twin Disc Clutch Kits are designed to hold around 900 Nm at the wheels with organic discs. The two organic disc setup provides additional co...

The MB Clutch Kit assembly provides up to 80% increase in torque capacity and is ideally suited for aggressive street use and moderate track use.Th...

For consumers with moderately modified cars or performance driving styles. The MA Clutch Kits are an OE replacement Clutch Kit with added performan...

On the M52 (OBD2) intake manifold, BMW uses this inlets air temperature sensor to measure the temperature of the air and send it to the DME for fue...

On the M52 (OBD2) intake manifold, BMW uses this inlets air temperature sensor to measure the temperature of the air and send it to the DME for fue...

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...

If you are installing aftermarket headers, or a turbo manifold, it is most likely the stock exhaust studs will be too short.  Our extended exhaust ...

The OEM BMW water pump pulley on the M5x series of engines is plastic and can easily become brittle and break.  We have been selling our aluminum w...

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...

Are you looking to convert your OBD2 M52 or S52 to OBD1?  The OBD2 coolant pipe is press fit in with orings, while the OBD1 coolant pipe uses a tra...

The stock power steering pump pulley on our BMWs are plastic, and all though they do the job, over time they can become brittle and break, leaving ...