Z3-All Products

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

Our high quality 3" silicone couplers are perfect for attaching cold air intakes to your MAF sensor. These couplers are made from 4 ply reinforced ...

It's time to spice up the engine bay of your E36 with this anodized billet aluminum oil filter cap from ECS Tuning.  This heavy duty cap is a plu...

Solid bolt through 70D polyurethane trans mounts. Recommended for race use only.These trans mounts fit almost all BMW cars excluding the E30 M3 and...

When you think of the best name in the business, ARP is always at the top of the list. When rebuilding your engine for either track days or high ho...

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...

BMW isn't known to have the most robust coolant systems, but most of this can be fixed with regular preventative maintenance.  If you want to take ...

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...

If your BMW's clutch has started to slip it will need to be replaced. Some owners will opt to simply replace the clutch disc but we always find it ...

Adding a lightweight aluminum flywheel gives your engine the ability to rev up quicker due to less mass spinning. The Fidanza lightweight flywheel ...

Refresh your transmission and driving expereince with this complete E34 lightweight clutch kit. This kit includes everything you need to do the job...

Refresh your transmission and driving expereince with this complete E36 lightweight clutch kit. This kit includes everything you need to do the job...

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...

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...

Poly transmission mounts are a great way to tighten up your shifting experience. We have tested many mounts over the years and believe Revshift mak...

*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...

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...

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 popular upgrade on BMWs is to switch from a 3" MAF to a 3.5". The 3.5" MAF can be found on 540i, 740i and some porsche models. To accomplish thi...

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 ...

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...

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...

What do you get the guy that has everything? The final touch to his fan clutch delete. This machined cap is anodized black and covers the threads ...

Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production. The n...

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...

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...

**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...

Deleting the power steering on your E36 is a very popular modification especailly for track/race cars. By deleting the power steering you not only ...

Deleting the power steering on your M52, S50, S52 is a very popular modificaiton, especially for track or race cars. When you do this, you have to...