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New: Bmw 135i and the 335i stg 1-3 is now available with the BMW I flash. This is basically the same great software that we use on the Saab V6 cars, but it is well tested and proven on over 4000 Bmw cars. We have a nice Stg 1 for these cars now. Price will be 599.00 to start !

New BMW Website at jzwbmwtuning.com

New ETS Intercooler for the Saab 93SS and the V6 93 ! Check products page !

New: Saab Runs 10.61 in America!

Fastest Saab in America, 10.61 at 139.54mph !

New! Available Now, V6 cars can now be tuned via my I-Flash software. I will send out the I-Flash module that will plug into the obd2 port and read the oem file. You will email me the oem file and I will email you back the tuned file that you will load up with the amazing software that allows you to load files, look at live DTC data, check and clear DTC codes. You will also have the ability to change and or remove the speed limiter and change the wheel size. The new software and I-Flash module will allow people to tune their car without having to touch or ship their ecu. V6 I-Flash-2 ready for sale

New! CJ makes 40 lbs a minute airmass through his Saab 93 V6 Aero near sea-level with 19T turbo and stg 5 tune. CJ 06 Aero with 19T making 40# per minute

New! V6 Launch Control Now Working, see movies for demonstration video

New! CJ puts down 304WHP with V6 stock turbo, full exhaust and intercooler, that is 357BHP and 457 ft-lbs of torque.

New! Eric puts down 332AWD WHP or 415BHP and 532Ft-lbs of torque with upgraded 19T turbo, stock injectors maxed out, time for more fuel to make more power, ran on 20 psi of boost only.

New! V6 CARS CAN NOW BE TUNED VIA MAIL, SEND IN THE ECU AND HAVE IT TUNED TO STAGE 1 FOR ONLY 399. THE ECU IS VERY EASY TO REMOVE, LESS THAN 10 MINUTES! SHIP IT OVERNIGHT AND BE DRIVING THE CAR IN TWO DAYS! CALL FOR DETAILS AND INSTRUCTIONS... Eric's Turbo X car makes 340bhp and over 440 ft-lbs of toque with stock turbo and 3 inch down pipe, 20% drive train loss for AWD applied, see graphs.

New!CJ's 06 V6 93 Aero puts down 357BHP and 456 Ft-lbs of torque with the stock turbo and 3" dp. An aggressive tune was developed via data logging and we got the fuel dialed in and no knock and really got it running strong. He made around 18psi on the road and the car pulled well, it fell off a little on the dynojet dyno and this is typical, he made 16psi and still made 304whp and 388wtrq.

New! Stage 3+ Gasoline Tune for the 210bhp model is complete, 2006 93, 2.0 car makes 289 BHP and 405 NM of Torque with 60# Siemans injectors and Stg 3+ Ecu Tune. The ETS intercooler is required for this tune along with the normal stage 3 hard ware, full 3" exhaust and Spec stage 2+ Clutch.

New! Audi/Volkswagen Tuning is now under development. Testing on the 05-08 Audi 2.0FSI engine class begins next week. Once dyno testing is complete, pricing and tuning information will be available. Since the Volkswagen turbo cars share the same TSFI 2.0 engine platform, this means GTI and other Volkswagen cars will be ready for the new tuning software from JZW.

New! Saab 2.8 V6 and Saab 9-7X tuning are now available. All GM vehicles from 1999-2011, the Chevy Duramax 6.6 Liter Turbo Diesel truck, Ford Mustang 4.6 and 5.3 Liter cars are now available for tuning. Contact us for pricing.

New Tuning Software Winols with Freiling Racing considered the best in the world and used by most professional racing teams from Nascar to professional rally teams.

NEW: Lawrence puts down 327bhp and 391ft-lbs of torque with JZW Stg3 E-85 tune at sea-level, car has 3" cut out on exhaust, front mount IC and JZW Stg 3 E-85 tune

New JZW-Tuner PPC Hand Held Tuner is available now. The tool is very easy to use and you just follow the simple instructions on the screen, new file tunes load in 3.5 minutes

Spec Clutches


Nice little video of the E85 Tuning Experience

Jeff Converts T8 car to E85

Lawrence Test out his new stg3 E85 at Sea-level

Lawrence Runs Stg3 E85 at Sea-Level

New: JZW is proud to introduce a step into the technological future, we are now offering the new JZW-Tuner, hand held PPC. New hand held tuning device will be available Sept 14th and will allow T8 and some t7 cars to be tuned via JZW-hand held tuner. No more shipping in the ecu, just plug in the JZW Tuner and you will be able to upload and store the stock ecu file for later use and upload two new JZW tunes, this might be a 91 octane and 93 octane tune, it might be a gasoline and E85 tune, it might be a fuel saving and power tune. You will be able to revert back to stock or the other two tuned files within minutes. The JZW-Tuner also works as a DTC Scanner and will clear DTC codes. The cost will be an introductory price of 699 for tuned stg 1-3 JZW-Tuner, this will come with two tunes of your choice and also allow the saving of the original file for times when you want to go back to the dealer, go through emissions or turn over to a driver that you may not want to have the extra power. Call and ask us about the new JZW-Tuner PPC today ! Jeff Hettings' 2006 93 E85 Stg 3 tune puts down 305bhp and 351Ft-lbs of torque on the dyno :-) E-85 is a great way to make more power safely, there are options for all 93 cars, flex fuel and two tune options with JZW-Tuner

Freiling racing software winols Viggen fuel map winols Winols tuning software JZW-Tuner PPC