Shark Injector installation instructions
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This product was last offered at the strikethrough price on
05-15-2026
This product was last offered at the strikethrough price on
05-15-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Shark Injector V2.0 Performance Software includes:
Performance software is a must-have upgrade on your E46 M3 and you won't find an easier and better software solution than the Shark Injector. This device plugs into the car's diagnostic port and flashes new performance files into your car's engine computer (ECU). There's no removal of the ECU and shipping, no cables, no laptop required - only a battery charger! Installation takes just a few minutes and your engine will perform like never before.
Building on the super-simple-to-use original Shark Injector, our new V2.0 capitalizes on this simplicity while heightening the driving experience with more power! Have a tune from the previous Shark Injector version - and want more power? Upgrades from Shark V1.0 to V2.0 are available. Give us a call and we'll be happy to discuss upgrades.
Our newest M3 performance software was developed on the dyno to create maximum power and torque using premium 91 octane fuel and revising the torque limiters in the ECU, although even more power is to be had using 93 octane fuel. The software makes changes to the ECU's maps and algorithms for fuel injection, ignition timing, VANOS and camshaft movement, and transitional fueling. We modify the maps for part throttle and full throttle so you get better response and more torque at all RPM, with serious power to be found over 4,000 RPM. By fine tuning these maps we've been able to improve the S54 engine beyond what BMW did by making more power and torque and a smoother-running engine. The top speed limiter is removed, and rev limiter lifted to 8,250 RPM.
E46 M3 Dyno
Power and Torque Gains
Stock software: 283 whp / 232 wtrq
Shark Injector V2.0: 301 whp / 243 wtrq
Peak gain 18whp and 11wtq
(note: the max gain (biggest improvement) is 22whp at 6400 RPM, with 16wtq at 5600 RPM)
The Shark Injector plugs into the diagnostic port inside the E46 cabin. With the battery charger supplying power, press the Upgrade button and within minutes the ECU is reflashed with the new performance tune. No other software product on the market comes close to how easy it is to install. You can use the Restore button to re-install the stock BMW software at any time. Detailed instructions are included. Other tuners require you to remove the ECU and ship it to them or use a laptop to read and write a new file. The Shark Injector is ready to install right out of the box!
Looking to maximize your power gains? Add a Turner IAT Relocation to combat power-robbing heat soak - the only true plug-and-play solution available. Heat soak is a real plague on consistent power for a stock or tuned vehicle. Click here to read more about our IAT relocation kit.
Shark Injector installation instructions
Shark Injector FAQ
This item fits the following BMWs:
2001-2006 E46 BMW M3 (US models only)
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
You may be able to upgrade the Shark Injector file to another version to better meet your tuning needs. Depending on the model we may have better tunes for things such as intakes, larger air sensors, camshafts, headers, and others. For a small fee the current Shark Injector tune can be removed and a new file added instead (the original Shark file you were using would no longer be available). To do this, we need the car restored to stock settings with the current Shark Injector and then returned to us (updating via USB is not yet available). Sharks that were not Restored to stock cannot be upgraded and the unit will be returned to you (at your expense). We also perform other work on the Shark Injector while it is here, including diagnostic tests and re-packaging with the most current instructions. The Shark that you get back is virtually new and ready to be reinstalled!
To get started, review the catalog of current Shark Injector files for one that better matches your tuning spec.
1. Enter the new tuning file in the form below. Include any other relevant information.
2. Click the Update Price or Add To Cart button.
3. Complete the online transaction with your address and payment information.
4. A Turner Motorsport sales rep will contact you after your order has been submitted. Do not send in your Shark Injector until someone has contacted you with a reference number and return shipping address.
Turn-around time for upgrades is typically the same day we receive it. UPS Ground is the normal return shipping method unless you specify faster shipping on your order.
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This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Benefits of Shark Injector Performance Software:
 E46 M3 Dyno | Power and Torque Gains Stock: 278.2 whp / 235.3 wtrq Sharked: 284.2 whp / 236.9 wtrq Peak Gain 6.0 rear wheel HP and 1.6 rear wheel Torque (note: the max gain (biggest improvement) is 9 rear wheel HP between 7000 and 8000 rpm) |
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Shark Injector Performance software includes:
E46 M3 Dyno | Power and Torque Gains Stock: 278.2 whp / 235.3 wtrq Sharked: 284.2 whp / 236.9 wtrq Peak Gain 6.0 rear wheel HP and 1.6 rear wheel Torque (note: the max gain (biggest improvement) is 9 rear wheel HP between 7000 and 8000 rpm) |
