BMW Performance Flash Software, 2005+ Models for BMW 5 Series E34 (1987-1995)

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The Fastest Way To More Power - Up To 120hp!!!

Our Performance Software makes more horsepower and torque with no downsides! Performance software is the icing on the cake, the finishing touch, or the capstone for your BMW tuning project. Software ties it all together - maximizing output from upgrades where the factory software can't keep up. The factory software is actually programmed around 87 octane which de-tunes the performance of the car. Our software is set to 91 as a mimimum, allowing us to be more aggressive with the programming. We can refine and adjust the factory limitations, opening up the potential for more horsepower or refinement from your current upgrades. We also tune the software to fix defects and rough edges in the stock software, making the car easier and more enjoyable to drive.

We have been tuning BMW software since 1995, making us one of the most experienced BMW tuners in North America. Over the years we have experimented and tested many different forms and brands of performance software, including developing our own on our Dynapack chassis dyno. Our Performance Software catalog includes tunes and upgrades that best suit your BMW and your upgrade goals.

Turner Motorsport Performance Flash Software features:
+ dyno developed, real-world tested
+ ignition and fuel timing adjustments
+ cam timing, including VANOS and Valvetronic
+ raised rev limit*
+ top speed de-limited*
+ part throttle and full throttle mapping
+ improved throttle response
+ specific software for most major upgrades - cold-air intakes, sport exhaust, etc
+ race software for removing catalytic converters**


* - on select models
** - not legal for street use, emissions liability waiver required
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E34 540i AT -12/94 Turner Conforti Performance Chip
For automatic vehicles with a production date up to 12/1994
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Conforti Performance Chips - Corporate Logo
T#:386623
Part#: 4040-4010
In Stock
Sale - Save 20% $ 249.99

This product was last offered at the strikethrough price on
05-03-2026

$ 199.96 USD
Free Shipping
Sale - Save 20%
$ 249.99

This product was last offered at the strikethrough price on
05-03-2026

$ 199.96 USD
Free Shipping
If you're looking for the easiest way to add power and torque to your BMW, a Turner Performance Chip is answer to your prayers. Dyno-tuned by BMW tuning legend Jim Conforti, these chips are designed to make the most of high-octane (91+) pump gas and boost mid-range torque and high-RPM horsepower. To make the most of these improvements, fuel and spark maps are fine-tuned to make your BMW perform better than it did when it left the factory. There is no downside to installing a Turner Performance Chip - each chip is designed to safely improve performance, while maintaining driveability and improving responsiveness. All chips are shipped with detailed instructions and are typically installed in an hour by an enthusiast with hand tools. Turner Motorsport and Jim Conforti have over 20 years of experience with making your BMW come alive with software tuning. Unlike eBay chips, Turner Performance Chips use extensively tested, carefully designed fuel & spark maps designed to get the most performance out of your BMW without risking engine damage or reducing driveability. Since 1995, Jim Conforti has been using his expertise to fine tune the BMW driving experience by finding more power and torque and improving throttle response. With over 10,000 units sold, it's no surprise that Jim Conforti is widely regarded as the leader in BMW chip tuning. Don't be fooled by imitators - your BMW deserves the best. BMW's all-aluminum M60 was a triumph of engineering when it was released. Lightweight, with a small footprint and packed with cutting-edge technology, the M60 V8 was impressive then and it's still impressive now. Jim Conforti has carefully tuned the Turner Conforti Performance Chip to safely give your M60-powered BMW more high-RPM horsepower and more mid-range torque where you need it most. Horsepower Gain: +19 @ 6,000 RPM Torque Gain: +33 @ 3,000 RPM Installation instructions included. Turner is so confident you will be delighted by your new no-downside power, torque, and overall performance, that they offer a 30 day money back guarantee on this product, serviced by ECS Tuning.
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