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Your Vehicle 1973 Mercedes Benz 450SL Base V8 4.5L

Shark Performance Software for your E39 M5

You've heard it all before - “Good, cheap, or fast: pick two.” It's time to forget all of that.

The Good – Shark Injector software is dyno-tuned by BMW expert Jim Conforti, designed to preserve driveability & prevent damage.

The Fast – Raises the rev limit and improves mid-range torque & high-RPM horsepower. Plug & play push-button installation in 30 minutes or less.

The Inexpensive – Dyno-proven double-digit gains in horsepower & torque, priced far less than other modifications.


Perform.

Fits: BMW
E39 M5 (2000-2003)

Shark Injector Performance Software
Performance software with a 7,400RPM rev limit and Euro throttle response. +15HP +12LB/FT gains when used with 91 octane fuel!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Shark Injector - Corporate Logo
ES#: 3138910
Mfg#: N4M5BMRL

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Aug 11, 2026
On SALE Save 10%
$349.00

This product was last offered at the strikethrough price on
05-02-2026

$314.10 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Shark Injector Performance Software
Performance software with a 7,400RPM rev limit and sharper "Shark-tuned" throttle response. +15HP +12LB/FT gains when used with 91 octane fuel!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand: Shark Injector - Corporate Logo
ES#: 3138901
Mfg#: N4M5

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Aug 11, 2026
On SALE Save 10%
$349.00

This product was last offered at the strikethrough price on
05-02-2026

$314.10 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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