Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +9LB/FT gains!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3138899
Mfg#:
N3MS41
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with production date between 09/1992 and 12/1994 and Bosch DME # 0-261-200-413 For Vehicles with a Production Date Between 01/93 and 12/94.
Brand:
ES#:
3136948
Mfg#:
413-000
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
The next evolution of the proven MSPNP-Pro platform, built on the same trusted MS3Pro Technology used in high-performance motorsports applications worldwide
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
The next evolution of the proven MSPNP-Pro platform, built on the same trusted MS3Pro Technology used in high-performance motorsports applications worldwide
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Wake up your BMW with dyno-proven gains by Jim Conforti - +11HP +19LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with manual transmission and a production date from 01/1995 with Bosch DME #0-261-203-282 -- Satisfaction guaranteed! Includes 30 day mone
Brand:
ES#:
3098422
Mfg#:
282-400
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 10-27-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +11HP +19LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- For vehicles with manual transmission and a production d For Vehicles made up to 12/94 w/ Manual
Brand:
ES#:
3137211
Mfg#:
990-300
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 10-27-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- 21.5 lb/hr injectors & M3 camshafts
Brand:
ES#:
3137001
Mfg#:
4130-0008
In Stock
ON SALE!
SAVE 20%
$449.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- M3 camshafts
Brand:
ES#:
3136972
Mfg#:
4130-0002
In Stock
ON SALE!
SAVE 20%
$399.00
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +9LB/FT gains!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3195178
Mfg#:
N3MS41E
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- M3 muffler & lightweight flywheel
Brand:
ES#:
3136997
Mfg#:
4130-0005
In Stock
ON SALE!
SAVE 20%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with production date up to 12/1994 with 24lb injectors, and Schrick camshafts. Satisfaction guaranteed! Includes 30 day money back guarantee
Brand:
ES#:
3137174
Mfg#:
5060-3006
In Stock
ON SALE!
SAVE 20%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
