Sale!

Stage 3 Xtreme Performance Transmission Chip EPROM for 1991 BMW 850i E31

Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)

$89.95 $79.95

This chip upgrades the stock transmission ECU software, providing smoother shifting. Works with Transmission ECU code: ECU 0.260.002.125

Description

Xtreme Stage 3 Performance Tuning Chip EPROM for 1991 BMW E31 850i

Programmed Specifically for Your Vehicle

BMW Xtreme Performance Chip

 

Custom Chip Tuning

 

This chip upgrades the stock transmission ECU software, providing smoother shifting.

Works with Transmission ECU code: ECU 0.260.002.125

Compatible with Automatic transmissions only

Unlock your vehicle’s hidden potential! Typical gains include:

Smoother Shifting
Improved Acceleration
Better 0-60 Times

Includes everything needed to install

1 Stage 3 Xtreme Transmission EPROM Module
1 Instruction / Install Sheet

 

Frequently Asked Questions

 

Do I need any special tools or automotive knowledge to install?

No! the Xtreme Chip is 100% plug and play. It is tuned for your specific vehicle make and model. Beware of cheap $10-50 mega horsepower products. They are fake and are a plastic box with a .10 cent resistor.

 

Does this product work with automatic and manual transmissions?

Automatic only.

 

Will this product void my warranty?

No it will not void your warranty, many dealers frown on performance upgrades. However, the manufacturer cannot void your warranty for adding aftermarket parts.

 

Can this harm my engine or vehicle electronics?

No. Our products have been dyno tested and proven to work with no negative effects on the vehicle.

Additional information

Weight3 oz
Dimensions4 x 4 x 2 in

1 review for Stage 3 Xtreme Performance Transmission Chip EPROM for 1991 BMW 850i E31

  1. Rated 5 out of 5

    Samuel F

    Smoother shifting and better driving overall. Good buy

Add a review

Your email address will not be published. Required fields are marked *