1991 BMW 850i E31 Xtreme EPROM Performance Transmission Chip
STAGE 3 Xtreme EPROM PERFORMANCE RACE CHIP
Designed for the 1991 BMW
Stage 3 Xtreme Chip – Engineered specifically for Your Vehicle
This chip upgrades the stock transmission ECU software, providing smoother shifting.
Works with Transmission ECU code model:
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 EPROM Module, Custom programmed for YOUR vehicle
- 1 Instruction / Install Sheet
- 1 Antistatic Chip Case
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 for 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?
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.
- We guarantee this!
- 3 oz
BETTER: ST10PRO Stage 3 OBD GAS / DIESEL Performance Chip Programmer
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