1991-1993 BMW M5 E34 +38HP Xtreme EPROM Performance Chip
STAGE 3 Xtreme EPROM PERFORMANCE RACE CHIP
Designed for the 1991-1993 BMW M5 E34
Stage 3 Xtreme Chip – Engineered specifically for Your Vehicle
This chip unleashes more power by re-programming the fuel mixture and timing parameters
of the engine management system. The rev-limit is lifted, giving your vehicle a broader power band.
Also Works with the 1990 M5 if it has the Stock Bosch Chip with code 1.267.356.412
Works with ECU code models:
Horsepower Gain:+38 HP
Raised rev limiter:7500 RPM
Top speed limiter removed
Requires Premium Octane Fuel
Compatible with both Manual and Automatic transmissions
Unlock your engine’s hidden potential! Typical gains include:
- Faster Acceleration / 0-60 Times
- Up to 3+ mpg increase
- 38+ Horsepower increase
- Better throttle response
- Installs in minutes
- Up to 35% added torque
- Reduced emissions
- Better 1/4 mile times
- Prolongs engine life
- Smoother idle
- Better towing power & improved passing ability
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?
Yes – Both.
Does this product work with 2WD or 4WD
It works on both types if your car has options
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.
How much horsepower will I gain?
- Results vary depending on vehicle condition, fuel grade used, etc., but will be around 38+HP.
- The chip recalibrates the ignition and fuel based on the variables such as the fuel octane,
- ambient air temp and other sensors in addition to driving style.
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!
How does this product work?
- It plugs into your ECU module, replacing the stock chip. The chip modifies signals sent to
- your vehicle’s ECU computer. It optimizes functions such as ignition timing, air fuel mixture, fuel maps
- and produces more power and better gas mileage. The ECU of modern vehicles controls many variables
- which ensure the best engine performance. It does this by reading values from a multitude of sensors
- within the engine bay, interpreting the data using multidimensional performance maps (tables), and adjusting
- the engine accordingly. It does this in real-time.
- 3 oz
1987-1992 BMW E36 325i/is E34 525i/is Bosch red ECU 413 +21HP Xtreme EPROM Performance Chip
1987-1992 BMW E30 325i/is E34 525i Bosch ECU 173 +22HP Xtreme EPROM Performance Chip
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