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BMW E28 Performance Chips, 1986-1995 Models

BMW E28 Performance Chips, 1986-1995 Models Our most popular product hands down with tens of thousands sold since 1995! We offer Performance Chips developed by legendary Bosch tuning expert Jim Conforti as well as our own dyno-developed Turner Motorsport custom chips. Turner Performance Chips provide the ultimate in performance advantage! Adding a performance chip to your BMW is the easiest and most cost effective way of increasing BMW power, torque, and performance with NO DOWNSIDES. Through years of BMW performance tuning, we are able to maximize power and torque gains for 91 octane fuel used in North America. By making changes in the ignition and fuel maps of the DME we are able to optimize performance with no side effects or compromises. On most models we also safely raise the rev limit and delete the top speed limiter. Other changes will make your BMW smoother and more responsive than when it left the factory. Our chips have a lifetime warranty and a 30-day satisfaction guarantee. If for any reason you are not fully satisfied with the increase in power and overall driveability you can return the chip to Turner Motorsport for a full refund. Chips are supplied with detailed instructions and are user-installed in about an hour.

FREE UPS Shipping is included with any Turner chip priced $249.95 or higher and shipped within the 48 US states. Free shipping applies to the performance chip only and is credited at time of checkout. Please note: for Air shipping, additional shipping charges will be applied when the order is processed.

Resources
Required Vehicle Info. Our chips are not universal. In many cases we need specific information from your car to ensure we supply the correct chip for your model, specifications, and upgrades. Click here before ordering your chip..

Chip Applications. TMS has over 210 unique chip files in our catalog! Click here to download the complete application list of Turner Motorsport Performance Chips (Adobe .pdf file).
Turner Motorsport Chip Upgrade Policy: Turner chips are upgradeable to newer versions for free within the first six months. After six months, the upgrade fee is $100, applicable for custom chips that are equal or less in value of the original purchase price of the chip being traded in. The upgrade program only applies to the original retail purchaser of the chip. This program only applies to software upgrades listed in our catalog and being purchased for the same model of vehicle. Chip trade-up applies only if the upgrades you are installing were purchased from Turner Motorsport. If the parts that require a custom chip are sourced elsewhere other than Turner, the upgrade program does not apply. This program does not apply to dealer/wholesale accounts. 

You're currently viewing parts for your (E28) 5-Series 1982-1988. Reset your chassis
For accurate results, specify your model below.
E28 535i Turner Motorsport Conforti Performance Chip The 3.5 inline-6 is a torquey car, however, it could be a little more powerful in the upper RPM range. With a Turner Performance Chip power is boosted at all RPM with a huge 29ft-lbs of torque gain at only 2000 RPM. This chip was tuned on the dyno to yield as much performance from this engine as possible and still maintain its strength and durability. Jim Conforti tuned the fuel and spark maps to take advantage of 91 octane gasoline. By making the engine more efficient with this fuel, gains in horsepower and torque are achieved as well as making the engine run smoother.

Turner Performance Chips provide the ultimate in performance advantage! Adding a performance chip to your BMW is the easiest and most cost effective way of increasing BMW power, torque, and performance with NO DOWNSIDES. Through years of BMW performance tuning, we are able to maximize power and torque gains for 91 octane fuel used in North America. By making changes in the ignition and fuel maps of the DME we are able to optimize performance with no side effects or compromises. Other changes will make your BMW smoother and more responsive than when it left the factory. Our chips have a lifetime warranty and a 30-day satisfaction guarantee. If for any reason you are not fully satisfied with the increase in power and overall drivability you can return the chip to Turner Motorsport for a full refund. Chips are supplied with detailed instructions and are user-installed in about an hour. See below for specific information that we may need from your BMW model.

1985-1988 535i M30B34
Horsepower Gain:+24 @ 5,000 RPM
Torque Gain:+29 @ 2,000 RPM
New Rev Limit6,600 RPM


Required Vehicle Info
E28 535i 85-88Bosch ECU part number, beginning with "0 261"
For Bosch ECU "0 261 200 059", we need to know the number of pins on the original chip.
manual or automatic transmission


This performance chip fits the following BMWs:
1985-1988 E28 BMW 535i 535is
Turner Motorsport
Part #: E28535
Price: $211.65 (USD) 
$249 (Sale - Save 15%)
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E28 528e, E30 325e Turner Motorsport Conforti Performance Chip

The 2.7 liter inline-6 is a torquey car, however, performance drops off greatly after 4000 RPM. With a Turner Performance Chip power is boosted at all RPM but most importantly in the upper RPM. The car really feels more alive! This chip was tuned on the dyno to yield as much performance from this engine as possible and still maintain its strength and durability. Jim Conforti tuned the fuel and park maps to take advantage of 91 octane gasoline. By making the engine more efficient with this fuel, gains in horsepower and torque are achieved as well as making the engine run smoother.

Turner Performance Chips provide the ultimate in performance advantage! Adding a performance chip to your BMW is the easiest and most cost effective way of increasing BMW power, torque, and performance with NO DOWNSIDES. Through years of BMW performance tuning, we are able to maximize power and torque gains for 91 octane fuel used in North America. By making changes in the ignition and fuel maps of the DME we are able to optimize performance with no side effects or compromises. Other changes will make your BMW smoother and more responsive than when it left the factory. Our chips have a lifetime warranty and a 30-day satisfaction guarantee. If for any reason you are not fully satisfied with the increase in power and overall drivability you can return the chip to Turner Motorsport for a full refund. Chips are supplied with detailed instructions and are user-installed in about an hour. See below for specific information that we may need from your BMW model.

Horsepower Gain +24 @ 4,500 RPM

Torque Gain: +28 @ 4,500 RPM

New Rev Limit: 5,300 RPM

NOTE: your car may have a replacement DME ending in 021. Our chips will work in this replacement computer as long as the existing chip is not soldered.

This item fits the following BMWs:
1985-1987 E30 BMW 325e 325es
1985-1987 E28 BMW 528e with build date of 09/1984 up to 09/1987

Turner Conforti Performance Chips
Part #: 027-000
Price: $169.15 (USD) 
$199.00 (Sale - Save 15%)
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on orders $199 and up
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E24 M6, E28 M5 Turner Motorsport Conforti Performance Chip

When the first M5 and M6 were brought to the U.S. they were de-tuned from their European brothers and sisters. That was a shame as the cars lost close to 40hp. But adding a Turner Performance Chip will get that lost horsepower back! Jim Conforti tuned these chips on the dyno to boost mid range torque and increase horsepower in the upper RPM range. As a result there is a 48 horsepower increase at 6000 RPM with a new rev limit of 7200 RPM! Conforti achieved this by tuning the car on the dyno, specifically changing the fuel and spark patterns in an effort to make the engine more efficient when burning 91+ octane fuel. Torque increases similarly in the heart of the powerband.

Turner Performance Chips provide the ultimate in performance advantage! Adding a performance chip to your BMW is the easiest and most cost effective way of increasing BMW power, torque, and performance with NO DOWNSIDES. Through years of BMW performance tuning, we are able to maximize power and torque gains for 91 octane fuel used in North America. By making changes in the ignition and fuel maps of the DME we are able to optimize performance with no side effects or compromises. Other changes will make your BMW smoother and more responsive than when it left the factory. Our chips have a lifetime warranty and a 30-day satisfaction guarantee. If for any reason you are not fully satisfied with the increase in power and overall drivability you can return the chip to Turner Motorsport for a full refund. Chips are supplied with detailed instructions and are user-installed in about an hour.
 

Horsepower Gain:+48 @ 6,000 RPM

Torque Gain:+32 @ 5,000 RPM

New Rev Limit7,200 RPM


This item fits the following BMWs:
1988 E28 BMW M5
1987-1989 E24 BMW M6

Turner Conforti Performance Chips
Part #: 079-000
Price: $211.65 (USD) 
$249.00 (Sale - Save 15%)
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