Note: Porsche used six different DMEs on the 993 for the 94-95 model year. To order the correct chip, please match the numbers on top of the DME box with the corresponding list below.
The DME box is located on the floor under the left front seat. The numbers are printed on a label on top of the box with the word Motronic on top.
94-95 993 (all except some ROW 95s with VRAM)
(Euro/ROW 95s w/VRAM, go to selection at bottom of page, check your DME numbers)
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94-95
993
$595
Porsche DME# 993.618.123.01, 993.618.123.02, 993.618.123.03, 993.618.123.04, 993.618.123.05, 993.618.123.06 or
For manual and Tiptronic transmissions
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94-95
993
$595
Porsche DME# 993.618.124.03, 993.618.124.04, 993.618.124.05, 993.618.124.06 or
For manual and Tiptronic transmissions - (Drive blocked equipped cars*)
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* Drive block is the Porsche anti-theft system that disables the engine unless the alarm is deactivated.
96-98 ROW/Euro Version 993 (not for OBD2 cars)
(Euro/ROW 95s w/o VRAM, go to selection at top of page, check your DME numbers)
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95.5-98 Euro Version
993 3.6L
$595
Euro Version V-Ram
with 55-pin DME connector
includes Bosch DME #0.261.203.678
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95.5-98 Euro Version
993 3.6L
$595
Euro Version V-Ram
with 55-pin DME connector
includes Bosch DME #0.261.203.679 - (Driveblock equipped cars)
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* Drive block is the Porsche anti-theft system that disables the engine unless the alarm is deactivated.
Performed on a Dynojet 248x, a '95 993 dynoed with the stock chip the engine produces a max of 232 hp, or 273 hp corrected to the engine calculating for a 15% transmission loss (red curves). With our remapped chip, the engine now produces a max of 247 hp, or 291 HP corrected to the engine, a 18 hp gain over the stock chip (blue curves). In addition, broad range torque has increased from 10 to 20 ft-lbs throughout the rpm range.
*dyno tested with 91 octane
