Fitment notes: Battery located in front trunk (frunk); European size battery; 207mm x 175mm x 190mm dimensions
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Control Modules — 1987 Porsche 911
Every control module on the 1984-1989 Porsche 911 — where it lives, replacement time, and what it takes to program a replacement.
Digital Motor Electronics (DME)1.2 hr R&Rno coding
📍 Engine compartment, left side near battery or under rear seat
⚠️ Bosch Motronic DME introduced 1984. Early systems (1984-1986) are purely analog/digital hybrid with fixed programming. Module replacement requires no coding, but may need EPROM chip transfer or replacement at dealer for specific calibration. 1987+ models have improved Motronic 2.x systems.
Anti-lock Brake System Control Unit (ABS)0.8 hr R&Rno coding
📍 Front trunk, left side near fender
⚠️ Optional equipment starting 1987 model year. Bosch ABS 2 system. No coding required, self-calibrating after installation.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1987 Porsche 911 3.2L H6 and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.