HANNOVER · MAIL-IN ACROSS GERMANY
Repair instead of
replace.
Faulty control unit, key or software? Diagnosis, repair and tested return shipping — often within 48–72 hours. Far cheaper than a new OEM part.
// WORKSHOP
Component-level diagnosis instead of costly replacement
// SERVICES
Six specialist fields.
One standard: precision.
From diagnosis to component-level repair — send your unit in by mail or visit us in Hannover.
ECU / Control Unit Repair
Diagnosis and repair of faulty engine and comfort control units — from 48-volt systems to BMW FRM or GM modules.
Airbag Control Unit Repair
Professional crash-data erase instead of expensive replacement — fast, tested, all makes.
Control Unit Cloning
1:1 transfer of all data to a replacement module — plug-and-play, no relearning at the manufacturer.
Chiptuning & Software
Map optimization for more power and efficiency — tailored to your vehicle.
Key Service
Coding, programming and cutting vehicle keys — even when all keys are lost.
Ignition Lock Repair
Diagnosis and repair of electronic ignition locks — specialists for Mercedes EZS/ELV.
// WHY EISENHAUER
Precision. Speed. Warranty.
Specialized
Automotive electronics is not a sideline — it is our core business, every day.
Express service
Fast diagnosis, short turnaround — mail-in handling on request.
Warranty
Every repair is tested and leaves the workshop with a warranty.
All makes
From compact cars to sports cars — solutions across manufacturers.
// ABOUT US
Your workshop for vehicle electronics.
Eisenhauer Performance is your partner for ECU repair, coding and software optimization in Hannover. What others replace, we repair — at component level, with professional equipment.
Whether workshop, dealer or private customer: you get an honest diagnosis, a clear price and short turnaround — by mail from anywhere in Germany if you prefer.
// CUSTOMER VOICES
What our customers say.
Michael W.
BMW 320i (E90) · FRM repair
Sent in the FRM module of my BMW — repaired and back within 48 hours, works perfectly. Far cheaper than a new part.
// ONLINE SHOP
Order modules & parts directly.
Tested control units, keys and accessories — in the Eisenhauer Performance online shop.
// CONTACT
Let's talk about your vehicle.
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