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Volkswagen Passat Variant Bosch MED9.1 ECU Remap & Tuning

Power 295 HP / 220 kW
Fuel Petrol
Engine code BWS
Version R36 V6 FSI 4Motion
Model year(s) 2008

Vehicle

Make
Volkswagen
Model
Passat Variant
Model years
2008

Powertrain

Engine
R36 V6 FSI 4motion
Fuel
Petrol
Stock power
295 HP / 220 kW
Stock torque
360 Nm

ECU Identification

ECU
Bosch MED9.1
Clonable
Yes
KESS3 Protocols
Dealer access required Register

Live ECU tuning for the Volkswagen Passat Variant, with measured power and torque gains, a dyno preview, and the file options grouped into one focused page.

Original Tuned

* Estimated curve, illustrative only, not a measured dyno. Actual values will vary.

Stock Tuned Gain
Power (HP) 295 320 +25 (+8%)
Torque (Nm) 360 401 +41 (+11%)

* Estimated tuned figures from reference tuning data, not a measured result. Actual values will vary.

Available tuning options

Performance 4

Launch Control Only For VW / Audi MED9.1

Tune

Towing | Power

Switchable Pops and Bangs This option is only available for VW / Audi MED9.1. Also you must disable and remove the Catalytic convertor from the vehicle or it may fail and prevent any audiable pops being heard.

Pops and Bangs You must disable and remove the Catalytic convertor from the vehicle or it may fail and prevent any audiable pops being heard.

Emissions & anti-pollution 1

SAI (secondary air injection)

Driveability & comfort 4

Speed limit raised We take no responsibility for legal actions as a result of a raised speed limiter, this may be illegal in your country.

Exhaust flap off

Cylinder on Demand off

Hot start / Cold start fix

Services, files & hardware 6

Clone ECU Must supply reads of original and new ecu's. Must bench read.

High flow turbo charger You must also select towing or power tune.

Send us your ECU Includes standard bench fee processing for 1 ECU and NZ return freight. Include a send in ECU form fully filled out with your ECU.

Return file to original

Immo off (If possible)

Checksum correction

Installation and process

Choose the tuning package that fits your goals, confirm the vehicle and ECU, and request your files. Alt Tune then guides the read, write, and verification steps for your selected vehicle — whether handled remotely with a supported flash tool or on the bench.

Support, safety, and trust

Vehicle condition, maintenance history, fuel quality, and intended use all affect results. We only publish gains we can support for the listed configuration, and we ask that you confirm suitability for your vehicle and application before ordering.

Frequently asked questions

01 Can the Volkswagen Passat Variant Bosch MED9.1 be tuned?

This page describes an active entry in the Alt Tune catalogue. Which options apply depends on the control unit and the configuration actually fitted, and is confirmed after we review your file.

02 What gains can I expect?

This vehicle shows gains of up to +25 HP and +41 Nm over the factory figures. Real-world results vary with condition and fuel.