Performance upgrade for 3-serie F30/F31 (340i)

Salgspris43.990 kr
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Product Information:

for 340i / 340i xDrive with engine B58B30M0
and 240 kW / 326 hp standard performance
for cars with and without otto particle filter SA 01DE
performance: 279 kW / 380 hp
torque standard: 450Nm
torque AC Schnitzer: 540Nm
measured according to current test procedure WLTP/ Euro 6d-TEMP
specifications only when using at least 98 octane fuel

Philosophy / Engineering

Engine tuning and performance upgrades have a long tradition at AC Schnitzer. To be on the safe side however, we prefer not to extract the maximum possible power but instead ensure greater robustness, which means a longer life of the engine.

Many of our performance upgrades are therefore designed for an increase in torque rather than an increase in horsepower. Because torque is what you feel when for example you're "pressed back in the seat" on pulling away.

The performance upgrade consists of a control unit for retrofitting into the vehicle. The control unit ensures that the data is processed depending on the speed and accelerator pedal position and the values for boost pressure, track pressure and air mass are passed on to the standard engine control unit. The parameters are slightly increased by the AC Schnitzer performance increase.

This results in a model-dependent power increase of up to 20% of the engine and increases the efficiency of the engine.

During development, it is checked in which speed range the highest torque increase is achieved. This is followed by a controlled reduction of the changed parameters for the high speed range >5000 rpm. This prevents the engine from overheating during long, fast journeys.

The standard protection parameters for the engine are retained with the AC Schnitzer performance upgrade.

In addition, the AC Schnitzer performance increase also has extensive additional parameters for protecting the engine and drive train, such as cold-start and overheating control.

Cold Start Control
The AC Schnitzer performance upgrades are only activated from approx. 1000 rpm and from an oil temperature of 80° C.

Overload / Overheating Control
From a water temperature of 115° C, the output is automatically regulated back to the series output.

Extensively tested
AC Schnitzer performance upgrades undergo extensive test series on race tracks, test benches and in daily traffic. These test series last up to 9 months and several 10,000 km.


Performance upgrade installed - what happens to the warranty?
For all AC Schnitzer performance upgrades, AC Schnitzer provides a warranty depending on your home country up to 5 years and up to 120,000 km mileage on the assemblies moved by the engine. For M models, this warranty ends at 80,000 km. The warranty is free of charge for our customers.

This gives you reassurance in the event of an incident. Here you can find the complete Warranty Conditions.

Homologation Certificate
The parts homologation certificate is an official document which allows the use of tuning parts in public road traffic within the framework of the (StVZO) German road traffic licensing regulations (and some other countries). After installation or conversion of the part described in the certificate, the vehicle must be presented to an official inspection body. The inspector determines the correct installation and the authenticity of the part and subsequently enters the modification in the vehicle documents. The official operating license of the vehicle thus remains in force. The parts homologation certificate is part of the scope of delivery.

Scope of delivery:
- control unit with software programming
- vehicle-specific wiring harness with original plug connection
- incl. assembly guarantee: 3 years in Germany - up to 5 years internationally
- warranty terms
- aluminium sticker for the engine compartment
- sticker "efficient performance"
- certificate “Performance Upgrade”
- certificate of authenticity
- homologation certificate

Uniqueness of the AC Schnitzer performance upgrade
- Additional control unit with programming
- "Plug & Play"
- Optimized motor efficiency
- more performance = improved agility
- Warranty: 3 years in Germany - up to 5 years internationally
Here you can find our complete Warranty Conditions.
- homologation certificates for almost all performance upgrades
- Increasing torque is more important than increasing horsepower
- No need for maximum power to ensure the stability and longevity of the engine
- extensively tested
- Increased driving pleasure

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