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BMW E36 320i Stage 2 file Bosch HW 0261200402 · SW 357949
1993 · Petrol · 150 hp (110 kW)
Choose your file
Dyno sheet
- Power
- 150 hp
- Torque
- 190 Nm
Typical crank figures for a healthy 320i. Results depend on the car's condition, fuel and parts.
- Power
- 150 hp 110 kW
- ECU
- Bosch
- Engine
- 320i Petrol
- File
- 32 KB BIN, ready to write
Bosch on the BMW E36 320i
Software and hardware
- Hardware
- 0261200402 Bosch's number for the ECU itself, on its label printed 0 261 200 402
- Software
- 357949 (1037357949) The software inside: your read must show this number
Built on request for the BMW E36 320i
- Catalyst off
- DTC off
- Speed limiter (Vmax) off
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- Read the file on your computer
- Look for it in our files
- Upload it, kept private
- Compare it with this file
From read to write
- Read the ECUKeep the read: it is your way back.
- Match the numbershardware 0261200402 and software 357949
- Pay and downloadThe file is in your account straight away.
- Write it backThe way you read it. Not right for your car? We correct it free.
Before you write the file
- A battery charger on the car: a write takes minutes and the voltage must not drop.
- Your own read saved twice, on two different drives: it is your way back.
- Your read shows hardware 0261200402 and software 357949 (1037357949), the same as this file.
- Fault codes read and noted before the write, and cleared after it.
- The same tool and connection you read the ECU with.
About this file
What this Stage 2 file is
This is a Stage 2 tune of the factory calibration of the 1993 BMW E36 320i (110 kW, 150 hp), for its Bosch ECU with hardware 0261200402 and software 357949 (1037357949). Stage 2 is written for a car with supporting parts fitted; if yours differ from the usual build, we match the file to them.
Stage 2 on the 320i goes further than Stage 1 and expects supporting parts: a freer exhaust or downpipe, a bigger intercooler and a clutch rated for the torque. Fit them first; on a standard car a Stage 2 file asks more than the parts give.
The BMW E36 320i carries the 320i engine, 150 hp and 190 Nm from the factory. On this engine, Stage 1 usually gives about 165 hp and 210 Nm (+15 hp, +20 Nm). Typical figures for a healthy engine: your car's own result depends on its condition, fuel and parts.
For software 357949 of the BMW E36 320i we sell the original, Stage 1 and Stage 2, each made from the same original read. Every file downloads straight after payment.
Read the Bosch ECU with your usual tool and keep the read: compare its hardware and software numbers with the ones on this page before you write the file.
Catalyst off, DTC off and speed limiter (Vmax) off can be added to this file on request, for off-road and competition use: send us your read through our file service and our engineers add them (any file £50, from £30 in packs).
Hardware 0261200402 is the number on the Bosch ECU's label. Software 357949 (1037357949) is the calibration inside it: a read with hardware 0261200402 and another software number needs a different file.
Questions
Which ECU does this BMW E36 320i Stage 2 file fit?
A Bosch ECU with hardware 0261200402 and software 357949 (1037357949). Check those numbers in your read before you write it; another software number needs another file, which our engineers can build from your read.
How is the Bosch ECU read and written?
With your usual reading tool, over OBD or on the bench as the tool allows. Write the file back the same way you read the ECU, and keep your original read.
What does Stage 1 give on the BMW E36 320i?
Usually about 165 hp and 210 Nm against 150 hp and 190 Nm stock (+15 hp, +20 Nm). Typical for a healthy engine, never a promise for one car.
Can you add catalyst off to the Bosch ECU file?
Yes, on request, for off-road and competition use: catalyst off, DTC off and speed limiter (Vmax) off. Upload a read through our file service and an engineer builds it (any file £50, from £30 in packs). The buyer is responsible for using it where the law allows.
What exactly is in the download?
A BIN file of 32 KB, ready to write. Write it with the same tool and the same connection you read the ECU with.
How do I get the file after paying?
It is in your account as an instant download straight after payment by card, Apple Pay or Google Pay: the BIN file, ready to write.
What if the file does not fit my car?
Send us your read and we correct it free, as many times as it takes. Questions before you buy are answered by a tuner on WhatsApp.
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