Caterham Catherham Seven 2.0i 175 hp — Stage 1 file (+25 hp)

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Chip tuning for Caterham Catherham Seven 2.0i 175 hp ECU

Caterham Catherham Seven (2005) 2.0i 175 hp — sports petrol engine of the passenger segment of the Caterham Cars group (Великобритания, 1973). Stage 1 chip tuning raises power from 175 to 200 hp (+25 hp, +14%) and torque from 188 to 218 Nm (+30 Nm). The 2005 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.

The Caterham Seven is an iconic track car based on the Lotus Seven. Founded in 1973. Caterham builds lightweight track cars and sports cars. Caterham's petrol range relies mainly on bought-in engines (Ford, Honda, Toyota).

The Caterham community is a niche track scene with bespoke calibrations. Mid-range Caterhams are rare — the brand goes straight to the high-output segment.

Frequently asked questions

What is the Stage 1 effect on the Caterham Catherham Seven 2.0i 175 hp?

The Stage 1 gain for the Caterham Catherham Seven 2.0i 175 hp is 25 hp (+14%) over the stock 175 hp, for a total of 200 hp. Torque rises from 188 to 218 Nm (+30 Nm).

What is Stage 1 chip tuning for the Caterham Catherham Seven?

Stage 1 is a software optimization of the factory ECU firmware of the Caterham Catherham Seven with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +25 hp with no hardware changes.

What is the risk of Stage 1 on the Caterham Catherham Seven 2.0i 175 hp?

A remap of the Caterham Catherham Seven 2.0i 175 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Caterham Catherham Seven 2.0i 175 hp?

Stage 2 on the Caterham Catherham Seven 2.0i 175 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Does the factory warranty of the Caterham Catherham Seven remain valid after Stage 1?

After remapping the Caterham Catherham Seven, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Caterham Catherham Seven?

Reading and writing via OBD takes 25-30 minutes on the Caterham Catherham Seven. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Caterham Catherham Seven?

Before Stage 1 the original of the Caterham Catherham Seven 2.0i 175 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Caterham Catherham Seven 2.0i 175 hp cost?

The remap price for the Caterham Catherham Seven 2.0i 175 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno