BMW 4-serie 18d (GT)136 hp — Stage 1 file (+44 hp)
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Stage 1 file for BMW 4-serie 18d (GT)136 hp
Target +0 hp. Custom development for your engine.
Chip tuning for BMW 4-serie 18d (GT)136 hp ECU
BMW 4-serie (2013 - F32-F33-F36) 18d (GT)136 hp — premium diesel engine of the passenger segment of the BMW Group (Mini, Rolls-Royce, BMW Motorrad) group (Германия, 1916). Stage 1 chip tuning raises power from 136 to 180 hp (+44 hp, +32%) and torque from 320 to 420 Nm (+100 Nm). This engine ships with different ECU variants: Bosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. The ZF 8HPxx TCU is calibrated with a separate file — torque limiter and shift maps for Stage 1. In the CHIPOK database: 4 configurations · 4 ECU variants. The 2013 generation — mid-generation diesels on the EDC17 platform with OBD reading support and no need for Bench.
BMW has always emphasised driver engagement — a signature trait of the brand. DPF/SCR with AdBlue is standard on all Euro-6 BMW diesels.
On older and mid-generation BMWs, Stage 1 is flashed over OBD without Bench. Stage 1 on BMW usually stays within the standard timeframe, with no particular difficulty on the standard models. The BMW community is renowned for active tuning and a large pool of available Stage files. The mainstream base is the most refined chip tuning segment in Europe. The factory calibration is conservative, with headroom for Stage 1 and no hardware changes. Mid-range engines form the backbone of the range, and Stage 1 preserves engine life.
The TCU rarely needs recalibration up to Stage 1+, as the torque limiter usually copes with the Nm gain. The gearbox comes in versions by torque class, so its tolerance depends on the engine. BMW's main gearbox is a modern multi-speed automatic.
Frequently asked questions
What power gain do you get after chip tuning the BMW 4-serie 18d (GT)136 hp?
The Stage 1 gain for the BMW 4-serie 18d (GT)136 hp is 44 hp (+32%) over the stock 136 hp, for a total of 180 hp. Torque rises from 320 to 420 Nm (+100 Nm).
What is Stage 1 chip tuning for the BMW 4-serie?
Stage 1 chip tuning of the BMW 4-serie is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +44 hp with no hardware changes.
Can you do Stage 1 on the BMW 4-serie 18d (GT)136 hp?
Yes, Stage 1 for the BMW 4-serie 18d (GT)136 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.
How much does Stage 2 add on the BMW 4-serie?
Stage 2 on the BMW 4-serie 18d (GT)136 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which ECUs are found on the BMW 4-serie 18d (GT)136 hp?
The BMW 4-serie 18d (GT)136 hp was fitted with different ECUs depending on the year and trim: Bosch EDC17C41, Bosch EDC17C50, Bosch EDC17C56. The write method (OBD, Bench, Boot) is determined when the unit is read.
Is the ZF 8HPxx TCU calibrated together with Stage 1?
Yes, on the BMW 4-serie 18d (GT)136 hp the ZF 8HPxx TCU is calibrated with a separate file. The torque limit, shift maps, launch control rpm and clutch torque map are changed. The factory torque limiter in the TCU is usually below what the engine can deliver after Stage 1.
What happens to the BMW 4-serie warranty after chip tuning?
The factory warranty of the BMW 4-serie does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the BMW 4-serie take?
On the BMW 4-serie 18d (GT)136 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the BMW 4-serie?
Yes, the original ECU firmware of the BMW 4-serie 18d (GT)136 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the BMW 4-serie?
Stage 1 for the BMW 4-serie 18d (GT)136 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.