Optimal Automotive

Optimal Automotive Unlock your cars full potential with our engine and gearbox remapping, road dyno testing and custom tuning services.

At Optimal Automotive, we specialise in car remapping, transforming vehicle performance using advanced ECU remapping techniques and custom dyno tuning. With over 170 five-star Google reviews, we’re trusted by drivers across the region for delivering exceptional results. As the only dedicated car remapping company in Haverhill, we proudly serve Suffolk, Essex, Cambridgeshire, Hertfordshire, and Nor

folk, offering an exceptional level of expertise.

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Our focus is on providing high-quality car remaps paired with a friendly, professional service. Every remap includes a 7-day, no-quibble money-back guarantee, so you can feel confident choosing Optimal Automotive for car remapping or van remapping.

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With flexible payment options, upgrading your vehicle’s performance with a remap has never been easier - enjoy smoother driving and enhanced power spread over manageable monthly payments similar to the price of a tank of petrol.
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If you’re looking for peak performance and a company that puts your needs first, you’ve found the right place.

Volkswagen Transporter Stage 1 remap Sudbury. This motorhome is nearly ten seconds faster 30-70mph than before. This is ...
08/06/2026

Volkswagen Transporter Stage 1 remap Sudbury. This motorhome is nearly ten seconds faster 30-70mph than before. This is not about peak horsepower, but this calibration is around 165bhp.

03/06/2026

Volkswagen Polo GTI burble map. As this is a Japanese import, the ignition tables needed to be changed to EU spec - so it was quite a lot of work.

We’ve done a few jobs on this VW Polo GTI from Haverhill. ✅ Diagnostic✅ Datalogging✅ On-road dyno tests using our Dynopr...
03/06/2026

We’ve done a few jobs on this VW Polo GTI from Haverhill.

✅ Diagnostic
✅ Datalogging
✅ On-road dyno tests using our Dynopro
✅ Smoke test to identify boost leak
✅ Added a burble map and updated the ignition maps to EU spec

In a few months, the owner plans to get a stage 1 remap and DSG remap.

Mercedes Benz C220d stage 1 remap and 7-G Tronic gearbox remap. These engines don’t make massive gains at stage 1, but t...
21/05/2026

Mercedes Benz C220d stage 1 remap and 7-G Tronic gearbox remap.

These engines don’t make massive gains at stage 1, but they do feel a lot smoother across the whole rev range.

DM me for Mercedes remaps on Cambridgeshire

19/05/2026

BMW 520i stage 1 remap results. DM me for BMW b48 remaps

BMW 520i custom stage 1 remap and ZF8 gen3 gearbox remap. Making an astonishing 310bhp and 431Nm measured using our Dyno...
16/05/2026

BMW 520i custom stage 1 remap and ZF8 gen3 gearbox remap.

Making an astonishing 310bhp and 431Nm measured using our DynoPro road dynamometer.

Thanks to the owner for driving four hours each way from South Wales.

DM me for all your B48 tuning needs.

BMW 330i custom stage 1 remap with XF8 gen 3 gearbox remap. After datalogging the engine, we made a bespoke calibration ...
13/05/2026

BMW 330i custom stage 1 remap with XF8 gen 3 gearbox remap.

After datalogging the engine, we made a bespoke calibration yielding 37bhp and 65Nm measured using our DynoPro road dynamometer in 4th gear.

Get in touch for all your BMW b48 tuning needs.

BMW 320i with the N20 engine and a sports cat. This one had our custom engine and gearbox tuning, health check, datalogg...
11/05/2026

BMW 320i with the N20 engine and a sports cat.

This one had our custom engine and gearbox tuning, health check, datalogging, and tested using DynoPro.

+77bhp
+159Nm
2s faster 30-70mph in 3rd gear

Peak numbers don’t tell the full story…We re-tuned this Mercedes E350CDI and added a gearbox remap. This car had a few i...
06/05/2026

Peak numbers don’t tell the full story…

We re-tuned this Mercedes E350CDI and added a gearbox remap.

This car had a few issues on the old tune, which we ironed out, and added more power.

✅ 10-17bhp across the whole power curve
✅ 47Nm extra

This calibration is expected to make 275-280bhp in 5th gear test.

BMW 320d, custom tuned by us to a very respectable 226bhp and 512Nm. We have tons of experience with N47, B47, M57 and N...
02/05/2026

BMW 320d, custom tuned by us to a very respectable 226bhp and 512Nm.

We have tons of experience with N47, B47, M57 and N57 diesel engines. You’re in safe hands if you want decent tuning for your diesel BMW.

Address

Hill Lane
Haverhill
CB97XP

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm
Saturday 8:30am - 12pm

Telephone

+447361228082

Website

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