Optimal Automotive

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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 Norfolk, 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.

Now driving much nicer following our stage 1 remap. If you’re looking for a performance boost for your a Ford Ranger, ge...
07/10/2026

Now driving much nicer following our stage 1 remap.

If you’re looking for a performance boost for your a Ford Ranger, get in touch via a DM.

Measured in 4th gear, these are the results from correctly applying exhaust gas temperature protection strategy to this ...
01/10/2026

Measured in 4th gear, these are the results from correctly applying exhaust gas temperature protection strategy to this Audi SQ5 TDI. The previous tuner had raised the limits to let the car perform stronger with a clogged DPF!

We do things right, not cheat. Slightly less performance, but safer for the engine.

Look at the area beneath the curves! +34bhp peak+70Nm at 3,600rpmLand Rover Freelander TD4 stage 1 remap from Braintree.
21/09/2026

Look at the area beneath the curves!

+34bhp peak
+70Nm at 3,600rpm

Land Rover Freelander TD4 stage 1 remap from Braintree.

This is the 231bhp version of the B48 engine. We unlocked the ECU, did the pre-tuning health check, then added a stage 1...
12/09/2026

This is the 231bhp version of the B48 engine. We unlocked the ECU, did the pre-tuning health check, then added a stage 1 off-the-shelf remap.

Measured in third gear, this engine gained 33bhp and 44Nm. The map should make 270bhp and 400Nm when tested in sixth.

G21 BMW 320d custom stage 1 remap with XF8.3 remap. A sensible and DPF safe result, making 25bhp and 79Nm.
07/09/2026

G21 BMW 320d custom stage 1 remap with XF8.3 remap.

A sensible and DPF safe result, making 25bhp and 79Nm.

26/08/2026

BMW 330i spark plug and coil packs change, for optimal peak horsepower.

Isuzu D-Max stage 1 remap from Haverhill. 2.4 seconds faster in our Dragy test is a respectable improvement for a safe t...
25/08/2026

Isuzu D-Max stage 1 remap from Haverhill. 2.4 seconds faster in our Dragy test is a respectable improvement for a safe tune.

We didn’t dyno test this one, but the estimated gains are around 30bhp and 60Nm.

Feedback following a custom stage 1 remap on this BMW 320i.
15/08/2026

Feedback following a custom stage 1 remap on this BMW 320i.

BMW 320i custom stage 1 remap from London. Big apology to the customer for this job taking longer than expected, I’ll co...
14/08/2026

BMW 320i custom stage 1 remap from London.

Big apology to the customer for this job taking longer than expected, I’ll cover why in a future post.

This is a rare 6-speed manual xDrive, so clutch slip is a consideration.

Settles on 274bhp and 413Nm. Mega gains.

BMW 120i stage 1 remap with gearbox map from St Neots. These results are from a ready-made remap, not custom tuned. I wo...
31/07/2026

BMW 120i stage 1 remap with gearbox map from St Neots. These results are from a ready-made remap, not custom tuned. I would expect another 20-30bhp could be made, depending on how well the OPF is flowing.

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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