BMW 335D/435D/535D/40D CUSTOM REMAP SPECIALISTS

If you're driving any of these models, we can transform the performance of your BMW and unleash it's full potential!

Custom Tuning On Our 2000BHP Linked 4WD Dyno.

We are one of the UK’s highest-rated tuning companies, dedicated to maximizing your vehicle's power while ensuring its reliability. We make tuning easy, offering packages from Stage 1 to Stage 3. With our dyno-proven results and outstanding customer ratings, you can trust that your vehicle is in safe hands.

We are Cambridgeshire's highest rated tuners!

Fast turnaround - Same day available

Lifetime software warranty

Interest free payment plans available

Custom tuning on our 2000bhp linked 4wd dyno

We are one of the UK’s highest-rated tuning companies, dedicated to maximizing your vehicle's power while ensuring its reliability. We make tuning easy, offering packages from Stage 1 to Stage 3. With our dyno-proven results and outstanding customer ratings, you can trust that your vehicle is in safe hands.

We are Cambridgeshire's highest rated tuners!

Fast turnaround - Same day available

Lifetime software warranty

Interest free payment plans available

As seen on Living Life Fast...

Ricky was blown away by our 420bhp, 800Nm Stage 2 435d.

We had the privilege of showcasing our client AJ's stunning 435d on one of the UK's biggest car channels, with 400,000 subscribers and millions of monthly viewers.

This build was truly special, with us handling everything from performance upgrades to lowering, exhaust mods, and visual enhancements.

Check out the video below!

More Performance, Less Fuel

More Performance, Less Fuel

Image

"To say I'm happy is an understatement''

Our client Ted recently did his homework on our business and made the decision to drive over two hours to have a Stage 2 performance package installed on his BMW 435d.

To make his visit more convenient, Ted stayed overnight at a local hotel, and we provided him with one of our complimentary courtesy vehicles while we transformed his car.

By midday the next day, Ted’s 435d was pushing an impressive 400bhp and 800Nm of torque, with a 0-60 time of just 3.7 seconds! But that’s not all—on his drive home, Ted reported an unexpected bonus: a fuel efficiency improvement of over 3mpg.

With over a decade of tuning experience, we've consistently found that tuning diesel engines—especially with our Stage 2 packages—not only boosts performance but also improves fuel economy thanks to the increased torque.

At Ecomax Tuning, we take immense pride in delivering top-tier service to every client, ensuring they leave with a smile and a high-performance vehicle to match!

Prices & Packages

Stage 1 £280 (or 4x £70/month)

360 bhp 700nm, Custom Remap, Lifetime Software Warranty, Sports Display Recalibration, Speed Limiter Removal, Pre-Tuning Health Check.

Stage 1+ £350 (or 4x £87.50/month)

370 bhp 750nm, Custom Remap, Lifetime Software Warranty, Sports Display Recalibration, Speed Limiter Removal, Pre-Tuning Health Check.

Stage 2+ £1950 (or 6x £325/month)

400 bhp 850nm, Custom Remap, MTC Uprated Intercooler, K&N Panel Filter, DPF Delete Downpipe or DPF Guttering (Off-road Use Only), XHP Stage 3 Gearbox Remap, 4wd Linked Dyno Before & After Report, Lifetime Software Warranty, Sports Display Recalibration, Speed Limiter Removal, Pre-Tuning Health Check.

Stage 3+ £3950 (or 6x £658/month)

430 bhp 950nm, Custom Remap, Falcon Stage 2 Hybrid Turbos, MTC Uprated Intercooler, K&N Panel Filter, DPF Delete Downpipe or DPF Guttering (Off-road Use Only), XHP Stage 3 Gearbox Remap, 4wd Linked Dyno Before & After Report, Lifetime Software Warranty, Sports Display Recalibration, Speed Limiter Removal, Pre-Tuning Health Check.

Add A Dyno Session £100 (or 4x £25/month)

4wd Linked Dyno Before/After Report, View Stock Power & Full Result, Fine Tune & Push For Extra bhp.

*Custom exhausts available on all packages

Spread the cost of your remap with flexible, interest-free options

Pay in 4 easy installments over 4 months (no credit check, up to £1,000) or choose 6 or 12 months with a credit check.

Affordable, simple, and ready for you today!

Want More Horse Power Like These Guys...

6

DEDICATED STAFF

10+

YEARS TUNING

400+

HAPPY CLIENT

10000+

VEHICLES TUNED

Frequently Asked Question

Is it safe to remap your vehicle?

All our remaps are safely within the tolerances of a healthy engine and turbo. We perform thorough health checks both before and after tuning. These engines can handle up to 550bhp and 1000Nm, so our packages remain well within safe limits.

Is it legal?

Yes tuning your car is legal! However for your vehicle to be road legal your require all of your emissions systems to be in place including your DPF so if you choose the stage 2 or stage 3 packages this is for off road use only.

Can you pass an MOT with DPF removal?

A DPF delete downpipe won’t pass the visual inspection for an MOT. However, we offer a DPF gutting service where the canister remains visibly intact. Many vehicles have successfully passed a standard MOT, as the tester only checks that the DPF canister is present.

Emissions Control: We’ve seen many vehicles with a gutted DPF pass emissions tests, provided they are running well. Emissions should stay within acceptable limits, but this depends on the overall health of the vehicle.

While we cannot guarantee emissions compliance due to individual vehicle conditions, we are happy to assist with repairs if needed to address any high-emission issues.

However, please be aware this service is for off road use only, vehicles that will not be used on the UK roads.

Will if affect my insurance?

You should always declare any modifications, including tuning, to your insurance company. Failure to do so could invalidate your coverage if a claim is made.

However, Stage 1 and Stage 1+ remaps require no hardware changes and are 99% undetectable. Why not 100%? Only dealer-level diagnostics can detect them. From experience, inspections are usually done by companies without access to dealer-level software.

Remaps are undetectable by standard diagnostics used by most garages, and even we have to dig deep to check if a vehicle has been mapped. In our experience, no client has been caught out by not declaring tuning.

Will i loose fuel economy?

With over a decade of tuning experience, we've consistently found that tuning diesel engines—Stage 1 or Stage 2—not only boosts performance but also improves fuel economy thanks to the increased torque.

This is also backed up by our clients feedback and reviews!

How long does it take?

For Stage 1 or Stage 1+ remaps, which take around 3 hours on the dyno, you're welcome to wait, watch, and even capture some exciting content of your car in action!

For Stage 2, we require the vehicle overnight due to the labor involved in fitting upgraded parts before tuning on the dyno.

Many of our clients who travel to us either stay overnight in a local hotel or take advantage of our free courtesy cars for a convenient vehicle swap.

Do I have to pay upfront?

We accept all payment methods, and you can take advantage of our pay monthly scheme.

For amounts up to £1,000, pay over four months interest-free with no credit check. For packages over £1,000, you can spread payments over 6 or 12 months, also interest-free, but with a credit check.

Please note that if you’ve been in debt management or an IVA, the finance company may not approve the application, but we can still apply to confirm.

What is the benefits of remapping a car?

More smiles per mile! Extra power not only makes overtaking safer but also transforms the car's overall performance, even when driving economically.

A remapped car is more responsive, with better power delivery, especially at low RPMs. This means smoother acceleration to speed limits without pushing the engine hard.

Lastly, you get the thrill of a more powerful car without needing to buy a new one. The added power guarantees satisfaction!

Will it sound better?

Tuning alone doesn’t change your car’s sound, but gutting the DPF canister or fitting a DPF delete downpipe will instantly increase turbo noise and alter the exhaust tone—though it won’t be loud.

If you’re after more sound, we can discuss options to help you unlock the incredible potential these cars have!

Get In Touch

Address

Unit 19 Maxwell Road

Peterborough

PE2 7HU

Assistance Hours

Mon – Friday

9:00am – 6:00pm

Saturday on request

Sunday – CLOSED

Phone Number:

01733 305404

Unit 19 Maxwell Rd, Peterborough PE2 7HU, UK

Get In Touch

Address

Unit 19 Maxwell Road

Peterborough

PE2 7HU

Assistance Hours

Mon – Friday

9:00am – 6:00pm

Saturday on request

Sunday – CLOSED

Phone Number:

01733 305404

Unit 19 Maxwell Rd, Peterborough PE2 7HU, UK

Unsure What You Need, Feel Free To Message Us On WhatsApp To Talk About Your Options.

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