EAC Peformance LTD

EAC Peformance LTD Cars Remapping and BMW Group maintenance, modifications , and Repair It is your responsibility you advise your insurance company of this service/modification.
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Disclaimer of Performance
By purchasing this service, the customer understands and agrees that as a high performance service, individual results may vary depending on make, model, and usage. The customer also understands that the original vehicle manufacturer makes its own determinations regarding the effects of add-on products and/or service to its warranties, EAC Performance Ltd shall in no way

be held responsible nor liable for anything pertaining to or resulting from the original vehicle manufacturers warranty and/or terms of use. Once the EAC Performance Ltd performed remapping/modification in your vehicle the driver is ultimately responsible for increased power, torque and speed acquired. EAC Performance Ltd is not responsible for general faults and damage caused to your vehicle as a result of poor maintenance, weak/faulty parts are not covered by this indemnity. If your vehicle breaks-down after the remap is installed – and as proven result of this – we and the remap writer will not accept any legal responsibility for this. This would come down to maintenance of the vehicle which the owner is wholly responsible for. Disclaimer of Liability
The buyer acknowledges and agrees that the disclaimer of any liability for personal injury is a material term for this agreement and the buyer agrees to indemnify the seller and to hold the seller harmless from any claim related to the item of the equipment or service purchased. EAC Performance Ltd assumes no liability regarding the improper installation or misapplication of its products and/or services. It is the installer’s responsibility to check for proper installation and if in doubt our Team is to be contacted. This service/modification may affect your premium, so we would advise that you contact your insurance company before you carry out the installation so that you are fully aware of any additional cost you may incur. The Following items and conditions are not covered by warranty:
Wilful damage, failure to follow EAC Performance Ltd instructions or any alteration or repair carried out without our approval, misuse, abuse, neglect, etc. Damages incurred through irresponsible use, overclocking, incorrect voltage input from improper installation, connection to other product or device, dismantling or removing parts. Water ingress
A repair or replacement will not result into a warranty extension or new beginning of the warranty. We do not cover the liability for the following parts: Turbos, injectors, clutches, gearbox, dpf, boost leaks(boost pipes) as these have a serviceable lifetime and the remap places bigger demands on these parts, which may cause issues if they are not in good health. Stage 1+, Stage 2+, Stage 3+, remaps are beyond the recommended tolerances of your engine and we and the remap writer will not accept any liability for these remaps. Faulty vehicles
As part of the test drive we aim to ensure that your car has responded well to the remap service and ensure that the new settings have not caused any faults with your vehicle.
1. If however you do report any faults with your vehicle after the service has been completed, we ask you contact us straight away. We always strive to make all of our clients completely happy with the benefits of the remap ,we will give you any advice possible to help you resolve the problem and we may ask you to bring the vehicle back to us for diagnostics or to tweak the remap if we feel this needs doing.
2. We will not travel to your location for this; we require clients to bring the vehicle back to our premises.
3. We may ask you to have your vehicle diagnosed by a third-party mechanic to independently verify any issues and if this is the case, these additional fees will not be covered by ourselves.
4. If your car is diagnosed as faulty we can un-install the remap for you, no refunds will be given for this. We can re-install the remap for you once fixed, however we may charge for this depending on how much time is required to re-install the remap.
5. If you choose to use remapping as an option to try fix an existing issue with your car we are happy to help with this: for example, if your vehicle is in limp mode and you suspect the egr valve is at fault, we will perform an egr delete for you – however if this doesn’t fix the issue we will still charge for our time and the service provided. If however you request a refund we will be happy to ‘un-install’ the remap for you and once this is done we will issue you a refund:
1. This does not apply for customers who have a faulty vehicle
2. All refunds are subject to from £60 un-install fee
3. Any refund request after the 14 day point will not be honored
4. Opting to take this option does not affect your consumer rights

EAC Performance Ltd reserves the right to change these terms and conditions at any time without prior notice. Actions that will or may infringe on the copyrights, privacy, property and other rights or interests of other users of this website, third parties, the Company or its partner companies.

02/06/2026

🔧 Looking for a Mechanic – Norwich

We're looking for an experienced mechanic or vehicle technician to join our team.

You should be confident with general servicing, maintenance and repair work, and have a positive attitude and willingness to learn.

If you're looking for a change or know someone who might be interested, send us a message.

📍 Norwich, NR6
📩 Message us directly for more information.

EAC Performance 🚗

Cars Remapping and BMW Group maintenance, modifications , and Repair

BMW G30 530XD B57 Stage 1 DYNO Session 🏎️👉 Stage 1 Custom Calibration📈 Final Results321Bhp >> 709Nm 💨Tested yesterday in...
23/05/2026

BMW G30 530XD B57 Stage 1 DYNO Session 🏎️

👉 Stage 1 Custom Calibration

📈 Final Results
321Bhp >> 709Nm 💨

Tested yesterday in 27°C ambient temperatures with stable and consistent performance throughout dyno runs.

Strong torque delivery from low RPM together with smooth top-end power makes the B57 platform one of the best modern BMW diesel engines for tuning.

Developed and dyno tested in-house at EAC Performance, Norwich.

✔ Dyno Testing
✔ Custom ECU Calibration
✔ BMW Petrol & Diesel Specialists
✔ Diagnostics & Fault Finding
✔ OEM-Level Programming & Coding

BMW E92 330D M57 Stage 2 DYNO Session 🏎️👉 Custom Tune Calibration📈 Final Results301Bhp >> 617Nm 💨Supported Mods:✔ Downpi...
23/05/2026

BMW E92 330D M57 Stage 2 DYNO Session 🏎️

👉 Custom Tune Calibration

📈 Final Results
301Bhp >> 617Nm 💨

Supported Mods:
✔ Downpipe
✔ Upgraded Intercooler
✔ Intake Manifold Service

Strong and smooth power delivery from the legendary M57 platform with massive mid-range torque improvement.

Calibration development was completed at clutch grip limit, with further torque increase restricted due to clutch slip during dyno testing.

Developed and dyno tested in-house at EAC Performance, Norwich.

✔ Dyno Testing
✔ Custom ECU Calibration
✔ BMW Petrol & Diesel Specialists
✔ Diagnostics & Fault Finding
✔ OEM-Level Programming & Coding

BMW 4 CC Series in for maintenance and steering repair work 🔧✔ Genuine BMW brake discs fitted✔ New brake pads installed✔...
23/05/2026

BMW 4 CC Series in for maintenance and steering repair work 🔧

✔ Genuine BMW brake discs fitted
✔ New brake pads installed
✔ Brake fluid service carried out
✔ Steering rack thrust piece replacement

Keeping these cars maintained properly is just as important as performance work — especially when it comes to braking and steering components.

At EAC Performance we specialise in BMW & MINI diagnostics, maintenance and repair using OEM-level parts and procedures.

📍 Norwich, UK
EAC Performance

BMW Z4 E89 18i N20 Stage 1 DYNO Session 🏎️👉 Stage 1 Custom Calibration📈 Stock Power (measured)162Bhp >> ~250Nm📈 Stage 12...
22/05/2026

BMW Z4 E89 18i N20 Stage 1 DYNO Session 🏎️

👉 Stage 1 Custom Calibration

📈 Stock Power (measured)
162Bhp >> ~250Nm

📈 Stage 1
240Bhp >> 370Nm 💨

👉 Gain +78Bhp +120Nm

Massive transformation for the N20 platform with strong mid-range torque and a much more responsive powerband throughout the rev range.

Developed and dyno tested in-house at EAC Performance, Norwich.

✔ Dyno Testing
✔ Custom ECU Calibration
✔ BMW Petrol & Diesel Specialists
✔ Diagnostics & Fault Finding
✔ OEM-Level Programming & Coding

BMW F20 116D Stage 1 DYNO Session 🏎️👉 Stage 1 Custom Calibration📈 Stock Power (measured)120Bhp >> 245Nm📈 Stage 1145Bhp >...
22/05/2026

BMW F20 116D Stage 1 DYNO Session 🏎️

👉 Stage 1 Custom Calibration

📈 Stock Power (measured)
120Bhp >> 245Nm

📈 Stage 1
145Bhp >> 303Nm 💨

👉 Gain +27Bhp +58Nm

Developed and dyno tested in-house at EAC Performance, Norwich.

Smooth and usable power delivery with significantly improved mid-range torque and response.

✔ Dyno Testing
✔ Custom ECU Calibration
✔ BMW Petrol & Diesel Specialists
✔ Diagnostics & Fault Finding
✔ OEM-Level Programming & Coding

Little reminder of what we do at EAC Performance 🔧BMW & MINI specialists covering everything from diagnostics to major e...
22/05/2026

Little reminder of what we do at EAC Performance 🔧

BMW & MINI specialists covering everything from diagnostics to major engine repair work.

✔ Timing chains
✔ Valve stem seals
✔ VANOS repairs & diagnostics
✔ Camshaft timing & alignment
✔ Head gasket replacement
✔ ECU programming, coding & diagnostics
✔ BMW petrol & diesel engine specialist work

From daily repairs to complex fault finding, we focus on proper diagnosis and correct repair procedures using OEM-level tooling — not guesswork or shortcuts.

📍 Norwich, UK
EAC Performance

BMW G30 530XD B57 Stage 1 DYNO Session 🏎👉 Stage 1 Custom Calibration📈 Stock Real  265Bhp >> 620Nm📈 Stage 1  337Bhp >> 70...
21/05/2026

BMW G30 530XD B57 Stage 1 DYNO Session 🏎

👉 Stage 1 Custom Calibration
📈 Stock Real
265Bhp >> 620Nm
📈 Stage 1
337Bhp >> 708Nm 💨

👉 Gain +72Bhp +88Nm

Developed and dyno tested in-house at EAC Performance, Norwich.

Old but gold — and the M57 continues to prove it.Another BMW 535d in at EAC Performance for a hybrid turbo setup install...
21/05/2026

Old but gold — and the M57 continues to prove it.

Another BMW 535d in at EAC Performance for a hybrid turbo setup installation. A solid upgrade for an engine platform still well known for its reliability, drivability, and serious performance potential when built properly.

Hybrid turbos installed and prepared for calibration.

EAC Performance
Norwich, UK

Address

Unit 1 Vulcan Road
Norwich
NR66AG

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm
Saturday 9am - 2pm

Telephone

+441603926466

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