BMW 645ci 333 (e63)
Engine Tuning in Midwales
BMW 645ci 333 (e63) in Midwales. Standard and remapped figures for this exact engine.
- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
BMW 645ci 333 (e63): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+25 bhp · +8%- Standard333 bhp
- Remapped358 bhp
Torque
+40 Nm · +9%- Standard450 Nm
- Remapped490 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
Owners of the BMW 645ci 333 (e63) in Midwales can expect a stage 1 remap to take it from 333 to 358 bhp and from 450 to 490 Nm, an extra 25 bhp (8%) and 40 Nm (9%).
The figures above are estimates for a standard, well-maintained BMW 6 Series petrol; they are not a guarantee of any particular result.
BMW 645ci 333 (e63): remap at a glance
- Fuel: Petrol
- Standard power: 333 bhp, remapped: 358 bhp (+25 bhp, +8%)
- Standard torque: 450 Nm, remapped: 490 Nm (+40 Nm, +9%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol BMW 6 Series
Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.
How the BMW 645ci 333 (e63) compares
Of the 5 petrol 6 Series engines in our data, this one comes 3rd for power gain, which is 1 bhp below the 6 Series petrol average of 26 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 25 bhp and 40 Nm sits below that benchmark.
Remapping your BMW 6 Series in Midwales
Based around Midwales, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.
If you are closer to Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.
Get a quote for your BMW 645ci 333 (e63)
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your BMW 6 Series
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
Same model
Other 6 Series engines
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide