FAQS

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We get lots of questions about MINI tuning from how to and what if questions, here are some answers, anything else please just ask - sales@lohen.co.uk or call us +44 (0) 1785 859 999 - we love to talk MINI

General MINI Tuning

What are the best performance upgrades for my MINI?

The best upgrades depend on your goals, but popular options include:

ECU remapping/tuning – Improves power and throttle response.
Air intake upgrades – Enhances airflow for better performance.
Exhaust system upgrades – Reduces back pressure for increased power.
Suspension upgrades – Improves handling and ride comfort.
Larger intercooler – Reduces intake temperatures for more consistent power delivery.

Will tuning void my MINI’s warranty?

Modifications can impact your warranty, especially ECU tuning. Some dealers may still honour warranties on non-related components, but always check with your dealer before making modifications.

Is remapping my ECU safe?

Yes, if done correctly by a reputable tuner. A good tune optimises power without compromising reliability. Avoid generic or untested maps that can cause engine issues. Lohen have fine tuned and tested tuning since the release of the MINI and delivered 1000s of tunes over 2 decades of business.

Can I tune my MINI myself?

Some basic upgrades like intakes and exhausts can be done at home, but ECU tuning requires professional knowledge and software. DIY tuning without experience can lead to engine damage.

Can I return my MINI to stock after tuning?

Yes, most tuners offer a way to revert the ECU to stock, and bolt on modifications can be removed. Just keep hold of those old parts if you are planning to do this.

Do I need to inform my insurance about tuning?

Yes. Failing to disclose modifications can void your insurance. Some insurers specialise in modified cars and may offer reasonable premiums.

Are all modifications legal in the UK?

Not all. Some upgrades (like decat exhausts) can make your MINI non-road legal in the UK. Always check local compliance and emissions regulations in your area before purchasing and installing these to your MINI.

Engine & Performance

How much horsepower can I gain from tuning?

Gains depend on the model and hardware modifications:

Stock ECU remap: +15-50hp - depending on what is installed and the model of MINI
Intake kit & exhausts: +5-15hp - These tend to deliver a modest increase in performance but help deliver power with ECU tuning and support other modifications that require additional gas flow. They also add to the sound and the enjoyment of the MINI.
Larger turbo & supporting modifications: +50-100hp+ This depends on the specification of the turbo and performance and quality of items such as the intercooler. Try our Performance Packs that bring together great value and performing products.

What’s the best tuning option for a MINI Cooper S or JCW?

Stage 1 Tune (ECU remap only) – Best for stock cars. It’s best to consider a spark plug upgrade and a performance air filter.
Stage 2 Tune (ECU + intake + exhaust + intercooler) – More power and responsiveness.
Stage 3 Tune (Turbo upgrade + fuelling modifications) – Maximum performance but requires supporting mods.

Do I need an intercooler upgrade?

Adding a performance intercooler to your MINI is always beneficial, even on a standard car. When tuning an upgraded intercooler is essential and helps reduce heat soak and maintain consistent power.

What’s the best turbo upgrade for my MINI?

It depends on your goals and your engine:

Hybrid turbo – Retains stock fitment but offers more power (~+50hp). For the MINI R56 N14 and N18 engines the Owen Developments turbo offers a reliable and powerful solution.
Larger turbo (e.g., Big Turbo Kits) – Offers significant gains but packaging can sometime be problematic. Look for kits like the Lohen 330 Big Turbo Kit that offers a complete packaging solution

Do I need to upgrade my fuel system for tuning?

For Stage 1 & 2, the stock fuel system is usually sufficient.
For Stage 3+, you may need:

High-pressure fuel pump (HPFP) – Ensures enough fuel supply.
Larger injectors – Required for extreme power levels.
Supporting fuel - either use of a methanol systems or port injection

Fuel problems are particularly common place with the N14 and N18 platforms when trying to achieve power outputs greater the 320 BHP.

What is a catch can, and do I need one?

A catch can collects oil vapour from the crankcase to prevent carbon build-up in direct-injection engines (like the MINI, particularly the N14 engine). It's a good upgrade for long-term engine health. Try the Mishimoto catch can

Can I run E85 or race fuel in my MINI?

Some MINI engines can run E85 with proper tuning and fuel system upgrades. Race fuel (higher octane) can increase performance but requires an ECU remap to take full advantage of it.

Handling & Suspension

What are the best suspension upgrades for better handling?

Lowering springs or coilovers – Improves cornering and reduces body roll.
Anti-roll bars (sway bars) – Reduces understeer and improves stability.
Polyurethane bushings – Reduces flex in suspension components.

Will lowering my MINI affect ride comfort?

Yes, but it depends on the setup. Lowering springs maintain some comfort but ultimately reduce the range of travel the damper has. while coilovers offer better handling with some models offering adjustable damping and more control over the height setting. Some damper models, such as the Koni Special Active, offer variable damping technology as well so there are products available that can reduce the impact on comfort that decreasing damper travel can have.

Try our Lohen lowering springs, available for the popular MINI models

Should I get coilovers or lowering springs?

Lowering springs – Affordable, slight drop in ride height.
Coilovers – Adjustable ride height & damping for better handling.

Will wider tyres improve grip?

Yes, wider tyres (e.g., 215/225 instead of 205) can improve grip, but be mindful of clearance issues. The aspect ratio of the tyre also becomes important for clearance and comfort for example;. a 215/30/17 is a lower profile tyre than a 215/45/17

What alignment settings are best for a performance MINI?

Front camber: -1.5° to -2.5° (for aggressive driving).
Toe: 0 to slight toe-out (for sharper turn-in).
Rear camber: -1.5° to -2.0° (for stability).

To aid set up to these points adjustable geometry components will be required such as adjustable front top mount and rear adjustable control arms. Check out our Geometry section under the Chassis categories.

Braking & Wheels

Do I need a brake upgrade for tuning?

For high performance setups, yes. Upgrades include:

Performance brake pads – Improve stopping power and heat resistance. It’s important to select the correct brake pad for the application - for the road brake pads should be E marked, try compounds such as Mintex M1144 or its newer version FR, EBC Yellowstuff, Ferodo DS2500 or the Tarox Strada for a good quality road pad, which retain bite from cold and improved durability and stopping power over the standard pad. For track there are many options and selecting the correct one is a little down to personal preference as much as it is selecting for the correct circuit and event type. For example spring circuits that are short and hard on braking need something that performs well from low temperatures, this maybe referred to as “switching on quickly” with a good bite but don’t necessarily need to perform through a higher heat conditions where speeds may be higher, in these instances consider a pad like the Mintex M1166. Or for rally / gravel circuits the same applies although the requirement for such a strong bit is less in this case the Mintex M1155 is a nice option. For longer and more traditional circuits likes of the Mintex F2R, or the Pagid RSL / RST series pads offer excellent performance as do the Ferodo DS1.11 pads.
Big brake kits – Better for track use or high horsepower builds. Use a kit with 2 piece discs to really maximise heat dissipation, essential for track work. Even if the MINI is only tracked a few times a year, this is an essential area to maximise enjoyment of the day. Try our 2 piece Big Brake Kit for dedicated track work or a Tarox or Brembo kit for the road.
Braided brake lines – Provide a firmer brake pedal feel. Using Goodridge braided hoses is a great way to add performance to the brake system at a relatively low cost. Complete a brake fluid flush when installing these using a temperature fluid like the Motul 600 for track and regularly maintained systems or the AP Racing DOT 5.1 for the road and more general driving applications.

Are drilled or slotted brake discs better?

Drilled discs – Better heat dissipation than but can crack under extreme use.
Slotted discs – Better for performance and track use, prevents brake fade.

What’s the ideal wheel and tyre setup for performance?

Lightweight alloy wheels – Reduce unsprung weight and improve handling. There is alway a trade off of weight and strength but keep an eye out for Forged wheels or technologies such HLT from OZ Racing that help to provide a great balance of weight vs strength.
High performance tyres – Provide better grip and responsiveness. Keep in mind application and conditions, tyres such as the Nankang AR-1 are super sticky and Eem to work really well with the MINI or for the road try Kuhmo PS-71 or the Michelin Pilot Sport

Reliability & Maintenance

Will tuning affect my MINI’s reliability?

Proper tuning should not cause reliability issues, but aggressive tunes, poor maintenance, or excessive boost can lead to engine wear. Regular servicing is crucial, it's advisable to perform general servicing such as oil changes, air filter changes or cleans and spark plug replacement every 12 months.

How often should I service my MINI if it’s tuned?

More frequent servicing is recommended, especially:

Oil changes every 5,000-7,000 miles (using high-quality oil such as the Motul 8100 for performance cars or the Motul 300V for track and circuit cars).
Spark plugs & coil packs – Upgrade to a cooler heat range if running higher boost, search for our High Performance Spark Plugs.

What’s the best way to keep my tuned MINI cool?

Larger intercooler – Reduces intake temperatures.
Upgraded radiator – Helps prevent overheating in extreme conditions.
Oil cooler – Keeps oil temps stable under hard driving.

Can I daily drive a tuned MINI?

Yes, if the modifications are sensible and well-maintained. Stage 1-2 tuning is generally fine for daily use, but aggressive Stage 3 setups may require more maintenance.

What are common problems with a tuned MINI?

Increased wear on engine & drivetrain components.
Potential clutch slipping (manual) or transmission stress (auto).
Higher fuel consumption with aggressive driving.
Heat soak if cooling isn’t upgraded.

Exhaust & Sound

How can I make my MINI sound better?

Cat-back exhaust – Enhances exhaust tone without removing emissions controls.
Downpipe upgrade – Increases sound and performance (may require a remap when adding these)
Induction Resonator delete – Louder sound with minimal cost. Check out our range of Pipercross, Samco and Forge Motorsport hoses.

Will a performance exhaust affect my MOT or emissions?

It can. Decat downpipes will fail emissions tests. For road applications check our our range of ECE Marked high-flow sports cats which provide a road legal alternative while retaining strong power delivery.

What is the difference between a resonated and non resonated exhausts ?

Resonated – closer to a factory noise level but generally benefit from a sportier tone. Resonated exhausts are also generally type approved so carrier ECE marking and homologation allowing them to be used on the road
Non resonated – Generally these are louder than stock may cause excessive drone. They’re not ECE marked and instead aimed at track users.

Will a pops & bangs tune damage my engine?

Excessive overrun tuning (pops & bangs) can cause excessive heat, wear on the turbo, and potential catalytic converter damage. A mild tune is safer.

Transmission & Drivetrain

Can I tune an automatic MINI?

Yes! We have great tuning solutions for Gen 2, Gen 3 automatic models including the latest 8 speed auto box found in models like the F56 GP

We even offer differentials for the automatic gearboxes, check out our exclusive Quaife ATB for the 7DCT300 gearbox

Do I need a Differential?

MINIs with high power benefit from the installation of a performance differential such as the Quaife or 3J Driveline products allowing for better traction, especially in corners or on track. There are different types of differentials available to suit differing uses, learn more about these in our blog here. For road and occasional track day use Lohen suggest the Quaife Automatic Torque Biasing (ATB) differential but for dedicated track use the more traditional Limited Slip Differential (LSD) such as the 3J Driveline product.

How can I reduce torque steer in my tuned MINI?

Stronger lower control arm bushings – Improves stability.
Wider tyres & differential – Help distribute power more evenly.

5 Star reviews

What Our Customers Are Saying

Lohen Rocker cover bolt set

“ The Lohen Gold Rocker Cover Bolt Kit is a small but impactful upgrade for MINI owners who care about both style and function. It’s an easy way to freshen up the engine bay while ensuring long-term durability. Whether you’re doing routine maintenance or a full engine bay makeover, this is a worthwhile addition..”

Jordan

Lohen Wheel Spacers - Top quality

"I replaced universal spaces with these. What a massive difference it’s made. Quality product that makes the wheel fitment so much easier."

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Lohen Stage 1 ECU Tune - Transformative!

"After having this remap performed on my R59 JCW all I can say is Wow! The car is completely changed and now has the performance to match its looks. I have all the ‘Stage 2’ hardware installed but opted for the stage 1 map to suit the ‘fast road’ aesthetic I was going for. Now with 260bhp and 370nm torque the car goes as good as it sounds! Pops and bangs are configured to the sport button so they can be deactivated for a more chilled drive.
This map was the consolidation of all the mods on my car and was 100% worth it."

Lewis