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Millers Oil - Competition Running In Oil

£25.00 GBP

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Millers Oils  |  SKU: 18065

Delivery and Shipping

Add some general information about your delivery and shipping policies.

Delivery charges are based on weight (kgs) within the UK and Europe, International orders are based on volumetric weight and may be more than what you pay at checkout. Charges are the same when ordering online, by email or over the phone and include VAT. Items if in stock are dispatched same day (Before 2pm) and sent on a next working day service and includes insurance cover. See our main section below for more details.

Sample Shipping Costs

UK

Orders under £200 are sent by a DHL Express service that is usually a next day service and costs start from £12 depending on weight. 

Orders over £200 are sent for free by a DHL Express service that is usually a next day service

Europe and Rest of the World

For European and rest of the orders, parcels are sent by DHL and costs start from £12 up to 30kg per box. Delivery time takes between 3-7 working days depending on country. 

Please note:

Our shipping prices are occasionally subject to change. Lohen reserves the right to contact you with a shipping amendment if necessary.

The cleint is responsible for all import duites, taxes and processing fees which are payable to the carrier or carrier agent prior to delivery.

 

Returns & Refunds

Returns

Refunds are available within 7 days after delivery for products that are unused and are in original packaging. Special order goods are non-refundable. Products that are damaged in transit to or from the customer can be refunded up to 14 days after the product has been delivered.

Refunds

Products returned to us in imperfect, non-resalable condition will not qualify for a refund. Products that are faulty due to the manufacturing process are refundable under the manufacturer's warranty for a limited time specified in the manufacturer's terms and conditions. These do not apply if the product has been fitted incorrectly or misused, motorsport use could further reduce the manufacturer's warranty.

If an order is cancelled or refunded the buyer is responsible for the return of the goods to such address as directed by the supplier and is at the consumer's sole expense. This does not affect your statutory rights.

Description

Purpose-built for engine break-in during dyno or test bed runs (up to 4 hours), Millers Oils Running-In Oil is a high-quality, mineral-based formulation designed to protect freshly built engines during the critical early stages of operation.

Formulated using premium solvent-refined mineral oils, this running in oil is fortified with low volatility components and carefully selected additives. The result is a balanced oil that provides:

  • Exceptional protection for new engine components
  • Optimised bedding-in process
  • Controlled wear to allow proper surface mating
  • Suitable for both road and test bed use

Ideal for high performance and motorsport engine builds, this oil ensures your engine beds in correctly without glazing bores or compromising long-term performance.

Sold in a 5L tub. The following measurements are required for MINI engines:

  • Gen 1 - W10, W11 - 5L
  • Gen 2 - N12, N14, N16 and N18 - 4.2L
  • Gen 3 - B48 - 5.3L, B38 - 4.3L 

Lohen follow the following running in process to 

  1. Fill the engine to the recommended dipstick level using a quality running in oil like Millers Running-In Oil.
  2. Run the engine under peak torque loads for approx. 200 miles under controlled conditions on a rolling road.
  3. Monitor the following indicators to confirm the running-in phase is complete:
    • Compression levels meet the correct specification
    • Noticeable improvement in performance and throttle response
    • Enhanced fuel efficiency
    • Reduced oil consumption

What's in The Box

Fitting Details

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