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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £29.95 | 2 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £29.95 | 2 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £3.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £11.95 | 2 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £29.95 | 2 to 5 working days |
Product Number: 109E-PK4
Variations
Fuel gums clogging piston rings cause compression loss, increased oil consumption through blow-by and elevated tailpipe emissions. BG EPR® Engine Performance Restoration® (109E, 325ml) softens, emulsifies and dissolves even the most stubborn of these deposits, restoring compression and reducing oil consumption without engine disassembly. Also cleans micro passageways in valve train actuators and turbochargers. Recommended for use in HEV engines and engines fitted with GPF.
BG EPR® restores the critical hydraulic function of components such as valve train actuators and turbochargers by cleaning micro passageways blocked by deposits. Properly sealed combustion chambers improve compression and reduce oil dilution through blow-by, restoring fuel economy and power. The formula is harmless to seals and engine components, and is recommended for hybrid electric vehicles (HEVs) and engines fitted with gasoline particulate filters (GPFs).
Add to engine oil before an oil change for maximum effect. The 325ml size is suited to a single engine treatment or lightly used fleet applications. Also available in 177ml (SKU: 1096) and 946ml (SKU: 10932) for bulk workshop use.
Add BG EPR® to the engine oil before an oil change to dissolve deposits and restore performance. Follow the dosage guidance on the product label.
Delivered in 2–3 working days to mainland UK. 30-day returns on unopened items.
About PartsForMachines:
PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| API Gravity @ 15.6°C (60°F) | 29.8 |
|---|---|
| Specific Gravity @ 15.6°C (60°F) | 0.8773 |
| Density, U.S. lb./gal. (kg/m³) @ 15.6°C (60°F) | 7.314 (876.4) |
| Flash Point, PMCC | 43°C (110°F) |
| Pour Point | –21°C (–5°F) |
| Color | L0.5 |
| Color | Light Amber |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £3.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | 115E | 1166E | 73732E | 77332 | FOF |
A. BG EPR® softens, emulsifies and dissolves the stubborn fuel gums clogging piston rings — the 109E-PK4 formulation restores compression and reduces oil consumption from blow-by. It also cleans micro passageways in valve train actuators and turbochargers. Added to engine oil before a planned oil change.
A. Pour into the engine oil before the next planned oil change. Drive as usual — the 109E-PK4 chemistry softens internal deposits as the engine runs. At the drain, old oil and softened residue leave together.
A. BG EPR® is recommended for HEV engines and engines fitted with GPFs. The 109E-PK4 chemistry leaves the engine with the drained oil rather than through the exhaust, so downstream emissions components are not exposed to it.
A. Covers all standard petrol and diesel applications in cars and light commercials, including HEV engines and engines with GPFs. The 109E-PK4 method does not change with fuel type. For motorcycles or specialist plant, contact the trade desk first.
A. The 109E-PK4 bottle is 325ml. One bottle is the standard dose for a single engine treatment up to the engine size noted on the label. For larger commercial engines or specialist applications, check the label or contact the trade desk for the correct dose rate.
A. 109E-PK4 is the 4-pack version of 109E. Same product chemistry and same unit size — packaged for volume buyers at a lower per-unit price.
A. Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the UK. For items damaged on arrival, report within 24 hours with photos to [email protected] — we will arrange collection and replacement at no cost. The Fit Guarantee covers hassle-free returns for parts that don't fit. Refunds go to the original payment method once inspected.
A. Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.
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