BMW Engine & Fuel Additives for BMW 5 Series E28 (1982-1988)

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Additives can give your engine the extra protection it needs, or the extra kick that you want. Turner carries only the best additives and fluids that are used and approved by our very own staff. Whether you are looking to increase octane points or lower your coolant temps, Turner has the right additive to suit your goals.
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Liqui Moly Ceratec Oil Additive
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T#:379270
Part#: 3721
In Stock
37% off MSRP $ 49.95

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$ 31.55 USD
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37% off MSRP
$ 49.95

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$ 31.55 USD
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Using a combination of ceramic compounds, this oil additive reduces friction and wear by forming a protective film that cuts down on direct metal to metal contact. This both extends the engines service life and reduces fuel consumption in both gasoline and diesel engines. Specially formulated to adhere to the internal engine's metal surfaces, which makes this great for vehicles with high pressure, cam-driven fuel pumps and engines that make excessive noise on start up.
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500mL Pro-Line Fuel System Cleaner
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Liqui-Moly - Corporate Logo
T#:403017
Part#: 2030KT
In Stock
$ 23.57 USD
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Proline Engine Flush and Cera Tec Oil Treatment - Oil Change Additive...
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T#:578656
Part#: CERATECFLUSHKT
In Stock
$ 46.99 USD
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**Not to be used with Liqui Moly Molygen Engine Oil - Molygen already includes friction modifiers** Step 1 - Engine Flush - Add to engine oil before engine oil change. Let engine run on idle speed for 10 minutes. Drain oil, change oil filter and re-fill with fresh high quality oil. Pro-Line Engine Flush is a development product based on highly effective state-of-the-art additive technology. These highly effective detergent and dispersant additives, in association with the carrier fluid, have been tested in the laboratory and in practical field trials for their ability to dissolve sludge and lacquer formers. All types of oil-soluble and oil-insoluble residues are brought into suspension and removed during the next oil change. An engine which has been cleaned of deposits and contamination and which is then filled with fresh oil not contaminated with old impurities can develop its full performance characteristics. Properties: Gentle and rapid cleaning Neutral to seals and other materials installed in the engine Compatible with catalytic converters Highly economical No additional environmental pollution Simple to use Contents sufficient for 5 liter engine oil capacity Fully compatible with all commercially available engine oils. Benefits: Removes deposits & residues Dissolves sludge & lacquer and isolates solid particles & liquid contaminants Improves the combustion process and restores full engine performance Prevents corrosion of unprotected metal surfaces Recovers oil lubricating properties Suitable for all gasoline and diesel engines. Step 2 - Cera Tec - Add in with your New Engine Oil Cera Tec is a high quality ceramic wear protection product which is safe for use in all engine oils. It reduces friction and wear due to ceramic compounds that withstand extremely high chemical and thermal loads. Cera Tec reduces direct metal-to-metal contact, thus increasing the engine service life. The low-friction effect reduces fuel consumption in gasoline and diesel engines. The chemicals in this specially-formulated product adhere to metal surfaces to reduce internal wear and friction, giving you peace-of-mind and saving you costly repairs in the future. Treats up to 5 liters of engine oil and provides up to 30,000 miles of protection under normal driving conditions. *Note: Not suitable for use with wet clutch applications or limited slip differentials. Great for use in vehicles with high-pressure, cam-driven fuel pumps or engines making noise upon start-up.
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Liqui-Moly Oil Change Additive Package - Proline Engine Flush and MoS...
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T#:578655
Part#: MOS2FLUSHKT
In Stock
$ 26.99

This product was last offered at the strikethrough price on
05-07-2026

$ 23.99 USD
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$ 23.99 USD
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This two-step kit features a flushing additive to be run through before the oil change and MoS2 for after new oil has been added.

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz
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Mishimoto - Corporate Logo
T#:392692
Part#: MMRALC
Ships in 4 Business Days
$ 22.99 USD
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Add to coolant to increase heat transfer and lower temps.
Motorvac Direct Injection Induction System Cleaner
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MotorVac - Corporate Logo
T#:3672452
Part#: MVC4002425
Ships in 7 Business Days
$ 47.99 USD
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Great for use with the ES3245872 MotorVac cleaner tool. Used to blast carbon out of intake and valves.

Liqui-Moly Valve Clean - 150ml
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T#:395031
Part#: LM2001KT
In Stock
$ 9.15 USD
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Carbon build-up occurs over time, reducing the amount of air flow through the intake and exhaust valves. This results in lost performance and reduced fuel efficiency. Ensure your valves are as clean as possible by simply adding this to the fuel tank or by adding this in through a vacuum line in the intake.
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Liqui-Moly Hydraulic Lifter Additive - 300mL
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T#:582224
Part#: 20004
In Stock
48% off MSRP $ 18.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 9.78 USD
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48% off MSRP
$ 18.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 9.78 USD
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Quiet down that lifter tick!

Liqui-Moly DIJectron Fuel Injection Cleaner - 300ml
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T#:4826894
Part#: 22076KT
In Stock
$ 22.48

This product was last offered at the strikethrough price on
03-14-2026

$ 15.79 USD
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$ 15.79 USD
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The unique combination of proven PEA technology and the latest additive generation achieves maximum cleaning performance in the combustion chamber, in and around the injector tip, and in the entire fuel system. Furthermore, DIJectron stops the formation of new deposits so that complex injector systems always work at the highest efficiency. Regular use of DIJectron significantly reduces the risk of engine damage caused by Low-Speed Pre-Ignition (LSPI), optimizes exhaust gas emissions, and protects the fuel system from corrosion. LIQUI MOLY recommends DIJectron for modern 4-stroke gasoline direct injection (GDI) engines. Contents (300 mL) are sufficient for 50–70 Liters (13-18 gallons) of fuel. For the best results and long-term effect, add DIJectron to the fuel tank every 4.000 km (2400 miles). Properties cleans fuel system assures precise atomization improved driveability optimizes fuel consumption and exhaust emissions values excellent corrosion protection tested for particulate filters and catalytic converters
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300mL Liqui-Moly Super Diesel Additive
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T#:403014
Part#: 2002KT
In Stock
$ 12.39 USD
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Liqui-Moly Multi Purpose Grease - 400g
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T#:1196000
Part#: 20246
In Stock
$ 6.39 USD
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Universal high performance grease for automotive use
Liqui-Moly Viscoplus For Oil - 300mL
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T#:638939
Part#: 20206
In Stock
49% off MSRP $ 17.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 9.19 USD
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49% off MSRP
$ 17.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 9.19 USD
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High performance additive for stabilizing the viscosity of motor oil


Red Line Water Wetter Coolant Additive
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Redline - Corporate Logo
T#:394769
Part#: REDLINE5A
In Stock
Starting at $ 15.99 USD
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Starting at $ 15.99 USD
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Water Wetter is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30*F. This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer properties than glycol-based antifreeze.
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Liqui-Moly Pro-Line Turbocharger Additive - 20g Tube
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Liqui-Moly - Corporate Logo
T#:599616
Part#: 22074
In Stock
$ 10.95 USD
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Used for the initial filling of new turbochargers in order to protect against dry running and damage caused by lack of oil after a change in during the running-in phase. Improves the operational reliability of the new turbocharger. Directions: Fill the oil intake passage of the turbocharger to the brim with Pro-Line Turbocharger Additive before the oil supply line is connected.
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250mL Speed Tec Gasoline Fuel Additive
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Liqui-Moly - Corporate Logo
T#:637406
Part#: 20234KT
In Stock
$ 11.99

This product was last offered at the strikethrough price on
02-26-2026

$ 8.15 USD
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$ 8.15 USD
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Liqui Moly Radiator Cleaner - 300mL
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T#:394668
Part#: 2051
In Stock
42% off MSRP $ 17.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 10.39 USD
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42% off MSRP
$ 17.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 10.39 USD
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Deposits in the radiator can lead to inefficient cooling or improper temperature readings. Long term exposure to high temperatures can cause internal engine components to warp or become damaged without proper cooling. This Liqui-Moly Radiator Cleaner reliably removes these deposits without adversely affecting the rest of the cooling system, allowing the cooling system to run efficiently, cooling the engine to proper operating temperatures.
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Liqui-Moly ATF Additive - 250mL
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T#:1195998
Part#: 20040
In Stock
$ 15.89 USD
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Can be added to the power steering reservoir or automatic transmission
Liqui Moly Jectron Fuel Injection System Cleaner - 300 mL
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T#:394693
Part#: 2007
In Stock
$ 11.25 USD
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Fuel injectors tend to get built up with gunk over the years, eventually affecting the spray pattern and reducing engine efficiency. By using a fuel injector cleaner every 3-4 fill ups (or 1200 miles) like this Liqui-Moly Jectron, you can ensure that your fuel injection system is staying in top shape, giving you the best efficiency possible and preventing a number of potential issues such as poor emissions, lost performance, and rough idle.
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Liqui-Moly UV / LED Flashlight
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T#:402694
Part#: UVFLASHLIGHT
In Stock
$ 7.99 USD
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Liqui Moly MoS2 Anti Friction Additive For Manual Transmission / Diff...
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T#:369626
Part#: 2019
In Stock
45% off MSRP $ 21.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.99 USD
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45% off MSRP
$ 21.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.99 USD
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Looking to prevent your manual transmission or differential from wearing too quickly or trying to cut down the amount of noise heard from regular operation? This highly concentrated MoS2 lubricant in mineral oil is perfect for preventing surface friction and reducing wear. It can simply be added into the transmission/differential fluid and the mixing will occur inside of the unit. This will then apply a moly film over the internal surfaces, reducing the wear from existing pitting and scoring, extending the life-span of your gearbox.
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Truck Series Oil Treatment - 16.9oz / 500ml
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T#:585679
Part#: 20256
In Stock
23% off MSRP $ 21.99

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$ 16.99 USD
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23% off MSRP
$ 21.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 16.99 USD
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Truck Series DPF Protector
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T#:585680
Part#: 20258
In Stock
40% off MSRP $ 17.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 10.79 USD
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40% off MSRP
$ 17.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 10.79 USD
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300ml Liqui-Moly MoS2 Anti Friction Engine Treatment
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T#:637371
Part#: 2009KT
In Stock
$ 11.99

This product was last offered at the strikethrough price on
05-07-2026

$ 8.99 USD
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$ 8.99 USD
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Use this anti-friction additive with every oil change! It is great for preventing wear during the most critical operating times of your internal combustion engine.
Liqui-Moly Diesel Particulate Filter Protector
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T#:395023
Part#: 2000
In Stock
53% off MSRP $ 25.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 12.29 USD
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53% off MSRP
$ 25.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 12.29 USD
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Diesel particulate filters can become clogged and less efficient with time when the DPF is unable to achieve it's needed temperature to start the automatic regeneration process, converting the soot to ash. This is common for cars that often see short trips that don't allow the engine and exhaust to heat up completely. Using a protector such as this routinely significantly helps to ensure the best power delivery possible as well as continued high fuel mileage by preventing the soot from restricting exhaust flow and overall performance. Liqui-Moly's Diesel Particulate Filter Protector allows the automatic regeneration process to start at a lower temperature, allowing the filter to be cleared earlier, preventing a loss of power and even a potentially expensive service fee.

Liqui-Moly is a German chemical company that offers top of the line engine oils, additives, and car care products that are designed to extend the life of your engine and ensure the best lubrication and cleanliness off engine and transmission components possible. With more than 50 years of experience and reviews across the world from magazines and race teams, Liqui-Moly proves time and time again why they are one of the most innovative lead forces of performance automotive chemicals in the world.

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Liqui-Moly Radiator Stop-Leak - 250mL
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T#:402989
Part#: 20132
In Stock
28% off MSRP $ 15.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.49 USD
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28% off MSRP
$ 15.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.49 USD
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It’s not easy to find small leaks caused by stone chipping, porous soldered connections or hairline fractures in the cooling system on all water-cooled engines – the only clue is in the reduced coolant level. Radiator Sealant seals these types of leaks completely, easily and in an instant and safeguards the combustion chamber against damage caused by coolant ingress.
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Red Line SI-1 Complete Fuel System Cleaner (15oz)
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This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shi
Redline - Corporate Logo
T#:385
Part#: SI-1
In Stock
$ 17.99 USD
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SI-1's injector and valve detergent is a concentrated package of the most powerful high-temperature detergents available to clean gasoline fuel injectors, intake valves and combustion chambers. Redline SI-1 Complete Fuel System Cleaner can clean injectors to nearly 100% efficiency in one treatment. The cleansing effect on injector deposits can raise fuel economy approximately 12% or even greater, depending on the condition of the injectors. Although many gasolines advertise injector cleanliness, GM presented a paper to the SAE which indicates that their customers encountered injector plugging with all major brands of gasoline (SAE 861533). SI-1 also contains detergents and a synthetic upper cylinder lubricant which will help clean the intake valves, pollution control valves, combustion chamber deposits and carburetors. One bottle of SI-1 to a tank of fuel can reduce octane requirements by two numbers. SI-1 also protects the fuel system from rust. One bottle treats up to 100 gallons. Safe for continual use. 15 oz. bottle.

Clickhere for SI-1 Tech Info

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Febi High Temperature CV Joint Grease - 90g Tube
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T#:367168
Part#: 252-0001
In Stock
$ 4.99 USD
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Enough grease to service one Outer boot

Liqui-Moly Motor Oil Saver - 300mL - BMW & MINI
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T#:552770
Part#: 2020
In Stock
35% off MSRP $ 22.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 14.85 USD
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35% off MSRP
$ 22.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 14.85 USD
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Rejuvenates and regenerates dried out, porous or shrunken oil and valve stem seals, thus reduces motor oil consumption and increases the compression. One can treats up to 5 liters of oil. 3 liters of oil minimum required for treatment.
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Liqui-Moly Pro-Line Engine Flush - 500ml
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T#:394664
Part#: LM2037KT
In Stock
$ 14.99 USD
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Looking to rid your engine of built up gunk and sludge? Liqui-Moly's Pro-Line Engine Flush is perfect for lifting away engine sludge, both oil-soluble and insoluble, from the surfaces of the block and interior components and oil passages, allowing oil to flow much more freely afterward, enabling the new oil to provide better protection and the engine to run smoother and easier. This is done by using a proprietary blend of detergents and dispersant additives that are harsh and fast acting on build-up but neutral to seals, gaskets, and other internal engine materials. This provides a gentle but rapid cleaning process that eliminate contaminants, restoring power and engine efficiency.
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Truck Series Diesel Performance and Protectant - 500ml / 16.9oz ...
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T#:585677
Part#: 20254
In Stock
37% off MSRP $ 18.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.99 USD
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37% off MSRP
$ 18.95

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.99 USD
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Liqui Moly Diesel Purge - 500mL
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T#:394697
Part#: 2005LMKT
In Stock
$ 15.07

This product was last offered at the strikethrough price on
12-11-2025

$ 11.69 USD
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$ 11.69 USD
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Looking to clean your diesel engine and it's injectors? The Liqui-moly Diesel Purge additive is a professional deep cleaning agent that can remove build up in your diesel motor in order to restore performance, reduce emissions, and reduce the amount of blue smoke coming from the tail pipe. For extreme  cleaning, this additive can even be fed in directly through the fuel line or poured into the fuel filter during a filter change. This give your diesel motor a concentrated blast of this cleaner, further helping to eliminate potential contaminants with its specially formulated detergents that will clean your motor without damaging any internal seal or gaskets.

Liqui-Moly is a German chemical company that offers top of the line engine oils, additives, and car care products that are designed to extend the life of your engine and ensure the best lubrication and cleanliness off engine and transmission components possible. With more than 50 years of experience and reviews across the world from magazines and race teams, Liqui-Moly proves time and time again why they are one of the most innovative lead forces of performance automotive chemicals in the world.

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Liqui-Moly LM 50 Litho HT - 400g
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T#:1195999
Part#: 20248
Ships in 2 Business Days
$ 7.99 USD
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Water-resistant, oxidation and corrosion resistant, high-performance lithium grease

Complete Diesel System Cleaner - 500ml / 16.9oz
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T#:585678
Part#: 20252
In Stock at Vendor
$ 19.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.99 USD
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$ 15.99 USD
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Liqui Moly Diesel Fuel System Cleaner for your BMW

Turner Motorsport presents Liqui Moly Diesel Fuel System Cleaner for your BMW. This powerful blend of additives effectively removes performance-degrading deposits from the fuel system in all diesel engines. It cleans injectors and the combustion chamber, restoring proper fuel atomization for enhanced engine efficiency.

Key Benefits:

  • Rapid removal of deposits
  • Cleans injectors and combustion chamber
  • Restores proper fuel atomization
  • Improves engine efficiency
  • Suitable for use in all diesel engines
  • Safe for use with catalytic converters and particulate filters (DPF)
  • Easy application directly into the fuel tank
  • Can be used preventively or to address acute engine issues

Each 500 ml bottle is sufficient for 25–115 Liters (7 gal. to 30 gal.) of fuel.

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Liqui-Moly Jetclean Plus
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T#:637246
Part#: 5118
Special Order: No Guaranteed ETA
$ 871.99 USD
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Tailored for efficient cleansing of Gasoline and Diesel fuel systems

This product excels in swiftly eliminating deposits and rectifying fuel delivery issues.

  • Utilize the provided Universal Adapter Kit (part no. 7911) for seamless device integration.
  • Compatible exclusively with Pro-Line JetClean Gasoline System Cleaner Concentrate (part no. 20312) or Diesel Purge (part no. 2005).
  • Crafted for application across all gasoline and diesel engines, regardless of turbocharger presence.
  • Engineered to be safe for catalytic converters and particulate filters (DPF).
  • Intended for professional use only.
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