Motor oil Petrol Ofisi Maxima 5W-40 is a product that often raises questions among car owners, despite its popularity in Turkey and the CIS countries. This premium synthetic oil is marketed as a universal solution for petrol and diesel engines, but is it really that effective in practice? In this article we will analyze in detail its composition, compliance with standards, laboratory test results and real reviews from mechanics.

Feature Petrol Ofisi Maxima 5W-40 - in its formula with improved cleaning and antioxidant properties, which is especially important for turbocharged engines and used cars. However, not everyone knows that this oil is produced under license TotalEnergies, which leaves an imprint on its quality and compatibility with European standards. Next, we will find out whether it is worth overpaying for the brand or whether you can find more budget analogues without losing characteristics.

Specifications and Standards

Oil Petrol Ofisi Maxima 5W-40 belongs to the category semi-synthetic (according to some sources - hydrocracking) oils with viscosity SAE 5W-40. It is certified to the following standards:

  • 🔧 API SN/CF — suitable for modern gasoline and diesel engines (including turbocharged ones).
  • 🚗 ACEA A3/B4 — confirms stability under high loads and compatibility with exhaust gas aftertreatment systems.
  • 🔥 MB 229.3 - approval Mercedes-Benz for engines with extended replacement intervals.
  • ⚡ VW 502 00 / 505 00 — compliance with requirements Volkswagen Group for gasoline and diesel engines.

An important nuance: despite the stated versatility, the oil not recommended for engines with diesel particulate filters (DPF), since it does not have a low-ash formula (Low SAPS). This means that for cars Euro 5/6 with the system EGR it is better to choose a specialized product, for example, Petrol Ofisi Turbo Diesel 5W-40.

Temperature range of oil operation:

  • ❄️ Minimum pumping temperature: –35°C (according to the manufacturer).
  • 🌡️Maximum operating temperature: +150°C without loss of viscosity properties.
📊 What oil do you use in your car?
  • Petrol Ofisi Maxima 5W-40
  • Other oil Petrol Ofisi
  • Oil of another brand (specify in comments)
  • I don't know what's in there

Composition and technology: what does the label hide?

The manufacturer states that Petrol Ofisi Maxima 5W-40 based on hydrocracking base with the addition of an additive package from Infineum (joint venture Shell And ExxonMobil). This explains its stable characteristics, but raises questions about the actual "synthetic" nature of the product. Essentially this is improved semi-synthetics, which is not always obvious to buyers.

Key additives in the composition:

  • 🧪 Detergent additives — prevent the formation of varnish deposits on pistons and valves.
  • 🛡️ Antioxidant components — extend oil life at high temperatures.
  • ⚙️ Extreme Pressure Additives — protect the engine during cold starts and extreme loads.
  • 🔥 Viscosity modifiers — provide stable operation over a wide temperature range.

Interesting fact: according to the results of independent tests (for example, laboratories OilClub), this oil shows low level of volatility (less than 8% according to NOACK), which indicates its durability. However, the sulfur and phosphorus content is higher than that of premium full synthetic oils, which can affect catalyst life in the long term.

What is hydrocracking and how does it differ from full synthetics?

Hydrocracking is a process of deep cleaning of the mineral base, which brings its properties closer to synthetic oils, but does not make them completely identical. Full synthetics (PAO/esters) have a more stable molecular structure and better resistance to oxidation, but are also more expensive. Petrol Ofisi Maxima 5W-40 belongs to the “intermediate” class - improved hydrocracking, which is cheaper to produce, but inferior in some respects to real synthetics.

Car compatibility: who is suitable and who is not?

Oil Petrol Ofisi Maxima 5W-40 optimal for the following categories of cars:

Engine type Examples of cars Features of application
Gasoline atmospheric Toyota Corolla, Honda Civic, Hyundai Solaris Suitable for standard replacement intervals (10–15 thousand km).
Gasoline turbocharged Volkswagen Golf GTI, Ford Focus ST, Renault Megane RS It is recommended to reduce the interval to 8–10 thousand km due to increased loads.
Diesel (without DPF) Skoda Octavia TDI, Peugeot 308 HDi Copes well with soot deposits, but not for engines with a particulate filter.
Gas installations (GBO) Any cars with 4th generation LPG Requires more frequent replacement (every 7–8 thousand km) due to increased carbon deposits.

⚠️ Attention: This is oil not recommended for:

  • 🚫 Engines with particulate filters (DPF) and systems SCR (For example, BMW BluePerformance, Audi TDI).
  • 🚫 Motors with variable valve timing (VVT-i, Valvetronic), if the manufacturer requires oil 0W-20 or 0W-30.
  • 🚫 Cars with mileage of more than 200 thousand km, where it is better to use oils with high viscosity (10W-40).

Study the operating manual (section "Recommended oils")|Check for the presence of a diesel particulate filter (DPF) or SCR system|Check the manufacturer's standards requirements (API/ACEA)|Assess the climatic operating conditions (cold start, heat)|Consult an authorized dealer if in doubt-->

Real tests and comparison with competitors

Independent laboratories (eg OilClub And AutoExpress) conducted a series of tests Petrol Ofisi Maxima 5W-40. Here are the key takeaways:

  • 🔬 Viscosity at 100°C: 13.8 mm²/s (standard for 5W-40 - 12.5–16.3). The indicator is stable even after 10 thousand kilometers.
  • 🧪 Base Number (TBN): 9.2 mg KOH/g is average for oils in this class. For comparison, Mobil 1 ESP 5W-40 this parameter is 11.3.
  • 🔥 Flash point: 230°C (higher than many budget analogues, for example, Lukoil Luxe 5W-40 — 218°C).
  • ⚡ Metal content: low iron and copper content after wear test (indicating good protective properties).

Let's compare it with popular competitors in the same price segment:

| Parameter | Petrol Ofisi Maxima 5W-40 | Shell Helix HX8 5W-40 | Total Quartz 9000 5W-40 |

|------------------------|---------------------------|------------------------|--------------------------|

| **Base** | Hydrocracking | Hydrocracking + synthetics | Semi-synthetic |

| **Table Base Number (TBN)** | 9.2 | 10.1 | 8.9 |

| **Flash point** | 230°C | 234°C | 226°C |

| **Sulfur content (%)** | 0.23 | 0.21 | 0.25 |

| **Price (liter, rub.)** | ~650 | ~800 | ~600 |

Conclusion: Petrol Ofisi Maxima 5W-40 demonstrates balanced characteristics, but is inferior to market leaders (for example, Shell Helix Ultra) in terms of alkalinity and antioxidant properties. However, its price is 15-20% lower, making it an attractive option for budget maintenance.

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If you drive your car in a city with frequent traffic jams, reduce the oil change interval by 20–30%. Petrol Ofisi Maxima 5W-40 copes well with loads, but in start-stop conditions its service life is reduced.

Reviews from mechanics and owners: pros and cons

After analyzing the reviews on the forums (Drive2, Auto.ru) and in service centers, we highlighted the following opinions:

Pros:

  • ✅ Stable operation at high temperatures — does not “fade” even in hot climates (confirmed by the owners Nissan Almera And Kia Rio).
  • ✅ Good cleaning properties — after draining, the oil remains relatively clean (according to the mechanics).
  • ✅ Low price compared to European brands with comparable quality.
  • ✅ Easy cold start — no problems with pumping at –25°C (reviews from Siberia).

Cons:

  • ❌ Unstable quality across batches - some owners complain about the oil quickly turning black (possibly due to counterfeits).
  • ❌ Not suitable for modern turbodiesels with particulate filters (risk of clogging DPF).
  • ❌ Average resource — at a replacement interval of 15 thousand km, it loses its properties (it is optimal to change it every 10 thousand km).

⚠️ Attention: There are often fakes on the market Petrol Ofisi. The original oil has:

  • 🔹 Holographic sticker on the lid of the canister.
  • 🔹 Production date, applied by laser (not by printing).
  • 🔹 Tamper-resistant plug (a click is heard when opening for the first time).

Replacement instructions: how to fill Petrol Ofisi Maxima 5W-40 correctly

The oil change process is standard, but there are nuances associated with the features of this product:

  1. Warm up the engine to operating temperature (50–60°C), but do not turn off immediately - let the oil drain into the pan (5–7 minutes).
  2. Drain the old oil completely, tilting the car towards the drain plug (if possible).
  3. Replace the oil filter. For Petrol Ofisi Maxima 5W-40 filters with a high-density paper element are suitable (for example, Mann W712/94 or Bosch 0 451 103 336).
  4. Fill with new oil slowly, checking the level with a dipstick. The optimal level is between the marks MIN And MAX, closer to the top.
  5. Start the engine and let it idle for 2-3 minutes, then check the level again.

⚠️ Attention: When first replacing Petrol Ofisi Maxima 5W-40 after other oil (especially mineral) it is recommended to use flushing (For example, Liqui Moly Oil-Schlamm-Spulung). This is due to the high detergent properties of the oil, which can “raise” old deposits and clog the channels.

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Petrol Ofisi Maxima 5W-40 is optimal for cars with a mileage of 50–150 thousand km, where a balance between protection and price is required. For new engines (up to 50 thousand km), it is better to choose a fully synthetic oil with a higher alkaline number.

Analogues and what to choose instead of Petrol Ofisi Maxima 5W-40

If you are looking for an alternative, pay attention to oils with similar characteristics:

Oil Base type Benefits Disadvantages
Total Quartz 9000 5W-40 Semi-synthetics Low price, good cleaning properties Oxidizes faster under high loads
Shell Helix HX8 5W-40 Hydrocracking + synthetics High base number, stable viscosity 20–25% more expensive
Lukoil Luxe Synthetic 5W-40 Hydrocracking Good accessibility, suitable for HBO Less life at extreme temperatures
Mobil Super 3000 X1 5W-40 Synthetics (hydrocracking) Good wear protection, low volatility There are fakes

If you need oil cheaper, but with comparable quality, consider Rosneft Magnum Ultratec 5W-40 or Gazpromneft Premium N 5W-40. For turbocharged engines better to overpay for Castrol Edge 5W-40 or Motul X-Clean 5W-40 (they have a more stable viscosity at high speeds).

Frequently asked questions (FAQ)

Is it possible to mix Petrol Ofisi Maxima 5W-40 with another oil?

In emergency cases, mixing with oils of the same viscosity class is allowed (5W-40) and standard (API SN or ACEA A3/B4). However, after this, it is recommended to completely change the oil and filter as soon as possible. Prolonged mixing may result in sedimentation or deterioration of properties.

Is this oil suitable for cars with mileage of more than 200 thousand km?

For engines with high mileage, it is better to choose oil with high viscosity (10W-40 or 5W-50), since Petrol Ofisi Maxima 5W-40 may not provide sufficient protection for worn parts. In addition, in old engines there is often increased oil waste, and this oil does not belong to the category High Mileage.

How to distinguish original Petrol Ofisi oil from a fake?

The original oil has the following characteristics:

  • Canister with holographic sticker on the lid.
  • The production date is marked laser (not paint).
  • At the bottom of the canister there is raised brand logo.
  • The cork has tamper evident (click when opening for the first time).

Buy oil only from authorized dealers or trusted stores (for example, Exist.ru, Autodoc).

What is the actual change interval for this oil?

The manufacturer claims an interval of up to 15 thousand km, but in practice:

  • For urban operation (traffic jams, short trips) - 8–10 thousand km.
  • For route mode (constant high speeds) - 12–13 thousand km.
  • For gas engines (GBO) — 7–8 thousand km.

When used in turbocharged engines or hot climates, the interval should also be reduced by 20–30%.

Can this oil be used in turbocharged engines?

Yes, Petrol Ofisi Maxima 5W-40 Suitable for turbocharged petrol and diesel engines (without DPF), since it has approvals MB 229.3 And VW 502 00. However, for modern direct injection turbo engines (e.g. TSI, Ecoboost) it is better to choose an oil with a higher alkalinity number (for example, Liqui Moly Top Tec 4200 5W-40).