Which Oil
Full synthetic isn't automatically the right answer
There are three real choices: conventional, synthetic blend, and full synthetic. Which one belongs in your engine is written in the owner's manual as a viscosity grade and a specification, and that's the decision already made for you by the people who designed it.
Where it matters is the specification, not the word on the bottle. A modern turbocharged engine often requires an oil that resists coking on a hot turbo shaft. Putting a cheaper oil in one of those saves a few dollars and shortens the life of an expensive part.
The filter is the other half and it gets skipped more often than people realize. A filter that has gone past its capacity opens its bypass valve and starts circulating unfiltered oil. We change it every single time, and we write down what went in so the next visit has a record to work from.
An oil change is the visit where small problems get caught. The tech under the car sees a weeping strut, a cracked exhaust hanger, brake pads near the wear line, or tires wearing on one edge, which is the sign to book an alignment. You get a report, not a sales pitch, and on diesel trucks the oil, filter and interval are all different.
When It Is Due
How to tell an oil change is actually due
The sticker on the windshield is a guess made before you drove anywhere. These are the things that tell you where you really are.
The maintenance light came on
Most modern cars calculate oil life from engine load, temperature and trip length rather than distance. When the system asks, it has already done the math on how you drive. It's worth trusting.
The oil on the dipstick is black and thin
Fresh oil is amber and has body to it. Oil that has sheared down runs like water and no longer holds a film between moving parts. Color alone isn't proof, but color plus thin texture is.
You're below the minimum on the dipstick
Every engine uses some oil. An engine that needs topping up between services is telling you something, and the answer is a leak check rather than another quart.
Mostly short trips around town
A run down Woodward that never gets the oil to full temperature leaves fuel and moisture in the sump. Short-trip driving is harder on oil than highway miles, and the interval should be shorter for it.
A ticking sound on a cold start
Oil that has thickened or dropped in level takes longer to reach the top of the engine. If it clatters for a second or two before quieting down, don't wait on the next service.
You genuinely can't remember the last one
Then it's due. There's no version of this where the answer is to leave it a bit longer.
Specification, Not Brand
The approval on the bottle is the part that matters
Viscosity is only half of what your engine asks for. The other half is an approval code, and it is the reason a bottle of the correct grade can still be the wrong oil. These are the ones we see most often in Royal Oak.
| Approval | Who asks for it | What it is protecting |
|---|---|---|
| dexos1 Gen 3 | GM gasoline engines | Deposit control on direct injection, and resistance to low speed pre-ignition in small turbocharged engines. |
| dexos D | GM diesel | Soot handling and aftertreatment compatibility. |
| MB 229.5 / 229.51 | Mercedes-Benz | Long drain capability, and on the 229.51 a low ash content the particulate filter depends on. |
| BMW Longlife-01 / -04 | BMW and Mini | Shear stability across a long service interval. The -04 is the emissions-system-safe version. |
| VW 502 00 / 504 00 | Volkswagen and Audi | Turbo coking resistance, and on 504 00 a low ash chemistry for cars with a particulate filter. |
| Chrysler MS-6395 | Stellantis gasoline | Standard protection plus the wear requirements of the Pentastar and Hemi valvetrains. |
| API SP / ILSAC GF-6 | Most Asian and domestic engines | The current baseline. Any oil sold as SP already carries the low speed pre-ignition testing. |
If you do not know what yours takes, we will look it up before anything is opened. Putting a cheaper oil into a turbocharged engine saves a few dollars now and takes life off a part that costs considerably more than the difference.
What You Get
Every oil change includes
- Manufacturer-spec oil at the correct grade
- A new oil filter, every time
- Fill checked on the dipstick, not by the bottle
- A free multi-point inspection
- Tire pressures set
- Fluid levels topped where needed
- Maintenance light reset
- Your service recorded for next time
Worth knowing
Your oil filter has a valve that gives up
Every filter carries a bypass, because an engine starved of oil dies faster than one fed dirty oil. Once the filter is full, that valve opens and the engine circulates unfiltered oil instead. Nothing warns you. It is the reason the filter is changed every time rather than every other time.
The Visit
What an oil change here actually involves
You're buying an inspection with an oil change attached, not the other way around.
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We look up what your engine takes
Grade and specification from the manufacturer, not a house brand substitution. If your car needs something unusual we tell you before we start.
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Drain, new filter, refill to spec
The filter is replaced every time and the sump is filled to the correct level, checked on the dipstick rather than by counting bottles.
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A free multi-point inspection
Brakes, tires, belts, hoses, fluids, battery and lights. This is where most problems get found early, because the car is already on a lift.
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You get told what we found
Green, amber and red. What is fine, what to watch, what needs doing. We don't turn an amber into a red to sell work today.
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Reset and record
Maintenance reminder reset and the oil, filter and mileage written into your history so the next interval is based on fact.
Questions
Oil change questions
How often should I change my oil?
Do I need an appointment?
Do you use full synthetic?
How long does it take?
Is the inspection really free?
Will an oil change fix my oil leak?
Can you use oil I bring in?
Related Work
Often found during the inspection
In Their Words
What customers say about their oil change
★★★★★
Excellent all around. Just moved to Royal Oak and needed an oil change and they had a great deal. They got me in and out. They did not over sell me. Told me what could be coming on the horizon but felt zero judgement or pressure. Great waiting room with snacks and drinks. Highly, recommend.
★★★★★
First class service experience. I’ve returned with my new ‘26 BMW for a non-recommended early oil change. Great service and communication. I had to wait a few extra hours this time so they could be sure to have enough of the correct oil recommended for my vehicle. I really appreciate that dedication to quality.
★★★★★
I took my Porsche here for an oil change and inspection was included so I’ll be honest, they were really helpful and educated! I’ll definitely be back and I give them 5 stars. Nothing but honestly during my appointment and no pressure for spending extra money or anything during my time there at all!
Book It
Due for an oil change?
Walk in or book online. 29444 Woodward Ave, Royal Oak. Free multi-point inspection with every service, and we'll tell you what we found before we touch anything.