[Kassim786]

Hi guys as you might know I own a e93

When I got the car it said 9000 miles to the next oil change


Withing three months ( 2000miles) it has dropped down to 4100 miles

It is dropping by at least 200-300 miles a week


It will be my cars first ever service since new

Is this normal ???

[xenon]

The CBS reading drops down according to how much fuel is consumed, nothing more. Thus motorway muchers will drop down much slower than city cars.

[djgandy]

Originally Posted by xenon

The CBS reading drops down according to how much fuel is consumed, nothing more. Thus motorway muchers will drop down much slower than city cars.

Really? Driving habits not included (although you could argue they are proportional to each other somewhat). What if you redline every time you cold start? Surely that would be awful for your oil and your OCI.

[xenon]

It would but that's how it works. As you say, fuel consumed would vary somewhat proportionally to how it's driven. The amount of fuel consumed is as good as indication as any.

[dxb335d]

What engine? How do you drive and whats your MPG?

[windymissile]

Mine goes down fast. Probably 200% Is that normal or just because I'm driving like I stole it on my way to work?

[DocD]

Originally Posted by windymissile

Mine goes down fast. Probably 200% Is that normal or just because I'm driving like I stole it on my way to work?

I guess so, mine goes down pretty linear with actual mileage; I'm getting around 43mpg currently

[sylonien]

I don't know about fuel, but mine goes down consistent with the mileage I drive.

However the oil consumption seems very high on mine
1000 miles / 1 litre.

[DocD]

Originally Posted by sylonien

I don't know about fuel, but mine goes down consistent with the mileage I drive.

However the oil consumption seems very high on mine
1000 miles / 1 litre.

That seems very high, I've never yet had to add oil. Is the car very low mileage?

[gaza01]

Remember the CBS is both mileage and time related...whichever comes first. OP what is the date of yr last service? I think the CBS does a maximum of 2yr intervals

[sylonien]

Originally Posted by DocD

That seems very high, I've never yet had to add oil. Is the car very low mileage?

2007 M3 E92
Just had oil service done recently at BMW.

1000 miles later, bing add 1litre. Fine.
500 miles later, check, gone down to half again.

Added 200ml, still at half.

I suspect in the next <500 miles it will be down at top up level again.

Has been consistent since getting it in Christmas. Seem pretty linear / accurate? Well consumption is high, but I mean when I check the oil reminder, it is going down, now saying in 13,000 miles. When it was reset, it said 15k so its pretty accurate.

The brakes pads doesn't seem to budge though.

[Toby1990]

Originally Posted by sylonien

2007 M3 E92


The brakes pads doesn't seem to budge though.

My rear brakes one has just risen to 2100miles?? - this is after being on 2000miles for the last 5000 or so??

[windymissile]

Don't forget BMW design their engines to burn oil. I think 1L / 1000mls is acceptable. Mine 'bonged' just today. Needs a quart. But that's after 3k.

[tmarshall57]

My CBS gives me 21000 miles between oil changes. I drive mainly motorway miles. I get around 45 - 47 MPG on motorway trips.

The car has done 143,000 miles now and used to burn about 0.5 - 1.0 litre of oil between changes but burns none now. Must be run in.

[doughboy]

Originally Posted by windymissile

Don't forget BMW design their engines to burn oil. I think 1L / 1000mls is acceptable. Mine 'bonged' just today. Needs a quart. But that's after 3k.

BMW are no different to any other mass market enginer manufacturer.

All parts have tolerances and some engines will naturally lose oil, luck of the draw, but they are not 'designed' to burn oil, that would be environmentaly irresponsible and pointless.

An engine loses 95% of its oil loss on cold starts, so do a lot of cold running and you'll lose more, also poor running in will affect the engine for life.

I've never had any BMW engine use any oil whatsover, but I owned them both from new and always run in and be very gentle till they're warm.

My 330i and 335i both never lost a drop between services and over 100k miles between them.

[Kassim786]

Originally Posted by gaza01

Remember the CBS is both mileage and time related...whichever comes first. OP what is the date of yr last service? I think the CBS does a maximum of 2yr intervals

Sorry for the late reply guys


The date for specified for my oil change is 07/2014

So next year or in 3800 miles -.-


I do a lot of cold starts but how else an I meant to darn start the car ?

[djgandy]

That's not the point. The point is doing lots of small trips on cold is bad for the engine and the oil. If you are driving 2 miles twice a day you are going to get poor fuel and oil consumption.

[sylonien]

Does 20 miles count as short trips? I drive that to work and another 20 miles back home. Going down like mad my car.

[dxb335d]

No mate, car is fully up to temp quite quickly on M cars.

[Kassim786]

Hmmm that's true

I mostly do 15-25 miles a day

All of it is generally in town ... Damn this is going to be a right pain in the neck if in going to own the bimmer for longer than 2 years -_-

[djgandy]

Just get it serviced when it needs it?! Why do you worry about servicing? Thing's aren't meant to come out of the factory and just work forever. You can get oil changes done outside of the dealer for £60 odd. £60 to keep the most expensive part of the car in good nick. Money well spent.