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E92 M3 running costs


Andrew
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A guy on an M3 specific forum did a fair bit of research on the parts required for the expensive 3rd oil service and posted the following so thought I'd share:

"I've researched and sourced all the parts myself. Oils / fluids and Mahle oil filter were from Opie. Spark plugs from ebay £70. The rest sourced from BMW.

NGK LKR8AP spark plugs x8

Gearbox holds 2.2L

Fuchs Titan Sintofluid SAE75W-80 synthetic MTF

1L = £9.25

BMW approved 2300 1434 404 / 7533 513 / 7533 818 and API GL-5

Diff holds 1.1L

Castrol Syntrax Limited Slip 75W 140 (formerly SAF-XJ 75w-140)

fully synthetic and specifically designed for BMW differentials. BMW approved - API GL-5

1L = £12.52

Redline limited slip differential friction modifier

compatible with synthetic gear oils - only add enough to eliminate diff chatter (grinding noise). Add a quarter at a time.

API GL-5 & GL-6

0.118L £13.18

gearbox filter gasket ring7119963300

pollen filters pack 4 active carbon charcoal64319159606

For the cabin pollen filters and air filter, try and buy the parts from your dealer with a discount. Most give at least 10%."

I'll be supplying the engine oil and spark plugs myself which should bring the bill from the dealer down to £650 or so I hope.

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  • 2 months later...

Just had the third oil service done which included:

Oil (supplied almost 9l myself at about £100)

Gearbox oil

Diff oil and additive (I supplied oil but not the additive and they said they could not use it)

Spark plugs

All filters

Total price, £650. Next service in 2 years so actually not too bad at all. All done and dusted by Eastern in Edinburgh who are always pretty good. Was a bit miffed about the diff oil as I was told the additive it needed was separate (as per the info above actually) but they said they needed the newer stuff so I could not really argue. So, if anyone could use 2l of Castrol Syntrax Limited Slip 75W 140 (formerly SAF-XJ 75w-140) then do shout!

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I've no idea about BMW servicing costs having been used to Audi's ass-raping but fook me, that sounds expensive.

£650 for labour for an oil change (sweet FA as they do other stuff while it drains and fills), couple of litres of diff oil and gearbox oil + labour, plugs and a couple of flters (oil/pollen/air?). Plus the usual "99 point check" which involves spraying white gunk on hinges , topping up fluids and kicking the tyres.

No idea if that's good or bad but for [a bit less than] that money, I got a service + cam belt/tensioners + brake fluid change + wiper blades + MOT last year on the A4. I know it's not an M3 but why would 6 cylinders mean double the cost (and some) of 4?

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Purely and simply the pricing is down to perceived wealth, i.e. you can afford an M3 so you can afford to pay more to service it, simple as that.

Plugging a computer in and checking for error codes, draining and refilling oil, changing the filters etc, is no more complicated or specialised on an M3/RS4/911 etc etc, than it is on a Mondeo or Corsa etc, ok so the oil may be better quality, and in the case of the oil and plugs, higher quantities, but in terms of doing the actual work, there is no more labour involved.

Just seems to be the way it is though.

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Actually, it was the parts that were filthy expensive. Filters etc. The missus got her MX5 done and that was about £500 for a major. Now, BMW charged me £15 a plug and you can source them for £10. Mazda charged £24 a plug and I found them online for £3 ...

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The M3 is a very, very complex car. Labour at £100 an hour minimum is going to add up.

If you try buying E92 M3 spark plugs online you'll find they're £15-17 each so the fact a dealership has charged £15 is a good deal in my book.

p.s. swap your panel filter to a K&N. The sound alone is well worth it.+++

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The M3 is a very, very complex car. Labour at £100 an hour minimum is going to add up.

The point is though, that no matter how complex the car is, changing the oil is still changing the oil, it's no more difficult or complex a procedure than it is on a VW Polo.

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You've never changed the oil on a car have you?

Remove undertray, undo sump plug, drain oil, replace oil filter, replace sump plug, replace undertray, refill oil, not rocket science, and the oil drain and filler are always in the same place, bottom and top of the engine respectively.

Yes, sometimes accessing the rear most spark plugs can be tricky, but any decent mechanic will know the quickest way of getting them out, or like most main dealers, they simply won't bother changing them, as they know you'll never be able to check.

Simple servicing really isn't difficult, they make things easilly accessible.

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I'm just saying I don't think your gauge of "they've got more money, therefore services cost more" is true.

Bentley offer fixed price servicing.

Look at the rise of Service Inclusive packages too.

Yes I have changed oil, on my first 2-3 cars as it happens. I won't say how long it took me.:roflmao:

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I'd imagine that given the theory is that M mechanics are specialists, that training must cost more and is reflected in anything I pay.

I too used to service my 1987 Fiesta - filters, sparks, HT leads, rotor arm thing, dist cap and oil.

Incidentally the BM oil change is charged at about £50 (labour alone) which I suppose is quite alot. They do get rid of the oil. Oh, and given its electronic dip stick might that take a bit more time to sort?

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The M3 is a very, very complex car. Labour at £100 an hour minimum is going to add up.

If you try buying E92 M3 spark plugs online you'll find they're £15-17 each so the fact a dealership has charged £15 is a good deal in my book.

p.s. swap your panel filter to a K&N. The sound alone is well worth it.+++

I'm not condoning why dealers charge what they do, but if you look at what's involved to get to the spark-plugs, you can see why they charge a lot. Back when I tinkered with car maintenance, the hardest bit of getting to a spark plug was removing the HT lead, on the E92 M3 you need to remove a LOAD of bits (top air box, trims, etc...) to get to the individual coil pack per plug.

I went for a BMC filter, odly you couldn't hear much difference from the driver seat, but sat in the passenger seat you could really hear it.

BMC - FB536/08

FB536_08.JPG

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Before I had the remap on the Z I changed the filter to a K&N and the noise difference is very noticeable indeed. For £55 and no impact on insurance (I rang them and they said no change, which isn't what they said when I had the remap done :roflmao:) it was a bargain modification.

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