Evening all
Seen mixed reports about this engine, anyone got a definitve view of the 2.5L turbo diesel unit?
Is it reliable. Is it as torquey as a 2.5 petrol?
Cheers
Stu
2.5 TDS
Moderator: martauto
Assuming you mean the M51 donk?
If the car is cheap enough they're not a bad thing to smoke about in at all. However, they're not that economical (when diesel was cheaper than petrol they made a lot more sense) and the diesel pump is expensive to replace in old age. An E36 318i is probably a better prospect IMO unless you're getting a free supply of chip fat!
If the car is cheap enough they're not a bad thing to smoke about in at all. However, they're not that economical (when diesel was cheaper than petrol they made a lot more sense) and the diesel pump is expensive to replace in old age. An E36 318i is probably a better prospect IMO unless you're getting a free supply of chip fat!
Last edited by darkchild on Wed May 18, 2011 8:52 am, edited 1 time in total.
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bigwinn
- E30 Zone Squatter

- Posts: 1832
- Joined: Wed May 05, 2010 11:00 pm
- Location: Lincolnshire/Leicestershire border
no free chip fat so I think I'll stay with the petrol types...
Stu
Stu
Bronzit gone- she lives on
'89 325i auto touring: Malachite Green
Now, I'm no gynecologist, but I know a tw4t when I see one...
'89 325i auto touring: Malachite Green
Now, I'm no gynecologist, but I know a tw4t when I see one...
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Kieran_n22
- E30 Zone Regular

- Posts: 679
- Joined: Mon Aug 30, 2010 11:00 pm
- Location: North London
Good luck using chip fat on a TDS. Unless you want to buy a new pump!

What a nice car for £600. Bargain basement money. Shame about the wheels though - they look gash on an E39, never mind an E34.
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e301988325i
- E30 Zone Addict

- Posts: 3701
- Joined: Fri Feb 01, 2008 11:00 pm
- Location: Taunton, Somerset
I've got an E36 325 TDS touring manual, it's a nice engine, sounds nice, smooth, torquey, figure in the book is 195lb/ft, but the injection pump can be troublesome and VERY expensive.
I get mid to high 30's mpg, worse on the motorway, uneconomical above 75 miles an hour.
I'd reccommend LPG'd petrol for cheap running costs.
I get mid to high 30's mpg, worse on the motorway, uneconomical above 75 miles an hour.
I'd reccommend LPG'd petrol for cheap running costs.
I said:
Can anyone suggest how to test if the boot lights are staying on with the boot shut?
e30topless said:
lock the wife in there
Can anyone suggest how to test if the boot lights are staying on with the boot shut?
e30topless said:
lock the wife in there
e39 or e34? ive had both got on with them really well e34 lift pump struggles if you plan on running cooking oil e39 lift pumps take it like a dream both mine were fairly high milage . but the engine all in all are good engines my e39 tds was dynoed at 135 bhp and 250ftlbs of tourque at the wheels
Injections nice....but I'd rather be blown ;)
I owned an E34 525tds a few years ago and managed to get 700 miles out of a tank - driving like a granny!
I picked the car up for about £800, but must have spent about £1500-£2000 getting it fixed over the year of ownership - the engine just seemed to fall to bits
Don't think I'd get another one as the performance/economy/reliability and of lack of knowledge on the web for the M51 isn't great.
I picked the car up for about £800, but must have spent about £1500-£2000 getting it fixed over the year of ownership - the engine just seemed to fall to bits
Don't think I'd get another one as the performance/economy/reliability and of lack of knowledge on the web for the M51 isn't great.
Previously owned loads of old E30s, E34s, a few E36s, E32s, E39s and an E38.
Currently in a diesel Audi - miss me old E30's....
Currently in a diesel Audi - miss me old E30's....


