M51 tds chip - anyone fitted one to an E34 or E36 ?

Post Sun May 31, 2009 10:43 am

Thinking of getting myself one of these

http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 0323781377

Anyone used this seller/have any experience or recommend elsewhere to chip the old diesel

Post Sun May 31, 2009 9:08 pm

I've got a 325tds e36, the boost is not electronically controlled so how will this chip raise the boost pressure, and raise the fuel pressure, diesels don't work like that. sounds like BS to me, go somewhere reputable.

Post Sun May 31, 2009 9:15 pm

Nice one thanks for the reply

I'm happy with it but always like to tinker

Post Sun May 31, 2009 9:19 pm

I'vce just fitted one of the hot start fix boxes off ebay, does yours turn over for too long when hot??

Post Sun May 31, 2009 9:24 pm

I've heard about this hot start issue but I don't have it - the only time I've had trouble starting is when there's not much diesel in it.

BTW - is this thing easy to fit/cost much and would be worth doing anyway?

Ta

Post Sun May 31, 2009 9:34 pm

yeah, can reccomend fitting it it's really solved the problem, easy to fit, split the temp sender wire and connect the hot start box in series, then take live from glow plug relay and earth the box. if you do it, solder rather than use the choc blocs provided as they mess the resistance up.

Post Sun May 31, 2009 9:37 pm

Might look into that in case the problem arises ! do you have a link ?

Post Sun May 31, 2009 9:43 pm

apart from anything it saves the life of the starter motor!

ebay item number 370208143770

Post Sun May 31, 2009 9:56 pm

Nice one, thanks - good price so will order one

Now the search to get more mpg and power from the old girl

Post Sun May 31, 2009 10:13 pm

k and n do a replacement filter element . . . diesels don't need a cat for MOT . . .

Post Sun May 31, 2009 10:22 pm

Thanks for the advice cheers, may look at the cat removal but will never fit a k&n filter to any of my bm's

Post Tue Jun 02, 2009 4:03 pm

I had an '96 E36 325tds Touring which was as flat as a pancake when I bought it .
It had an operating band of 2500rpm-3250rpm and wouldn't do over 155kmh (@95mph)
Also consumption was in region of 32-33mpg .

So after reading an advert in Total BMW and then calling for a chat with Jason (an extremely nice and knowledgable guy) I took it to BW Chip Tune in London when I was on hols last summer .

It took him about 75 mins to take out the old chip , re-programme a new one , and re-solder it back onto the ECU . If I remember correctly it cost me @ £325 .

Afterwards , the car was completely different . Like a new car .
The operating band started at 1750rpm and would go round to 4500rpm , and pulled cleanly all the way through .
It was far quicker on acceleration (it couldn't have got any slower !!) and would happily cruise at 180kmh (@110mph) a speed it hadn't even seen before . And I saw 225kmh (@140mph) on the clock on several occasions .
Not only that but economy improved to 35-38mpg deoending on if you used the new found 'power/torque'

After running the chip in for 1wk , I had it on a rolling road and the power had increased to 186bhp . Can't remember exactly new torque figure , but I believe it was @ 30% increase .

I had no problems afterwards with hot/cold starting etc , and since I've sold it on to a friend he has marvelled in how fantastic it is . It's now got 235,000kms (@145,000mls) and it's as sweet as a nut .
I cannot say how amazed I was with the re-chip , if it'd been someone elses car and they told me the difference , I wouldn't have believed them !!

Well worth a call to Jason .

Hope this sheds some light on things .

Chris