Dinan Diff...your thoughts... - The Unofficial BMW M5 Messageboard (m5board.com)

NoFear · 8th October 2009, 22:22

Hey guys,
I want to go with the dinan diff and I read all the posts I could on this.....not much of a feed back exept for some whinning issues and not being able to floor the car on auto mode(not that I drive auto,my wife does at times

but is this mod worth $3.5 grand?would you do it?Thanks for the feed back

Pio · 9th October 2009, 03:09

Hey nofear - I had a bunch of diff questions myself - check this link out, has some great info on the Dinan part as well as the Evosport

AFTERMARKET PERFORMANCE MODS (HUGE COMPILATION)

You might want to check out this video as well - shows the high speed advantage stock gearing has.

YouTube - The DFW M5 Challenge

Best of luck

ehmfive · 9th October 2009, 04:50

^^ great video to base it's performances

G ///McGregor K · 9th October 2009, 04:57

Don't do it!! I'll try and find Wolverine's thread -- I was on the fence on this mod and his thread convinced me not to do it because of catastrophic failure

G ///McGregor K · 9th October 2009, 04:58

Dinan Diff Failure - Part 2

m630 · 9th October 2009, 05:00

Do some further reading on the M5board, there have been some quality control issues experienced by a number of members with some unfortunate and costly outcomes...

NoFear · 9th October 2009, 05:11

Thank you guys for the feed back.....i have decided not to do it after all the extensive reading I have done on it from the forum and from all your feedbacks.....not worth the hassel and 3.5 grand...thanks again

Pio · 9th October 2009, 05:13

Quote:

Originally Posted by NoFear

Thank you guys for the feed back.....i have decided not to do it after all the extensive reading I have done on it from the forum and from all your feedbacks.....not worth the hassel and 3.5 grand...thanks again

I came to the same conclusion - I'm taking the intake, exhaust and pulley route.

NoFear · 9th October 2009, 05:22

Same here,ordered the pulley,MAF and ecu stage3 software....we'll see how that goes....Cheers

AlpineMsix · 10th October 2009, 01:01

that video clearly shows the dinan 3.91 is horrible, every car pulls on him.. i bet u a stock m5 will pull on the m5 with the 3.91... it seems like the diff is only meant for zero to 60times

deff dont get it