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Dynamic Drive and harsh suspension

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Old 03-31-2005, 01:05 AM
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My Ride: 535 D - to be delivered end Feb 2005 - color E08 - comfort seats - executive leather balck - 122 wheels - dynamic drive - active steering - pack luxe - tecnology pack - moon roof - 6CD player - hifi system - spare wheel - BT phone
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Since I am driving my new 535D with dynamic drive, I found the rear suspension pretty harsh. The front is OK.

The car is equiped with 122 wheels (245/45/17 W) and Goodyear NCT5.

I use the lowest air pressure indicated on the sticker: 2,6 bars.

Is it runflat related or any DD malfunction?

Any feedback or advice?
Old 03-31-2005, 02:13 AM
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I do not think that DD cud affect the roughness of the ride.
Old 03-31-2005, 09:09 AM
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My Ride: 2004 545i 6 spd Sports Package | NAV | PDC | Logic 7 | BT retrofit | SW V13.3
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Originally Posted by FJPM' date='Mar 31 2005, 02:05 AM
Since I am driving my new 535D with dynamic drive, I found the rear suspension pretty harsh. The front is OK.

The car is equiped with 122 wheels (245/45/17 W) and Goodyear NCT5.

I use the lowest air pressure indicated on the sticker: 2,6 bars.

Is it runflat related or any DD malfunction?

Any feedback or advice?
[snapback]109106[/snapback]
RF related!!!
Old 03-31-2005, 10:22 AM
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Just picked up my new 545 and was pleasantly suprised by the ride quality...much nicer than I recall from test drive. Drove all through Europe on all kinds of roads and it was great. What car are you comparing it to?
Old 03-31-2005, 11:10 AM
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Same sensation with my car.
I think is related to runflats, but I will ask the dealer if any DD set-up is available.
Old 03-31-2005, 11:34 AM
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I do not think it is DD related. My new 520 Sport on 18" Goodyear RFT's is somewhat crashy from rear suspension on poorly surfaced roads. On good roads the ride is excellent. I did reduce the tyre pressures on delivery to recommended unladen pessures as indicated on the door jamb sticker.
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Old 03-31-2005, 11:48 AM
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Originally Posted by skorpyo25' date='Mar 31 2005, 01:10 PM
Same sensation with my car.
I think is related to runflats, but I will ask the dealer if any DD set-up is available.
[snapback]109407[/snapback]
DD setup? Don't waste your time with the dealer. Answer is no. DD actually improves ride quality by softening up the sway bars when you don't need them. When cornering on rough pavement, yes the ride will be rougher because the DD tightens the sway bars up substantially, hence the lack of body roll.
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