Raising the rear of a M sport convertible

Sharpy67 · 08-31-2012, 04:41 PM

Hi I have a 2005 3 series M sport convertible with 19" alloys fitted. when i first got the car there was no scrubbing e.t.c. I have since had an LPG system fitted in the boot which with the extra weight is now causing the rear wheels to occassionaly scrub the arch when cornering or hiting dips in the road. Is there any springs from another model of BMW which would fit straight on to mine that would raise the back end of the car around 10 to 20 milimeters.
Thanks in advance for your help.
John

Snik · 08-31-2012, 04:49 PM

whats LPG, liquid petroleum gas?

You can change the springs to stiffer ones, or you can try adding the thickest spring pad.
If these are stock springs, there is a good chance theyre just tired from years of use and just replacing them would work, or maybe OE springs from a heavier model 3er, but without doing the fronts too, you risk ruining handling and potentially making the car unsafe.

Sharpy67 · 08-31-2012, 05:00 PM

Hi thanks for the reply, LPG is low pressure gas, it comprises a 70 litre tank fitted into the spare wheel well.

Snik · 08-31-2012, 05:07 PM

WTH is that for? you trying to get airborne?

zander271 · 08-31-2012, 05:10 PM

Quote:

Originally Posted by Sharpy67

Hi thanks for the reply, LPG is low pressure gas, it comprises a 70 litre tank fitted into the spare wheel well.

I take it you installed it for long road trips? I used to have an extra tank in my 1983 240D I could go 950 miles without filling up

Alex323Ci · 08-31-2012, 05:11 PM

as said, thicker rear spring pads for a small lift
http://www.uucmotorwerks.com/html_te..._clearance.htm

afstud · 08-31-2012, 05:15 PM

its actually a really popular conversion done is europe, wheeler dealers tried to do it on a first generation range rover,

http://www.lpgconversionservices.co.uk/index.html

Sharpy67 · 08-31-2012, 05:33 PM

it was purely an economical thing, the cost of fuel in the UK is scandelous, LPG is just over half the price. Thanks for all your help, I think ill give the spring pads a go and see if it cures it.

jdstrickland · 08-31-2012, 06:38 PM

If you have a 265 tire, you can try a 255 or 245 and see if less rubber on the same wheel does the trick. What tires are you using?

And, you can do a procedure called "rolling the fenders." This rolls the inside of the fender outward so the tires clear. You did not say if the tires hit the fenders or the insides of the wheel wells.

jdstrickland · 08-31-2012, 06:40 PM

I don't understand why one would put LPG onto an M3, but I pay $4.00 per gallon, not $4.00 per liter.

Snik · 08-31-2012, 06:41 PM

its not an M3... its a 318 M sport.

Sharpy67 · 09-01-2012, 04:45 AM

Its the edge of the wheel that is catching.

Sharpy67 · 09-01-2012, 04:46 AM

Does anyone know what thickness of spring pad is fitted to this car as standard?

08-31-2012, 04:41 PM	#1
Sharpy67 Registered User Join Date: Apr 2012 Location: Ayrshire Posts: 5 My Ride: 318ci sport converti View My Garage	Raising the rear of a M sport convertible Hi I have a 2005 3 series M sport convertible with 19" alloys fitted. when i first got the car there was no scrubbing e.t.c. I have since had an LPG system fitted in the boot which with the extra weight is now causing the rear wheels to occassionaly scrub the arch when cornering or hiting dips in the road. Is there any springs from another model of BMW which would fit straight on to mine that would raise the back end of the car around 10 to 20 milimeters. Thanks in advance for your help. John

08-31-2012, 05:11 PM	#6
Alex323Ci Registered User Join Date: Jan 2005 Location: Huntington Beach -Surf City USA Posts: 15,114 My Ride: M3 & 323Ci (sold) View My Garage	as said, thicker rear spring pads for a small lift http://www.uucmotorwerks.com/html_te..._clearance.htm __________________ OEM CSL WHEELS - OEM CSL BRAKES - OEM AUTOFOLD MIRRORS - CSL TRUNK - CSL DIFFUSER - AA SPORT TUNE - AA PULLEYS - BILSTEIN PSS9s - AUTOSOLUTIONS SSK CF CSL RACE LIP - NAVI HU - BMW PERFORMANCE CF STRUT BAR - BMW GROUP-N MTRMTS - UUC SS BRAKELINES, TRANS MOUNTS, RTABs - 4.10 BMW M-SPORT DIFF

08-31-2012, 05:15 PM	#7
afstud Registered User Join Date: Jun 2010 Location: NE Wisconsin Posts: 958 My Ride: 02 & 04 325xi sports View My Garage	its actually a really popular conversion done is europe, wheeler dealers tried to do it on a first generation range rover, http://www.lpgconversionservices.co.uk/index.html __________________ 2002 325xi Sport 5 speed Euro clears, short shifter, style 119 wheels 2002 GMC Envoy SLT (stock)

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08-31-2012, 05:00 PM	#3
Sharpy67 Registered User Join Date: Apr 2012 Location: Ayrshire Posts: 5 My Ride: 318ci sport converti View My Garage	Hi thanks for the reply, LPG is low pressure gas, it comprises a 70 litre tank fitted into the spare wheel well.

08-31-2012, 05:33 PM	#8
Sharpy67 Registered User Join Date: Apr 2012 Location: Ayrshire Posts: 5 My Ride: 318ci sport converti View My Garage	it was purely an economical thing, the cost of fuel in the UK is scandelous, LPG is just over half the price. Thanks for all your help, I think ill give the spring pads a go and see if it cures it.

08-31-2012, 06:38 PM	#9
jdstrickland Registered User Join Date: Apr 2010 Location: Murrieta, CA Posts: 4,978 My Ride: '94 325iC & '00 323i View My Garage	If you have a 265 tire, you can try a 255 or 245 and see if less rubber on the same wheel does the trick. What tires are you using? And, you can do a procedure called "rolling the fenders." This rolls the inside of the fender outward so the tires clear. You did not say if the tires hit the fenders or the insides of the wheel wells.

08-31-2012, 06:40 PM	#10
jdstrickland Registered User Join Date: Apr 2010 Location: Murrieta, CA Posts: 4,978 My Ride: '94 325iC & '00 323i View My Garage	I don't understand why one would put LPG onto an M3, but I pay $4.00 per gallon, not $4.00 per liter.

09-01-2012, 04:45 AM	#12
Sharpy67 Registered User Join Date: Apr 2012 Location: Ayrshire Posts: 5 My Ride: 318ci sport converti View My Garage	Its the edge of the wheel that is catching.

09-01-2012, 04:46 AM	#13
Sharpy67 Registered User Join Date: Apr 2012 Location: Ayrshire Posts: 5 My Ride: 318ci sport converti View My Garage	Does anyone know what thickness of spring pad is fitted to this car as standard?