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dubbimmer ![]() Newbie ![]() Joined: 03-January-2008 Status: Offline Points: 9 |
![]() ![]() ![]() ![]() ![]() Posted: 15-January-2009 at 17:31 |
Hi All,
I have asked 3 different sources and got 3 different answers to the pressure I should put in my tyres. I have an 03 520 (E39) and the wheels are Front: 225/45/18 Rear: 235/45/18 I have Bridgestone Potenza tyres, I never have anyone in the car and drive city and backroads. Thanks |
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larzyh ![]() Really Senior Member II ![]() ![]() Joined: 25-February-2007 Location: Limerick Status: Offline Points: 633 |
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For what it's worth, I am running an E46 on 18's with 2.1 bar in front and 2.5 bar in the rears (225/40 and 255/35 Michelin PS2).
These are the numbers, for up to four passengers, in the door jamb of my car. Edited by larzyh |
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Larzyh.
Previously or currently, in the family: '77 E21 320, '78 E21 320, '79 E21 320, '87 E28 520i, '88 E30 325iC, '95 E34 525i, '98 E39 528i, '98 Z3 2.5, '98 E38 740iL, '95 E36 Compact, '99 E36 318iT, '02 E46 318iT, '96 E34 525tdsT, '98 E38 740iL... |
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Ballcock ![]() Senior Member II ![]() ![]() Joined: 07-September-2006 Location: Galway Status: Offline Points: 208 |
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As far as I'm aware, that rear tyre size was never officially fitted to the E39 - the rear should be 245/40/18 (assuming staggered alloy wheels). Anyhow - correct 18" tyre pressures should be as has already been said be on a sticker on the door jamb & also in the owners handbook. |
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E34 Pilot - Keeping it Old School on Irish Roads.
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Maniac ![]() Groupie ![]() ![]() Joined: 03-November-2008 Location: Dublin Status: Offline Points: 88 |
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7. Safety & Inflation Pressure Car manufacturer’s tyre pressure recommendations should always be followed and can be found in the car manual. Incorrect tyre pressure is one of the major causes of tyre degradation. This seriously affects safety, driving performance,tyre life as well as fuel consumption .Thus we recommend that: - You measure and adjust pressure when the tyre is cool at least once a month (for continuous high-speed highway driving, increase recommended tyre pressure by 0.2 to 0.3 bar (3 to 5 psi)). - You check tyre wear with tread wear indicator. They appear in the main grooves when tread has worn down to 1.6mm, indicating that tyres MUST be replaced. Bridgestone Official Information. Some tyres have tyre pressure printed on the tyre, but seems like its more important to follow car manufacturer recommendations. And as already said- these pressures should be in the handbook or inside car (open the door and there should be sticker on the side of the door or doorframe) |
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I dont wear seatbelt - I die like a man!
E39 523i |
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dubbimmer ![]() Newbie ![]() Joined: 03-January-2008 Status: Offline Points: 9 |
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Thank you all for your responses
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Mike Ryan ![]() Senior Member I ![]() ![]() Joined: 17-February-2008 Location: Limerick Status: Offline Points: 120 |
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For what its worth, the following from the pillar of the drivers door on a 98 E39. Front 235/40ZR18 1.9 Bar all loads. Rear 265/35ZR18 2.3 Bar light load and 2.8 Bar full load.
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Euro Builts are Better. Drive one and you directly support jobs in the Irish car component manufacturing industry.
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