Hi All, just thought I would give you a update. Checked gearbox level and ok. The reset gearbox adaptations I had already done so I though I would take off the rear two tyres as they had different brands each side. When placed side by side on a level surface there is a 11mm difference in height. So ...

Ok thanks for the replies, I did not know about the * marked tyres but will check what is on the car and measure the rolling radius of each tyre. Before I go to the expense of changing them has anyone had the change up problem just from incorrect tyres being fitted. If I had another set of wheels I ...

Hi henryx3. Yes this is what I thought to.
I am not convinced it is a tyre problem as it can happen in 1st gear as well as 4th so not speed related! But no codes to read off the ecu.
Is there a valve/sensor that controls the change up under load? Or could it be the maf?

Hi x5sport. Thanks for the reply Ok sounds like I should buy 2 new rear tyres as they are different tread patten and brand. With a possible mismatched circumference. Yes front and rear are staggered widths. No other problems. Drives well. Apart from if you accelerate hard. You could set off ...

Hi All. My first post (apart from the welcome section) Have a 2003 x5 with the 3l Petrol engine. It appears to have a fault, as when you accelerate under load. Ie. When overtaking or entering a motorway. The car changes down a gear then accelerates upto the Rev limiter then won’t change up unless y ...

Hi All.

New to this forum as recently got a 3l x5 on a 2003.

Have lots of cars and love talking ablout them !

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