N47 520D remapping question
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Location: Cwmbach, S.Wales, UK
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My Ride: BMW 520D SE
Model Year: E60 2007
Engine: N47
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Evening all,
I have an E60 520D, 177bhp standard, 76k miles - very well looked after.
Have just came back from having it remapped with a stage 1 remap, to say I am disapointed would be an understatement.
When going for a test drive with the guy who performed the remap for me, I commented that the car felt no different performance wise, he advised that I was changing gear to soon in the rev range. I change gears at around 2500rpm, but the remapper guy says I shouldn't be changing until 3500-5000rpm (which to me feels like the engine is screaming at me).
I advised that I don't drive that way, and that my girlfriends car (a 306 HDi which has also had a stage 1 remap) almost flies when at 1700-2500rpm, as such I kinda felt my car should behave similarly. He also advised that the map on the 306 HDi is a rubbish map as it boosts to early in the rev range, which will cause damage. This is something I find hard to believe, as the guy who I had that map from is very well known and respected in the HDi world (Pro_Steve).
I have drove the car on a local dual carriageway, and went up to 4000-5000 rpm - and again, felt little to no difference in performance compared to the original standard map.
Am I expecting to much ?, or is the remapper bs'ing me ?
Any advice gratefully received.
I have an E60 520D, 177bhp standard, 76k miles - very well looked after.
Have just came back from having it remapped with a stage 1 remap, to say I am disapointed would be an understatement.
When going for a test drive with the guy who performed the remap for me, I commented that the car felt no different performance wise, he advised that I was changing gear to soon in the rev range. I change gears at around 2500rpm, but the remapper guy says I shouldn't be changing until 3500-5000rpm (which to me feels like the engine is screaming at me).
I advised that I don't drive that way, and that my girlfriends car (a 306 HDi which has also had a stage 1 remap) almost flies when at 1700-2500rpm, as such I kinda felt my car should behave similarly. He also advised that the map on the 306 HDi is a rubbish map as it boosts to early in the rev range, which will cause damage. This is something I find hard to believe, as the guy who I had that map from is very well known and respected in the HDi world (Pro_Steve).
I have drove the car on a local dual carriageway, and went up to 4000-5000 rpm - and again, felt little to no difference in performance compared to the original standard map.
Am I expecting to much ?, or is the remapper bs'ing me ?
Any advice gratefully received.
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