550i 1 Report post Posted February 20, 2017 Hi just wondering has anybody remapped there 550i naturally aspirated V8 I know often people are remapping the turbo cars is it worthwhile in N/A bmw ? Are there any reliability issues etc? I know they often has saying at 10 to 15 horsepower increase + improve fuel economy but does anybody have any experience . Thanks. I have an Arqray axle back exhaust not that it would make much difference. Quote Share this post Link to post Share on other sites
550i 1 Report post Posted February 21, 2017 I spoke to Gavin at high velocity and he doesn't do a remap for this particular car hasn't had enough demand and didn't think they would be good gains to be had, suppose he might say that since he doesn't offer that service but yeah I will leave well enough alone. Quote Share this post Link to post Share on other sites
550i 1 Report post Posted February 21, 2017 Once a modifier always a modifier.. I hear that there's not much point even changing the air intake ?? Lol I should just do the wheels and be happy I guess. 1 Quote Share this post Link to post Share on other sites
NZ BMW 368 Report post Posted February 21, 2017 My X5 has the same engine as this car. There are guys in the US and UK who have had them tuned or chipped and reckon they are getting close to 390hp out of them. Personally I doubt it.... Quote Share this post Link to post Share on other sites
BreakMyWindow 1891 Report post Posted February 21, 2017 I've not seen the 550i headers but they may be a choking point. A remap in conjunction with well designed headers will probably make a noticeable difference. Then again so would just upgrading to the v10 1 Quote Share this post Link to post Share on other sites
550i 1 Report post Posted February 22, 2017 Yeah not looking to break the bank . Car goes well enough I guess . Will just do the wheels and enjoy not having aftermarket headaches. I do want to get the Bluetooth going as well has got the NZ SatNav installed. But no Bluetooth . Cheers Quote Share this post Link to post Share on other sites
*Glenn* 856 Report post Posted February 22, 2017 Talk to Joe @ Eurosurgeon....http://www.eurosurgeon.co.nz/ Quote Share this post Link to post Share on other sites
Family Wagon 23 Report post Posted March 21, 2017 Yep +1 on Joe @ EuroSurgeon, he did Bluetooth and iPod interface on my E61 550i and it works well. I already had NZ Satnav from dealer but I could use a newer maps DVD (I guess I need to talk to Joe). Re performance, I agree about the tune, possibly not a lot to gain, if anything, if local tuners like Gavin aren't playing with them much. The N62B48 headers look ok to me and not much space to do much with in there. Most people seem to just do cat back exhausts, for sound as much as anything. One thing I've found annoying is the ultra sleepy throttle response (for economy) when not in sport mode and a lot of guys put interceptor modules on the drive by wire to sharpen it up - like Pedal Booster or Sprint Booster. It'd feel great but you'd probably end up using heaps of gas. Quote Share this post Link to post Share on other sites
hybrid 1045 Report post Posted March 23, 2017 You can remap the throttle angle curve, reduce some of the antishake and torque limiting which gives you more perceived performance from the engine. Gains can be had twiddling with the vanos maps as well as a slight increase to the ignition advance and reduced fueling. As others say, supporting mods first with help the top end a little. But you big gains are from vanos. You need a tip top cooling system however. Quote Share this post Link to post Share on other sites
550i 1 Report post Posted March 31, 2017 Shame those sprint booster modules are so expensive I wonder what it would cost to get the computer remapped I'd assume it would be even more. I don't think my 550i has a sport mode can shift it to manually of course well tiptronic. Quote Share this post Link to post Share on other sites
Family Wagon 23 Report post Posted April 2, 2017 When you move your shifter to the left into manual mode that puts it in sport mode. It should say DS in your dash display, and it'll be sport auto. That makes it hold gears for longer (and keeps it out of 6th gear), quicker kick down and throttle response and seems to sharpen steering. If you're manually shifting it stays in sport mode but locked in whatever gear you pick. My E61 has active steering option so I'm not sure if that increases sport mode effect on steering. 1 Quote Share this post Link to post Share on other sites
Joseph Wright 0 Report post Posted February 1 (edited) Looking for someone who can give my 2007 BMW 550i station wagon a honest once over to see if i should just get my money back or if it worth what i paid? As far as I know all that's been done to it is that it has been given extractors and maybe the muffler taken off but does look like a bit of a weird setup like the middle part of the exhaust is original but from the extractors to the middle is new and from after the middle to the tip is new, the boot struggles when lifting and needs a gentle bit of help to open and close and the sun roof is also not working and is just slightly open and therefore allows water to get into the car down the inside of the roof lining and then drips over the fuses etc? I have been told that it has a new gearbox installed by BMW and all the radiator piping etc has been replaced. I paid 9500 Edited February 1 by Joseph Wright Quote Share this post Link to post Share on other sites
