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  1. Jimmy Brooks

    Undoing a tune - do I need a new ECM?

    I’m not an expert on this but if you have a factory ECM you should be able to reflash it. If it’s an aftermarket clone then you’ll probably need to replace it. I don’t believe these ECMs are locked like modern day BMWs and other brands so it should be the factory one and you should be able to...
  2. Jimmy Brooks

    P0106 MAP and AC RPM

    Any ambient temperature over 85° will start to raise the rpm’s at idle to help the compressor keep up with the heat. At 85-87° it’ll usually go to 8-1k rpm and anything over 87°+ it’ll idle at 1150 rpm. This helps the compressor keep up and since this car runs a viscous fan (driven by the engine...
  3. Jimmy Brooks

    2010 LR4 5.0 V8 intermittent driver-side ticking — exhaust leak?

    Replaced my fan last year, because it caused 2 compressors to die on me. No difference in noise.
  4. Jimmy Brooks

    2010 LR4 5.0 V8 intermittent driver-side ticking — exhaust leak?

    I found one of the spacers that sits in between the exhaust manifold heat sheet and the manifold itself wedged in between the heat shield where the connection to the manifold and the cats sit. The only way that could’ve ended up there is if I bolt sheared/snapped off so I know that it definitely...
  5. Jimmy Brooks

    2010 LR4 5.0 V8 intermittent driver-side ticking — exhaust leak?

    Mine has made that noise for a long time, I think since 120-130k. I’m at 161k now. It usually goes away after driving the car but as soon as I turn it off and back on again it’s back. I used to tell myself that it wasn’t timing chain but I’m pretty convinced that it is. I know mine has an...
  6. Jimmy Brooks

    Thermostat to water pump outlet connector

    Hey all, just discovered that the little elbow piece is leaking on our D5. It’s not broken but the water pump was replaced about a year or 2 ago so I assume that O-ring is tired. For those who have installed the brass elbow piece could you link the exact one you bought? Just want to make sure I...
  7. Jimmy Brooks

    Rear high mount taillight replacement NOT the worst..

    The drips are from the tail light. Check your valve covers for leaks. It’s probably oil burning off the exhaust manifold when they get really hot, the smell is most noticeable after spirited driving. Sometimes you’ll see smoking if it gets really bad. Mine does it pretty badly I’m doing mine...
  8. Jimmy Brooks

    Rear high mount taillight replacement NOT the worst..

    Mine leaks a bit into the cabin during very heavy rain I’ll probably try to reseal it before I replace it
  9. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    Just finished replacing both front struts. The noise is gone. When I pulled the struts out both had play, the passenger much more than the driverside. New BWIs in, they’re nice. The job isn’t the easiest, but not the most difficult. Access to the top mount bolts are difficult, had to use my...
  10. Jimmy Brooks

    Smart Key Not found - Solution

    So did a bit more digging today. The car recognizes the module and can read it. The module itself still shows 0 codes stored. I cleared the BCM codes and nothing has come back. It will still only start when the key is under the steering wheel. When I ask it how many valid keys it says 2 valid...
  11. Jimmy Brooks

    Smart Key Not found - Solution

    So do we think I’m looking at a new module?
  12. Jimmy Brooks

    Smart Key Not found - Solution

    Hey all, having some trouble. Today in a parking lot I wanted to plug my IID tool in to get some temperature readings since it was hot today. Some of the pins in my OBD-II port are a bit janky so sometimes when I plug it in it’ll say N/A on live values so I’ll have to unplug it and re plug it...
  13. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    Worked like a charm except I used a slightly different one. https://a.co/d/08TQtKVK Make sure to screw the ball joint bold down to the contact point when you’re popping it out so you get more surface area.
  14. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    It wasn’t the LCAs… so many words I want to say but can’t, that job is a pita and I’d be lying if I said I wasn’t pi$$ed off that my rover still sounds like the wheel is about to fall off over any minor change in the road. Going to get it up in the air again tomorrow and make sure that nothing...
  15. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    Ordered, thanks!
  16. Jimmy Brooks

    IID GAP as general code reader

    As long as it’s compatible with the car you should be able to use it as a regular code reader.
  17. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    as I’m gearing up to do this job in the next 2 weeks I’ve decided to update this forum with what I’m planning on doing. So after more driving and little bits of investigation I’m 90% sure that the noise I’m hearing is the control arm hitting the frame. Additionally, I can actually see a contact...
  18. Jimmy Brooks

    Tracking down suspension leak

    if you really think its the fitting i would try tightening it first. had a D5 that would sag on one side and ultimately take the other side with it. found that the brass fitting was leaking, tightened it and boom, no more leak.
  19. Jimmy Brooks

    Wind, trees, alpine roof...oh my

    So bmw makes 2 straight 6 engines right now. They make the B58 (engine in all the 40i models) and the S58 which is in their M cars. The B58 has a twin scroll turbo, the S58 has a proper twin turbo. The B58 (although similar in many aspects) which is in the grenadier, is not the same as the S58...
  20. Jimmy Brooks

    Wind, trees, alpine roof...oh my

    Yeah it’s in the M340 right now which has 386 hp and 398 lb ft of torque so if it has the same turbo charger and the same hpfp then with an ecu tune it should make the same (or more) power. Now I’m actually if anyone has tried.
  21. Jimmy Brooks

    Wind, trees, alpine roof...oh my

    Wonder if anyone has tuned one… not sure if the turbo charger is smaller on the grenadier but it’s got the B58 so it’s got a lot of potential in stock form
  22. Jimmy Brooks

    Wind, trees, alpine roof...oh my

    That’s a funny photo. Sorry about the unfortunate acts of god.
  23. Jimmy Brooks

    Help Identify This Noise

    I think there’s a good chance it’s an idler pulley
  24. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    I’ve used arnott struts in the front for the past 60k miles. I will give credit where it’s due, they’ve been great for matching up the OEM ride quality but clearly they didn’t stand the test of time. I haven’t been easy on these. I’ve done a fair amount of rough off-roading on these and I don’t...
  25. Jimmy Brooks

    Suspension noise (possibly lower control arm)

    So I did a bit more digging and decided that if it really was that bushing I could icolate it by lowering the suspension with the IID too and then putting it in access high to minimize movement in the actual strut itself and when I drove over the same bumps it barely made the noise. Put it back...

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