Modified BM54 Review: This is a small review for the Modded BM54 as supplied by xkalibar (Baris). Device: Faulty BM54, 2003 made by alpine, 40pin Quadlock. History: I had an old bm54 radio module that had a fault (high pitched squeal) I’d tried to fix it by doing the RCA mod on it, however this did not fix it so I just left it to gather dust and was going to bin it. I had a word with Baris and asked him if it were possible to fix it and he said he’d have a look (but no promises). So I sent him off the unit and thought there goes nothing, lol. He got back to me a few days later explain what the problem was and that he could fix it and that it would be back with me a few days, he said he’d done the amps and tried a firmware patch (that we had been talking about ages ago). So, it turns up and I do a quick visual check, all good, have a quick look inside (I’m nosey like that), and talk about impressed, my soldering can be good, but this was very neat and tidy, the amps and heatsink are all nicely presented, the cable runs are lovely and it all fits inside very nicely indeed, so far so good, well impressed, soldering to the main board can be tricky but its all been done to a high standard, as OEM. Went to the car and took my working BM54 out and installed the “new” one, as you would expect it all fits as OEM, and is plug and play. I powered the car up and selected the radio, did the auto scan (for all radio stations), and this took a few goes, but eventually it found all the station, The sounds did not sound all the different on the radio as the source is not great (FM is not full range). I then setup the TMC and RDS, double checked the radio service menu and saw that it was running the latest version of firmware. To test this I selected the cd changer (now my IV and ipod) and saw TR instead of CD, so the firmware is indeed updated, this will allow audiotext on screen for OEM (2005) mp3 cd changer s and allow TMC Dynamic Routing, which is a very nice feature to have (no more dicking around in the TMC menu), it just pops up on screen now, even when not being routed. Now Sound wise, I have a upgraded system of Rainbow comps up front, Alpine 3 way rears, Alpine 4 channel amp with Sub out and a Kenwood Sub system, so it was pretty good before. However, the change in the system is very good indeed, it’s quite hard to explain, there is just more quality to the sound, more bass, more mids, crystal clear highs and a shed load of depth, a richer fuller sound all round, and no more need for max bass settings (in the tone menu). It’s like a loudness button being pressed and giving you more… I’ve loaded up a playlist of tracks that really do sound sweet (with loads of variation) to see how it performs and I have to say it really does sound very good indeed even from low volumes, and no distortion at all, even at the top end of the volume (I blew the 30amp fuse on the alpine amp!!! while testing the upper volume range). Price: I won’t put the price up but let’s just say it was cheaper than buying another BM54 of ebay (and taking a chance). Conclusion: If you like your sounds, I’d recommend the amp upgrade, it’s worth the money, the firmware update is a nice touch too. Also, If you have a faulty BM54, then in all honesty it’s a no brainer. It's so good, I'm getting my new spare done as well (as a backup). -- BTW, I don't work for Baris or have any business dealings with him other than normal buying/selling stuff.