will it work for a 2002 honda accord?

The seller doesn't know what they are talking about, a 2002 Honda Accord is obd2 so it would work perfectly fine with it.

Does it provide real time automatic transmission fluid temperature?

No, it doesn't. It is for Engine System. 1. ANCEL BD310 OBD2 scanner can display RPM/VSS speed, ECT temperature, MAF, TP, Spark DV, LOAD PCT, IAT, VPWR etc vehicle engine data. More data stream depends on what's the vehicle configuration. Normal vehicle code reader just can read volts, rpm, temperature, speed etc. 2. ANCEL BD310 can do trip management, this diagnostic tool can record driving time and distance, analyze driving habits, alert the driver and redress bad driving habits. For example, show the highest speed and RPM, hypervelocity, rapid braking etc data. But other normal vehicle code reader can't do this. 3. ANCEL BD310 vehicle code reader can do Performance Test, Support test vehicle accelerating ability, brake distance levels, display PID data in a graph, creat report text. But other normal vehicle code reader can't do this.

Will this read live engine & etc data on 2018 rav4, I need to check transmission temperature to check fluid level correctly.

Yes, it will. But it doesn't support transmission system.

Compatible with 2003 bmw z4?

I don't know the answer for sure but it should be compatable with any car with the proper port.

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BD310 OBD2 Scanner Bluetooth - OBD2 Scanner Diagnostic Tool for Car - App Based OBDII Scan Tool for Android & iPhone - Check Engine Light Vehicle Code Reader

Product ID: 261717534

Details

Brand
ANCEL
Operating system
Windows XP
Power source
Battery
Product dimensions
5.1L x 2.5W x
Screen size
2 Inches

📊Real-time engine data graphing & trip analysis

📱Bluetooth 5.0 wireless app connectivity

🔋Battery & voltage max/min/flameout detection

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€ 206.26

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Decode your car’s secrets like a pro—anytime, anywhere!

PLUG PLAY SIMPLICITY - Instantly diagnose with a clear 2-inch screen—no tech degree needed.
TRIPLE MODE VERSATILITY - Use handheld, Bluetooth to phone/tablet, or as a HUD display with magnetic mount.
COMPREHENSIVE OBDII COVERAGE - Read & clear all fault codes, run advanced tests, and generate detailed diagnostic reports.
DRIVE SMARTER WITH TRIP ANALYSIS - Track driving habits, get safety reminders, and optimize your vehicle’s performance.
SMART BATTERY PERFORMANCE TESTS - Monitor battery health, acceleration, braking, and engine stats in real time.

The ANCEL BD310 is a professional-grade Bluetooth OBD2 scanner compatible with 98%+ of OBDII vehicles. Featuring a crisp 2-inch display and wireless Bluetooth 5.0 connectivity, it offers real-time engine data monitoring, comprehensive fault code reading/clearing, battery and performance testing, and trip analysis. Its multifunctional design supports handheld use, mobile app integration, and HUD display mounting, empowering both DIYers and pros to save time and money on diagnostics.

Specifications

ASIN	B07J51W9NS
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#32,392 in Automotive ( See Top 100 in Automotive ) #134 in Automotive OBD-II Engine System Diagnostic Tools
Brand Name	ANCEL
Customer Reviews	4.3 4.3 out of 5 stars (1,436)
Item Dimensions L x W x H	5.1L x 2.5W x 12.7H centimeters
Item Weight	80 Grams
Manufacturer	ANCEL
Manufacturer Part Number	BD310
Model Number	BD310
Native Resolution	2.0 inch （240×320pixel ）
Operating System	Windows XP
Power Source	Battery Powered
Screen Size	2 Inches

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 206.26

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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