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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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ANCEL BD310 Bluetooth OBD2 Scanner, 2-in-1 Car Diagnostic Scan Tool & Code Reader with App, Battery Test, Trip Analysis, Performance Test, for iPhone & Android, All 1996+ Vehicles

ANCEL BD310 Bluetooth OBD2 Scanner, 2-in-1 Car Diagnostic Scan Tool & Code Reader with App, Battery Test, Trip Analysis, Performance Test, for iPhone & Android, All 1996+ Vehicles

Product ID: 86444565

Details

Brand
ANCEL
Power Source
Corded
Product Dimensions
2"L x 1"W x
Screen Size
2 inches

📱Bluetooth app connectivity & diagnostics

🔋Real-time battery health monitoring

🚗Compatible with all 1996+ OBD2 vehicles

€ 102.51

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚦 Drive smarter, diagnose faster, avoid costly surprises!

DUAL WIRED BLUETOOTH MODES - Seamlessly switch between reliable wired scanning and wireless app diagnostics for ultimate convenience.
PRE INSPECTION EMISSIONS READY - Run I/M readiness and emissions tests at home to breeze through smog checks without wasted trips.
CUSTOMIZABLE HUD LIVE DATA DISPLAY - Project real-time speed, RPM, and voltage on your windshield or phone for a futuristic, connected driving experience.
COMPREHENSIVE VEHICLE HEALTH TRACKING - Monitor battery voltage, coolant temp, acceleration, and braking with smart trip analysis to optimize your driving.
DECODE CLEAR ENGINE CODES INSTANTLY - Understand check engine lights with plain-English explanations and clear codes yourself—no more surprise repair bills.

The ANCEL BD310 is a compact 2-in-1 OBD2 scanner combining wired reliability with Bluetooth app convenience. Compatible with all 1996+ vehicles, it reads and clears engine codes, monitors battery health, analyzes trips, and supports emissions readiness checks. Featuring a customizable HUD display and free lifetime app updates, it empowers DIY drivers to maintain peak vehicle performance and avoid unnecessary repair costs.

Specifications

ASIN	B07J51W9NS
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#8,269 in Automotive ( See Top 100 in Automotive ) #50 in Code Readers & Scan Tools
Brand Name	ANCEL
Customer Reviews	4.4 4.4 out of 5 stars (1,548)
Item Dimensions L x W x H	2"L x 1"W x 5"H
Item Weight	80 g
Manufacturer	ANCEL
Manufacturer Part Number	BD310
Manufacturer Warranty Description	1 YEAR
Model Number	BD310
Native Resolution	2.0 inch （240×320pixel ）
Operating System	windows 7/8/10 ， If you cannot download the APP from the Google Play Store, please go to our official website (https://www.
Power Source	Corded Electric
Screen Size	2 inches

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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